Download Where do schistosomes lay fertilized eggs? A. bronchial tubes B

Where do schistosomes lay fertilized eggs?
A. bronchial tubes
B. intestine
C. muscles
D. bile duct
E. blood vessels
ANSWER: E
What is infective stage of Enterobius vermicularis for human?
A. miracidium
B. cercaria
C. redia
D. cystisercus
E. an egg
ANSWER: E
What are the organs through over Ascaris lumbricoides larvae do not migrate?
A. lungs
B. liver
C. heart
D. pharynx
E. brain
ANSWER: E
What is the diagnostic stage of Trichuris trichiura?
A. cystisercus
B. oncosphere
C. redia
D. gravid proglottid
E. an egg
ANSWER: E
Indicate the diseases, which can be treated by drugs:
A. Ascariasis
B. Enterobiasis
C. Taeniasis solium
D. Diphyllobotriasis
E. All of these
ANSWER: E
In what time do Ascaris lumbricoides eggs become invasive?
A. 4 - 6 hours
B. 7 days
C. an hour
D. 3-5 month
E. 24 days
ANSWER: E
At what time do Enterobius vermicularis eggs become invasive?
A. 24 days
B. 7 days
C. an hour
D. 3-5 month
E. 4 - 6 hours
ANSWER: E
The larvae were found during the sputum microscopy of one patient with pneumonia, blood
analysis had shown an eosinophilia. Indicate the most probable diagnosis?
A. Enterobiasis
B. Trichuriasis
C. Cysticercosis
D. Diphyllobotriasis
E. Ascariasis
ANSWER: E
Ascariasis was diagnosed in 8-years old child. Is this child epidemically dangerous for other
members of the family?
A. yes, because child spreads embryonated eggs
B. no, because child spreads mature eggs
C. yes, because child can pass larva to the other members of the family
D. both A and D
E. no, because child spreads unembryonated eggs
ANSWER: E
What animals does the life cycle of Clonorchis with asexual reproduction involve?
A. cattle and snail
B. pig and fish
C. fish and ant
D. crab and snail
E. snail and fish
ANSWER: E
The eggs (oval with an irregular surface) were found during the feces microscopy of one patient
with nausea, vomiting, blood analysis had shown an eosinophilia. Indicate the most probable
diagnosis.
A. Trichuriasis
B. Enterobiasis
C. Cysticercosis
D. Dicrocoeliasis
E. Ascariasis
ANSWER: E
The eggs (brovn, barrel-shaped with a plug at each end) were found during the feces microscopy
of one patient with diarrhea, abdominal pain, nausea. Indicate the most probable diagnosis.
A. Enterobiasis
B. Ascariasis
C. Cysticercosis
D. Diphyllobotriasis
E. Trichuriasis
ANSWER: E
One patient was admitted to the hospital with a previous diagnosis “enterobiasis”. What method
should be performed for laboratory examination?
A. blood microscopy
B. urine microscopy
C. feces microscopy
D. examination of the cerebrospinal fluid
E. “scotch tape” technique
ANSWER: E
Indicate the invasive stage of Fasciola Hepatica for humans.
A. metacercariae
B. an egg
C. cercariae
D. cysticercus
E. adolescariae
ANSWER: E
What species of Nematodes is biohelminth?
A. Ancylostoma duodenale
B. Strongyloides stercoralis
C. Necator americanus
D. Ascaris lumbricoides
E. Trichinella spiralis
ANSWER: E
Indicate the helminth of class Nematoda which life cycle does not have migration of larvae.
A. Ascaris lumbricoides
B. Strongyloides stercoralis
C. Ancylostoma duodenale
D. Necator americanus
E. Trichuris trichiura
ANSWER: E
What kind of helminthiasis is characterized by the development of hematuria, terminal disuria,
obstructed urine flow?
A. fascioliasis
B. paragonimiasis
C. shistosomiasis japonicum
D. dicrocoeliasis
E. shistosomiasis haematobium
ANSWER: E
Which stage of Ancylostoma duodenale is invasive for humans?
A. an egg
B. rhabditiform larva
C. adult worm
D. encapsulated larva
E. filariform larva
ANSWER: E
What is the mode of transmission of hookworm infection?
A. sexual
B. ingestion contaminated crabs
C. ingestion contaminated snail
D. by blood
E. penetration of skin by larvae
ANSWER: E
What investigations must be performed to confirm a diagnosis of trichinosis?
A. Microscopy of patient’s blood smears
B. Microscopy of patient’s liver cells
C. Microscopy of patient’s
faeces
D. None
E. Serologic test, muscle biopsy
ANSWER: E
Indicate the invasive stage of Strongyloides stercoralis for humans.
A. rhabditiform larva
B. egg
C. cercariae
D. metacercariae
E. filariform larva
ANSWER: E
Indicate the invasive stage of Fasciola Hepatica for humans.
A. metacercariae
B. an egg
C. cercariae
D. cysticercus
E. adolescariae
ANSWER: E
A patient was admitted to the hospital and complained of muscle pain, fever, per orbital edema.
This patient ate undercooked pork some time before illness. Blood analysis had shown an
eosinophilia. What is the most probable diagnosis?
A. Ascariasis
B. Trichuriasis
C. Strongyloidiasis
D. hookworm infection
E. Trichinosis
ANSWER: E
Which stage of Dicrocoelium lanceatum is invasive for humans?
A. an egg
B. adolescariae
C. cercariae
D. adult worm
E. metacercariae
ANSWER: E
Indicate the infective stage of Strongyloides stercoralis for humans:
A. rhabditiform larva
B. egg
C. cercariae
D. gravid proglottid
E. filariform larva
ANSWER: E
Indicate the localization of Trichinella spiralis larvae in human organism.
A. small intestine
B. large intestine
C. lungs
D. liver
E. striated muscles
ANSWER: E
What is the mode of transmission of strongyloidiasis?
A. sexual
B. ingestion contaminated crabs
C. ingestion contaminated snail
D. by blood
E. penetration of skin by larvae
ANSWER: E
Indicate the localization of Trichinella spiralis adult worms in human organism.
A. large intestine
B. striated muscles
C. lungs
D. liver
E. small intestine
ANSWER: E
What is mode of transmission of schistosomiasis?
A. by eating contaminated crabs
B. by eating contaminated snail
C. by eating contaminated pork
D. by eating contaminated fish
E. penetration of skin
ANSWER: E
A family has a cat with opisthorchiasis. Can children be infected from this cat?
A. yes, by fascioliasis
B. yes, by paragonimiasis
C. yes, by shistosomiasis
D. yes, by opisthorchiasis
E. no, because infective stage for humans is metacercariae
ANSWER: E
What investigations must be performed to confirm a diagnosis of filariasis?
A. Microscopy of patient’s liver cells
B. Biopsy of the affected skin
C. Serologic test, muscle biopsy
D. Clinically by finding the head of the worm in the skin ulcer
E. Microscopy of patient’s blood smears, taken from patient at night
ANSWER: E
What parts of the human body are usually not infected by itch mite?
A. flexor surfaces of wrists and forearms
B. armpits
C. groin and genitals
D. interdigital spaces
E. head
ANSWER: E
A man, who came from Far East, passed a medical examination. Eggs (0,1 mm, oval, goldenbrownish, operculated) were found in sputum. Indicate the most probable diagnosis.
A. fascioliasis
B. chlonorchiasis
C. shistosomiasis
D. dicrocoeloasis
E. paragonimiasis
ANSWER: E
Mites and ticks differ from other arachnids by having ...
A. mandibles
B. two pairs of antennae
C. two pairs of legs
D. All of the above
E. a fused cephalotorax and abdomen
ANSWER: E
Indicate the place of scorpion’s poisonous glands location:
A. cephalothorax
B. distal end of pedipalp
C. close to base of chelicerae
D. All of the above
E. last segment of the abdomen
ANSWER: E
Name a species which lives in the hair follicles and wax glands of the human forehead, nose, and
chin, but usually cause no symptoms:
A. Sarcoptes scabiei
B. Ornithodorus papillipes
C. Acarus siro
D. Ixodes persulcatus
E. Desmodex folliculorum
ANSWER: E
Indicate the place of spider’s poisonous glands location:
A. distal end of pedipalp
B. the last segment of the abdomen
C. the middle segment of abdomen
D. All of the above
E. close to base of chelicerae
ANSWER: E
A man eat an undercooked beef (liver contained fascioles). Can this person be infected?
A. yes, by fascioliasis
B. yes, by paragonimiasis
C. yes, by shistosomiasis japonicum
D. yes, by opisthorchiasis
E. no, because infective stage for humans is metacercariae
ANSWER: E
What is mode of transmission of dicrocoeliasis?
A. penetration of skin
B. ingestion contaminated crabs
C. ingestion contaminated snail
D. ingestion contaminated fish
E. by eating plants with the ants
ANSWER: E
What parts of the human body are usually infected by itch mite?
A. flexor surfaces of wrists and forearms
B. armpits
C. groin and genitals
D. interdigital spaces
E. All of the above
ANSWER: E
Indicate the medically important orders of Class Insecta:
A. Anoplura
B. Hemiptera
C. Diptera
D. Siphonaptera
E. All of the above
ANSWER: E
Which insects are representatives of order Anoplura:
A. termites
B. fleas
C. ants
D. mosquitoes
E. lice
ANSWER: E
A man, who came from Africa, passed a medical examination. Eggs with lateral spine were
found in feces. Indicate the most probable diagnosis.
A. fascioliasis
B. paragonimiasis
C. chlonorchiasis
D. opisthorchiasis
E. shistosomiasis
ANSWER: E
How would you characterize the medical importance of Fleas?
A. either temporary or permanent ectoparasites
B. causative agent of pediculosis
C. mechanical transmitters of protozoan infections
D. non of the above
E. vector of plague caused by Yersinia pestis
ANSWER: E
What is the vector of Chagas’ disease?
A. Glossina palpalis
B. sandfly of genus Phlebotomus
C. deer fly (Chrysops)
D. mosquito Anopheles and Culex
E. bug species of family Triatomidae
ANSWER: E
The immature form of an insect that undergoes incomplete metamorphosis is a
A. larva
B. pupa
C. caterpillar
D. both A and B
E. nymph
ANSWER: E
What kind of helminthiasis is characterised by the development of anemia?
A. Teniasis solium
B. Cysticercosis
C. Taeniasis saginata
D. Fascioliasis
E. Diphyllobothriasis
ANSWER: E
Indicate the representatives of Order Hemiptera.
A. Fleas
B. Ants
C. Mosquitoes
D. Lice
E. Bugs
ANSWER: E
What is prevention of pediculosis?
A. cleanliness and sweeping of dust from floor and carpets
B. involves protection from reduviid bite
C. involves protection from mosquito bite
D. mosquito nets
E. regular body washing with simultaneous change of linen, personal hygiene
ANSWER: E
Which cestode causes cysticercosis?
A. Taenia saginata
B. Diphyllobotrium latum
C. Fasciola hepatica
D. Echinococcus multilocularis
E. Taenia solium
ANSWER: E
In which geographic area does sleeping sickness primarily occur?
A. America
B. Europe
C. Asia
D. Australia
E. Equatorial Africa
ANSWER: E
Indicate mode by which nonbloodsucking flies transmit diseases.
A. Direct mechanical
B. Biologic
C. Hereditary
D. All of the above
E. Indirect mechanical
ANSWER: E
What is the characteristic feature of gravid proglottid of Taenia solium?
A. 17 -35 uterine branches
B. bilobed ovary
C. trilobed ovary
D. gravid uterus is in the form of rosette
E. 7 -12 uterine branches
ANSWER: E
Indicate mode by which bloodsucking flies transmit diseases to humans.
A. Indirect mechanical
B. Direct mechanical
C. Biologic
D. Hereditary
E. Both direct and indirect mechanical
ANSWER: E
Indicate the invasive stage of Taenia saginata for humans.
A. an egg
B. hydatid cysts
C. gravid proglottid
D. metacercariae
E. cysticercus
ANSWER: E
Order Diptera is characterized by having:
A. 1 pair of wings
B. 3 pairs of wings
C. Mouthparts are sucking or piercing and sucking
D. both B and D
E. 2 pairs of wings
ANSWER: E
What disease can be transmitted by Glossina palpallis and Glossina morsitans?
A. American trypanosomiasis
B. Leishmaniasis
C. Tularemia
D. Onchocerciasis
E. African trypanosomiasis
ANSWER: E
What is the distinguishing feature of immature proglottid of Taenia solium?
A. 17 -35 uterine branches
B. 7 -12 uterine branches
C. bilobed ovary
D. gravid uterus is in the form of rosette
E. trilobed ovary
ANSWER: E
What is the vector for Leishmania species?
A. Black fly
B. Buffalo gnat
C. Deer fly
D. Mosquito Anopheles
E. Sandfly
ANSWER: E
What is a myiasis?
A. Myiasis - infestation by larvae of flies.
B. Myiasis - infestation by larvae of mosquitoes.
C. Myiasis - invasion of man’s body by representatives of Order Anoplura
D. All of the above
E. Myiasis - invasion or infestation of man’s body and/or tissues by Diptera larvae.
ANSWER: E
What is the distinguishing feature of gravid proglottid of Diphyllobotrium latum?
A. 17 -35 uterine branches
B. 7 -12 uterine branches
C. bilobed ovary
D. trilobed ovary
E. gravid uterus is in the form of rosette
ANSWER: E
Name modes by which arthropods transmit disease.
A. indirect mechanical
B. direct mechanical
C. biologic
D. hereditary
E. all of the above
ANSWER: E
What is the characteristic feature of gravid proglottid of Taenia saginata ?
A. 7 -12 uterine branches
B. bilobed ovary
C. trilobed ovary
D. gravid uterus is in the form of rosette
E. 17 -35 uterine branches
ANSWER: E
An ecosystems includes:
A. all the members of the species
B. all parts of the earth where life exists
C. all members of a species in the same area
D. all of the above
E. the living and nonliving factors in an environment
ANSWER: E
What is the distinguishing feature of scolex of Taenia solium?
A. scolex with 4 suckers but no hooklets
B. scolex with 2 elongated sucking grooves
C. scolex without organs of fixation
D. both B and C
E. scolex with 4 suckers and circle of hooks
ANSWER: E
How many % of the energy are incorporated into the tissues of the next level:
A. 1%
B. 100 %
C. 0%
D. 20%
E. 10 %
ANSWER: E
Indicate invasive stage of Diphyllobotrium latum for crustaceans.
A. cysticercus
B. procercoid
C. plerocercoid
D. metacercariae
E. coracidium
ANSWER: E
The biosphere includes:
A. all the members of the species
B. the living and nonliving factors in an environment
C. all members of a species in the same area
D. all of the above
E. all parts of the earth where life exists
ANSWER: E
Consider the components of a food chain: producers > herbivores > carnivores > top carnivores.
Eventually what happens to all the energy passed from one element to the next?
A. It recycles back to the producers
B. It results is a much larger decomposer population
C. It is recaptured by another food chain
D. Both A and B
E. It is dissipated into the environment
ANSWER: E
Which statement is true concerning this food chain: grass > rabbits > snakes > hawks?
A. Each predator population has a greater biomass than its prey population
B. Each population is omnivorous
C. Both A and C
D. All of the above
E. Each prey population has a greater biomass than its predator population
ANSWER: E
The life cycle of Taenia solium involves asexual reproduction in ...
A. snail
B. crab
C. fish
D. cattle
E. pig
ANSWER: E
The greatest amount of energy in an ecosystem is available to:
A. Primary consumers
B. Secondary consumers
C. Decomposers
D. all of the above
E. Producers
ANSWER: E
The life cycle of Taenia saginata involves asexual reproduction in ...
A. snail
B. crab
C. pig
D. fish
E. cattle
ANSWER: E
The life cycle of Diphyllobotrium latum involves asexual reproduction in ...
A. snail
B. crab
C. pig
D. cattle
E. fish
ANSWER: E
Abiotic factors in an ecosystem can include ...
A. plants
B. animals
C. microorganisms
D. bacteria
E. sunlight
ANSWER: E
How many segments does strobila of Echinococcus granulosus have?
A. 6- 8
B. 100
C. more than 100
D. 200-300
E. 3- 5
ANSWER: E
An interaction between two species in which one species benefits while the other is neither
harmed or helped is called...
A. parasitism
B. mutualism
C. mimicry
D. cooperation
E. commensalism
ANSWER: E
Indicate the infective stage of E.granulosus for humans.
A. hydatid cysts
B. oncosphere
C. gravid proglottid
D. cysticercus
E. an egg
ANSWER: E
Autoinvasion is characteristic for ...
A. Echinococcus granulosus
B. Echinococcus multilocularis
C. Taenia saginata
D. Diphyllobotrium latum
E. Hymenolepis nana
ANSWER: E
How is a first-order consumer like a second-order consumer?
A. Both pass on the same amount of energy to the next trophic level
B. Both tend to be herbivores that produce nutrients for plants
C. Both are able to convert organic compounds to ATP without the loss of energy
D. All of these
E. Both pass on less energy to the next tropic level than they received
ANSWER: E
The life cycle of Echinococcus granulosus involves sexual reproduction in ...
A. crab
B. pig
C. fish
D. cattle
E. dog
ANSWER: E
Which cestode can cause Unilocular Hydatid Cyst Diseases?
A. Taenia solium
B. Echinococcus multilocularis
C. Diphyllobotrium latum
D. Taenia saginata
E. Echinococcus granulosus
ANSWER: E
What is the way of transmission of amoebiasis?
A. sexual
B. by bite of Anopheles mosquito
C. by bite of bug species (family Triatomidae)
D. by bite of sandfly (genus Phlebotomus)
E. alimentary
ANSWER: E
What stage in life cycle of Entamoeba histolytica is pathogenic for human?
A. forma minuta
B. mature cyst
C. immature cyst
D. all of these
E. forma magna
ANSWER: E
Indicate the way of reproduction of Entamoeba histolytica?
A. endogony
B. shizogony
C. sporogony
D. conjugation
E. binary fission
ANSWER: E
What stage in life cycle of Entamoeba histolytica is commensal for human?
A. forma magna
B. cyst
C. pathogenic form
D. tissue form
E. forma minuta
ANSWER: E
What type of host is man in the life cycle of Plasmodium malariae?
A. Definitive host
B. Reservoir host
C. Facultative host
D. all of these
E. Intermediate host
ANSWER: E
What type of host is man in the life cycle of Toxoplasma gondii?
A. Definitive host
B. Reservoir host
C. noone of these
D. all of these
E. Intermediate host
ANSWER: E
One patient was admitted to the hospital with a suggested diagnosis “malaria”. Which material
should be taken for laboratory examination?
A. urine
B. feces
C. material from breast bone puncture
D. material from lymph node puncture
E. blood
ANSWER: E
A child with multiple abnormalities of development was born. Examination of the family
members has not found a hereditary pathology: karyotypes of the parents and the child are
normal. What protozoan disease could cause such abnormalities of development?
A. Amoeba
B. Volvox
C. Plasmodium
D. Trypanosoma brucei
E. Toxoplasma gondii
ANSWER: E
A fever has developed in a patient two weeks after blood transfusion. What protozoan disease
should be considered?
A. Amoebiasis
B. Toxoplasmosis
C. Balantidiasis
D. Lambliosis
E. Malaria
ANSWER: E
What investigations must be performed to confirm a diagnosis of malaria?
A. Microscopy of patient’s liver cells
B. Biological tests with susceptible animals
C. Serology of cerebrospinal fluid.
D. both B and C
E. Microscopy of patient’s blood smears
ANSWER: E
What is infective stage of Plasmodium for human?
A. young trophozoites
B. mature schizonts
C. gametocytes
D. growing trophozoites
E. sporozoites
ANSWER: E
What is infective stage of Plasmodium for mosquito?
A. young trophozoites
B. sporozoites
C. mature schizonts
D. merozoites
E. gametocytes
ANSWER: E
Which types of locomotor organelles does lamblia have?
A. cilia
B. pseudopodia
C. no locomotor organelles
D. both A and C
E. flagella
ANSWER: E
Which Plasmodium species can cause “blackwater fever”?
A. Plasmodium vivax
B. Plasmodium malariae
C. Plasmodium ovale
D. All of these
E. Plasmodium falciparum
ANSWER: E
Smears from the skin ulcer of a patient with the initial diagnosis of cutaneous leishmaniasis have
been taken. Which protozoa could be found in these smears?
A. Trypanosoma cruzi
B. Trypanosoma b.gambiense
C. Lamblia intestinalis
D. Leishmania donovani
E. Leishmania tropica minor
ANSWER: E
One patient was admitted to the hospital with a suggested diagnosis Urogenital trichomoniasis.
Which material should be taken for laboratory examination ?
A. the cerebrospinal fluid and blood
B. urine
C. feces
D. duodenal contents
E. vaginal fluid
ANSWER: E
Antelope has been brought to the Ukrainian zoo. Trypanosomes have been found in its blood
smears. What prophylactics measures shoud be performed?
A. isolation of animal
B. extermination of animal
C. boiling of water
D. both A and C
E. any prophylactics measures
ANSWER: E
One patient was admitted to the hospital with a suggested diagnosis "sleeping sickness". Which
material should be taken for laboratory examination?
A. duodenal contents
B. urine
C. feces
D. material from breastbone puncture
E. cerebrospinal fluid and matherial obtained by puncture of the enlarged lymph nodes
ANSWER: E
What is causative agent of Kala-asar?
A. Trypanosoma cruzi
B. Trypanosoma b.gambiense
C. Lamblia intestinalis
D. Leishmania tropica minor
E. Leishmania donovani
ANSWER: E
Which types of locomotor organelles does Balantidium coli have?
A. pseudopodia
B. flagella
C. no locomotor organelles
D. 4 flagella
E. cilia
ANSWER: E
Indicate the ways of reprodaction of Balantidium coli?
A. endogony
B. shizogony
C. sporogony
D. copulation
E. binary fission
ANSWER: E
What is the way of transmission of balantidiasis?
A. sexual
B. by bite of Anopheles mosquito
C. by bite of bug species (family Triatomidae)
D. by bite of sandfly (genus Phlebotomus)
E. alimentary
ANSWER: E
One patient was admitted to the hospital with a suggested diagnosis “balantidiasis”. Which
material should be taken for laboratory examination?
A. duodenal contents
B. urine
C. material from breastbone puncture
D. cerebrospinal fluid and matherial obtained by puncture of the enlarged
E. stool (feces)
ANSWER: E
A protozoa with cilia were revealed during laboratory analysis of feces smear of patient with
frequent stool, containing mucus and blood. What diagnosis can be made?
A. amoebiasis
B. malaria
C. kala-azar
D. Chagas’ disease
E. balantidiasis
ANSWER: E
A human population has a higher-than-usual percentage of individuals with a genetic disease.
The most likely explanation is:
A. gene flow
B. natural selection
C. variation
D. all of these
E. genetic drift
ANSWER: E
The average phenotype increases its frequency in a population due to:
A. directional selection
B. disruptive selection
C. all of these
D. none of these
E. stabilizing selection
ANSWER: E
Disruptive selection, directional selection and stabilizing selection are all examples of ...
A. genetic equilibrium
B. random changes in a gene pool
C. speciation
D. gene pool
E. natural selection
ANSWER: E
Human beings can not catch amoebiasis through:
A. Unwashed hands
B. Unwashed vegetables
C. Unwashed fruits
D. Unboiled water
E. Unchecked meat
ANSWER: E
Human beings can catch balantidiasis through:
A. Unwashed hands
B. Unwashed vegetables
C. Unwashed fruits
D. Unboiled water
E. Unchecked pork
ANSWER: E
The human brain and eyes can be affected by:
A. Leishmania tropica
B. Trichomonas vaginalis
C. Lamblia intestinalis
D. Plasmodium vivax
E. Toxoplasma gondii
ANSWER: E
Cutaneous leishmaniasis is transmitted by:
A. Anopheles representatives
B. Culex representatives
C. Aedes representatives
D. Glossina representatives
E. Phlebotomus resentatives
ANSWER: E
Human beings can catch lambliasis through:
A. Unchecked pork
B. Unchecked beef
C. Rotten fish
D. Unchecked crabs
E. Unwashed hands
ANSWER: E
Malaria is transmitted by:
A. Culex representatives
B. Aedes representatives
C. Phlebotomus resentatives
D. Glossina representatives
E. Anopheles representatives
ANSWER: E
Sleeping sickness is transmitted by:
A. Anopheles representatives
B. Culex representatives
C. Aedes representatives
D. Phlebotomus resentatives
E. Glossina representatives
ANSWER: E
Leishmania tropica is localized in:
A. Small intestine
B. Large intestine
C. Liver
D. Blood cells
E. Skin cells
ANSWER: E
Trichomonas vaginalis in the human body causes:
A. Large liver and spleen mass
B. Depression and sleepiness
C. Anemia
D. Diarrhea
E. Inflammatory processes in the reproductive tracts
ANSWER: E
Entamoeba histolytica in the human body causes:
A. Large liver and spleen mass
B. Depression and sleepiness
C. Inflammatory processes in the reproductive tracts
D. Anemia
E. Diarrhea
ANSWER: E
Balantidium coli in the human body causes:
A. Large liver and spleen mass
B. Depression and sleepiness
C. Inflammatory processes in the reproductive tracts
D. Anemia
E. Diarrhea
ANSWER: E
Trypanosoma gambiense in the human body causes:
A. Large liver and spleen mass
B. Inflammatory processes in the reproductive tracts
C. Anemia
D. Diarrhea
E. Depression and sleepiness
ANSWER: E
Plasmodium ovale in the human body causes:
A. Inflammatory processes in the skin cells
B. Depression and sleepiness
C. Inflammatory processes in the reproductive tracts
D. Diarrhea
E. Anemia
ANSWER: E
Plasmodium vivax in the human body causes:
A. Depression and sleepiness
B. Inflammatory processes in the reproductive tracts
C. Inflammatory processes in the nerve cells
D. Diarrhea
E. Large liver and spleen mass
ANSWER: E
During the laboratory diagnostics of malaria in human blood there are found:
A. Pseudocysts
B. Sporozoites
C. Ookinetes
D. Endozoites
E. Schizonts
ANSWER: E
During the laboratory diagnostics of malaria in human blood there are found:
A. Pseudocysts
B. Sporozoites
C. Ookinetes
D. Endozoites
E. Gametocytes
ANSWER: E
Pseudocysts formation is common for:
A. Leishmania tropica
B. Entamoeba coli
C. Lamblia intestinalis
D. Balantidium coli
E. Toxoplasma gondii
ANSWER: E
Endozoites formation is common for:
A. Leishmania tropica
B. Entamoeba histilytica
C. Lamblia intestinalis
D. Balantidium coli
E. Toxoplasma gondii
ANSWER: E
The erythrocyte cycle of shizogony in Plasmodium malariae lasts:
A. 24 hours
B. 48 hours
C. 96 hours
D. 12 hours
E. 72 hours
ANSWER: E
The erythrocyte cycle of shizogony in Plasmodium vivax lasts:
A. 24 hours
B. 72 hours
C. 96 hours
D. 12 hours
E. 48 hours
ANSWER: E
The erythrocyte cycle of shizogony in Plasmodium ovale lasts:
A. 24 hours
B. 72 hours
C. 96 hours
D. 12 hours
E. 48 hours
ANSWER: E
Schizont formation is common for:
A. Leishmania tropica
B. Entamoeba coli
C. Lamblia intestinalis
D. Balantidium coli
E. Plasmodium vivax
ANSWER: E
Ookinetes formation is common for:
A. Leishmania tropica
B. Entamoeba coli
C. Lamblia intestinalis
D. Balantidium coli
E. Plasmodium vivax
ANSWER: E
Gametocytes formation is common for:
A. Leishmania tropica
B. Entamoeba coli
C. Lamblia intestinalis
D. Balantidium coli
E. Plasmodium vivax
ANSWER: E
Vaccination is the prophylaxis of:
A. Lambliosis
B. Trichomoniasis
C. Malaria
D. Toxoplasmosis
E. Cutaneus leishmaniasis
ANSWER: E
The final host of Toxoplasma gondii is a:
A. Human being
B. Mouse
C. Hen
D. Rabbit
E. Cat
ANSWER: E
The host of Trichomonas vaginalis is a:
A. Cat
B. Mouse
C. Hen
D. Rabbit
E. Human being
ANSWER: E
The host of Entamoeba histolytica is a:
A. Dog
B. Mouse
C. Cat
D. Rabbit
E. Human being
ANSWER: E
The host of Balantidium coli is a:
A. Cat
B. Cow
C. Hen
D. Rabbit
E. Pig
ANSWER: E
Visceral leishmaniasis prevention consists of:
A. Mosquitoes extermination
B. Tsetse fly extermination
C. Personal hygiene
D. Water purification
E. Taking measures against rodents
ANSWER: E
Malaria prevention consists of:
A. Tsetse fly extermination
B. Taking measures against rodents
C. Personal hygiene
D. Water boiling
E. Mosquitoes extermination
ANSWER: E
Amoebiasis prevention consists of:
A. Mosquitoes extermination
B. Tsetse fly extermination
C. Taking measures against rodents
D. Sand fly extermination
E. Water purification
ANSWER: E
Balantidiasis prevention consists of:
A. Mosquitoes extermination
B. Tsetse fly extermination
C. Restricted contacts with cats
D. Sand fly extermination
E. Washing hands before eating
ANSWER: E
Toxoplasmosis prevention consists of:
A. Mosquitoes extermination
B. Tsetse fly extermination
C. Sand fly extermination
D. Personal hygiene
E. Restricted contacts with cats
ANSWER: E
The intermediate host of Plasmodium malaria is a:
A. Antelope
B. Mosquito
C. Tsetse fly
D. Sand fly
E. Human being
ANSWER: E
The reservoir host of Trypanosoma gambiense is a:
A. Human being
B. Mosquito
C. Tsetse fly
D. Sand fly
E. Antelope
ANSWER: E
The reservoir host of Leishmania donovani is a:
A. Human being
B. Mosquito
C. Tsetse fly
D. Sand fly
E. Dog
ANSWER: E
The reservoir host of Trypanosoma cruzi is a:
A. Human being
B. Mosquito
C. Tsetse fly
D. Sand fly
E. Cow
ANSWER: E
Fasciola hepatica marita is localized in the liver of:
A. Snail
B. Dog
C. Cat
D. Fish
E. Cattle
ANSWER: E
Fasciola hepatica adult is localized in the liver of:
A. Snail
B. Dog
C. Cat
D. Fish
E. Human being
ANSWER: E
Human beings’ invasion with fascioliasis happens through:
A. Dirty hands
B. Dirty fruits
C. Consuming raw or not enough cooked fish
D. Consuming raw crawfish and crabs
E. Water
ANSWER: E
Human beings’ invasion with paragonimiasis happens through:
A. Water
B. Dirty hands
C. Dirty vegetables and fruits
D. Consuming raw or not enough cooked fish
E. Consuming raw crawfish and crabs
ANSWER: E
Human beings’ invasion with chlonorchiasis happens through:
A. Water
B. Dirty hands
C. Dirty vegetables and fruits
D. Consuming raw crawfish and crabs
E. Consuming raw or not enough cooked fish
ANSWER: E
Human beings’ invasion with opisthorchiasis happens through:
A. Water
B. Dirty hands
C. Dirty vegetables and fruits
D. Consuming raw crawfish and crabs
E. Consuming raw or not enough cooked fish
ANSWER: E
Human beings’ invasion with dicrocoeliosis happens through:
A. Water
B. Dirty hands
C. Consuming raw or not enough cooked fish
D. Consuming raw crawfish and crabs
E. Dirty vegetables
ANSWER: E
In the human bile ducts there can be found:
A. Schistosoma haematobium
B. Paragonimus westermani
C. Taenia solium
D. Taenia saginata
E. Fasciola hepatica
ANSWER: E
In the human bile ducts there can be not found:
A. Cat fluke
B. Fasciola hepatica
C. Clonorchis sinensis
D. Opisthorchis felineus
E. Paragonimus westermani
ANSWER: E
In the human lungs there can be found:
A. Schistosoma haematobium
B. Fasciola hepatica
C. Opisthorchis felineus
D. Clonorchis sinensis
E. Paragonimus westermani
ANSWER: E
In the human blood vessels there can be found:
A. Fasciola hepatica
B. Paragonimus westermani
C. Opisthorchis felineus
D. Clonorchis sinensis
E. Schistosoma haematobium
ANSWER: E
In the human blood vessels there can be found:
A. Fasciola hepatica
B. Paragonimus westermani
C. Opisthorchis felineus
D. Clonorchis sinensis
E. Schistosoma japonicum
ANSWER: E
In the human veins there can be found:
A. Fasciola hepatica
B. Paragonimus westermani
C. Opisthorchis felineus
D. Clonorchis sinensis
E. Schistosoma mansoni
ANSWER: E
The invasive for human beings stage of Fasciola hepatica is called:
A. Miracidium
B. Sporocyst
C. Redia
D. egg
E. Adolescaria
ANSWER: E
The invasive stage of Schistosoma haematobium for human beings is called:
A. Miracidium
B. Sporocyst
C. Redia
D. Metacercaria
E. Cercaria
ANSWER: E
The invasive for human beings stage of Paragonimus westermani is called:
A. Miracidium
B. Sporocyst
C. Redia
D. Cercaria
E. Metacercaria
ANSWER: E
The invasive for human beings stage of Opisthorchis felineus is called:
A. Miracidium
B. Sporocyst
C. Redia
D. Cercaria
E. Metacercaria
ANSWER: E
What is the size of the marita of Fasciola hepatica?
A. 3-5 mm
B. 30-50 cm
C. 10 mm
D. 1-2 m
E. 3-5 cm
ANSWER: E
What is the size of adult of Fasciola hepatica?
A. 3-5 mm
B. 30-50 cm
C. 10 mm
D. 1-2 m
E. 3-5 cm
ANSWER: E
The final host of Taenia saginata is a:
A. dog
B. pig
C. fish
D. cow
E. man
ANSWER: E
The final host of Echinococcus granulosus is a:
A. man
B. pig
C. fish
D. cow
E. dog
ANSWER: E
In human organism the hydadtid cyst stage of Echinococcus granulosus can be localized in the:
A. Large intestine
B. Skin
C. Pancreas
D. Small intestine
E. Lungs
ANSWER: E
The diagnostics of the disease caused by Echinococcus granulosus hydatid cyst is performed by:
A. Microscopic analisis of blood
B. Microscopic analisis of urine
C. Microscopic analisis of cerebrospinal fluid
D. Microscopic analisis of feses
E. Serological examination and tomography
ANSWER: E
In human organism cysticercosis is result of autoinvasion by:
A. Diphyllobotrium latum
B. Taenia saginata
C. Echinococcus multilocularis
D. Echinococcus granulosus
E. Taenia solium
ANSWER: E
The individual prevention of opisthorchiasis is based on:
A. Individual hygiene
B. Consuming well-cooked crabs
C. Consuming well-cooked beef
D. Consuming boiled water
E. Consuming well-cooked fish
ANSWER: E
The individual prevention of paragonimiasis is based on:
A. Individual hygiene
B. Consuming well-cooked fish
C. Consuming well-cooked beef
D. Consuming boiled water
E. Consuming well-cooked crabs
ANSWER: E
The individual prevention of fascioliasis is based on:
A. Individual hygiene
B. Consuming well-cooked fish
C. Consuming well-cooked crabs
D. Consuming well-cooked beef
E. Consuming boiled water
ANSWER: E
The individual prevention of urogenital schistosomiasis is based on:
A. Consuming well-cooked fish
B. Consuming well-cooked crabs
C. Consuming well-cooked pork
D. Consuming boiled water
E. No swimming in endemic areas
ANSWER: E
The individual prevention of hepatosplenic schistosomiasis is based on:
A. Consuming well-cooked fish
B. Consuming well-cooked crabs
C. Consuming well-cooked pork
D. Consuming boiled water
E. No swimming in endemic areas
ANSWER: E
The individual prevention of intestinal schistosomiasis is based on:
A. Consuming well-cooked fish
B. Consuming well-cooked crabs
C. Consuming well-cooked pork
D. Consuming boiled water
E. No swimming in endemic areas
ANSWER: E
The intermediate host of Taenia solium is a:
A. dog
B. man
C. fish
D. cow
E. pig
ANSWER: E
The diagnostics of the disease caused by Echinococcus granulosus hydatid cyst is performed by:
A. Microscopic analisis of feses
B. Microscopic analisis of blood
C. Microscopic analisis of urine
D. Microscopic analisis of cerebrospinal fluid
E. Serological examination and X-ray
ANSWER: E
In human organism the multilocular cyst stage of Echinococcus multilocularis can be localized in
the:
A. Small intestine
B. Large intestine
C. Skin
D. Pancreas
E. Liver
ANSWER: E
Human being can be invaded by Diphyllobotrium latum through:
A. Consuming freshly salted caviar
B. Unwashed vegetables
C. Dirty hands
D. Water
E. No enough thermal treatment of fish
ANSWER: E
Public prevention of the invasion of Echinococcus granulosus it is necessary to:
A. Treat pork thermally before consumption
B. Wash vegetables and fruit
C. Wash hands before eating
D. Treat beef thermally before consumption
E. Treat and diagnostic of dogs
ANSWER: E
The intermediate host of Echinococcus granulosus is a:
A. dog
B. cat
C. fish
D. fox
E. man
ANSWER: E
What investigations must be performed to confirm a diagnosis of ascariasis?
A. Microscopy of patient’s blood smears
B. Microscopy of patient’s liver cells
C. Serologic test, muscle biopsy
D. Microscopy of patient’s cerebrospinal fluid
E. Microscopy of patient’s faeces
ANSWER: E
What investigations must be performed to confirm a diagnosis of trichuriasis?
A. Microscopy of patient’s blood smears
B. Microscopy of patient’s liver cells
C. Serologic test, muscle biopsy
D. Microscopy of patient’s cerebrospinal fluid
E. Microscopy of patient’s faeces
ANSWER: E
What is the mode of transmission of Trichinella spiralis in human?
A. ingestion contaminated crabs
B. ingestion contaminated snail
C. ingestion contaminated beef
D. penetration of skin by larva
E. ingestion contaminated pork
ANSWER: E
What is the cause of filariasis:
A. Dracunculus medinensis
B. Onchocerca volvulus
C. Toxocara canis
D. Loa loa
E. Wuchereria bancrofti
ANSWER: E
What is prevention of filariasis?
A. filtering or boiling of drinking water
B. control of the deer fly by insecticides
C. washing hands before meals
D. wearing shoes
E. control of the mosquito by insecticides
ANSWER: E
What is prevention of dracunculiasis?
A. control of the deer fly by insecticides
B. washing hands before meals
C. properly cooking pork
D. wearing shoes
E. filtering or boiling of drinking water
ANSWER: E
What is prevention of loiasis?
A. filtering or boiling of drinking water
B. washing hands before meals
C. control of the mosquito by insecticides
D. wearing shoes
E. control of the deer fly by insecticides
ANSWER: E
What is prevention of trichinosis?
A. filtering or boiling of drinking water
B. control of the deer fly by insecticides
C. washing hands before meals
D. wearing shoes
E. properly cooking pork
ANSWER: E
What is prevention of onchocerciasis?
A. filtering or boiling of drinking water
B. control of the deer fly by insecticides
C. washing hands before meals
D. control of the mosquito by insecticides
E. control of the black fly by insecticides
ANSWER: E
What is prevention of strongyloidiasis?
A. properly cooking pork
B. control of the deer fly by insecticides
C. washing hands before meals
D. control of the mosquito by insecticides
E. wearing shoes
ANSWER: E
Which of the tissue nematodes are transmitted by bite of blackflies:
A. Dracunculus medinensis
B. Wuchereria bancrofti
C. Toxocara canis
D. Loa loa
E. Onchocerca volvulus
ANSWER: E
Which of the tissue nematodes are transmitted by bite of mosquito?
A. Dracunculus medinensis
B. Onchocerca volvulus
C. Toxocara canis
D. Loa loa
E. Wuchereria bancrofti
ANSWER: E
What investigations must be performed to confirm a diagnosis of dracunculiasis?
A. Microscopy of patient’s blood smears, taken from patient at night
B. Microscopy of patient’s liver cells
C. Biopsy of the affected skin
D. Serologic test, muscle biopsy
E. Clinically by finding the head of the worm in the skin ulcer
ANSWER: E
What investigations must be performed to confirm a diagnosis of onchocerciasis?
A. Microscopy of patient’s blood smears
B. Microscopy of patient’s liver cells
C. Serologic test, muscle biopsy
D. Clinically by finding the head of the worm in the skin ulcer
E. Biopsy of the affected skin
ANSWER: A
In Eastern countries crayfish and crabs are intermediate hosts for:
A. Schistosomes
B. Fasciola hepatica
C. Opisthorchis felineus
D. Dicrocoelium lanceatum
E. Paragonimus westermani
ANSWER: E
The agent of scabies is:
A. Dermacentor pictus
B. Ornithodoros papillipes
C. Demodex folliculorum
D. Ixodes ricinus
E. Sarcoptes scabiei
ANSWER: E
Cyclopes are intermediate hosts for:
A. Fasciola hepatica
B. Paragonimus westermani
C. Opisthorchis felineus
D. Wuchereria bancrofti
E. Dracunculus medinensis
ANSWER: E
Cyclopes are intermediate hosts for:
A. Fasciola hepatica
B. Paragonimus westermani
C. Opisthorchis felineus
D. Wuchereria bancrofti
E. Diphyllobotrium latum
ANSWER: E
Ixodes ricinus is a vector of the causative agents for:
A. Plugue
B. Scabies
C. Demodecosis
D. Pediculosis
E. Tularemia
ANSWER: E
Ixodes persulcatus is a vector of the causative agents for:
A. Plugue
B. Scabies
C. Demodecosis
D. Pediculosis
E. Taiga encephalitis
ANSWER: E
Pulex irritans is a vector of the causative agents for:
A. Taiga encephalitis
B. Scabies
C. Demodecosis
D. Pediculosis
E. Plugue
ANSWER: E
Pediculus humanus humanus is a vector of the causative agents for:
A. Plugue
B. Taiga encephalitis
C. Scabies
D. Pediculosis
E. Epidemic typhus
ANSWER: E
Pediculus humanus capitis is a causative agent of:
A. Plugue
B. Epidemic typhus
C. Scabies
D. Demodecosis
E. Pediculosis
ANSWER: E
The vector of malaria agent is:
A. Mosquito Culex
B. Pediculus humanus
C. Tsetse fly Glossina palpalis
D. Sand fly Phlebotomus papatasii
E. Mosquito Anopheles
ANSWER: E
The black fly of genus Simulium is a specific vector of the agent of:
A. Plugue
B. Tularemia
C. Scabies
D. Loiasis
E. Onchocerciasis
ANSWER: E
The infection of human beings with plague happens due to:
A. Mosquito bite
B. Bedbugs bite
C. Sand fly bite
D. Lice bite
E. Flea bite
ANSWER: E
The human flea Pulex irritans larva ...
A. Has legs
B. Has wings
C. Looks like an imago
D. Looks like a pupa
E. Doesn’t have legs
ANSWER: E
During the day period a Pediculus humanus capitis female lays up to:
A. 50 eggs
B. 100 eggs
C. 200 eggs
D. 300 eggs
E. 10 eggs
ANSWER: E
The life period of Pediculus humanus capitis is:
A. 7-17 days
B. 17-27 days
C. 37-47 days
D. 47-57 days
E. 27-37 days
ANSWER: E
A trench fever causative agent gets into the human body during:
A. Mosquito bites
B. Crushing lice and getting its hemolymph into the wound, which appears on the skin during
biting or scratching
C. Contact with clothes of sick people
D. Crushing hemolymph with rickettsia into a would on the skin, into the conjuctiva or
respiratory tract
E. Crushing feces with rickettsia into a would on the skin, into the conjuctiva or respiratory tract
ANSWER: E
A pediculosis causative agent gets into the human body during:
A. Insect bites
B. Crushing lice and getting its hemolymph into the wound, which appears on the skin during
biting or scratching
C. Crushing feces with rickettsia into a would on the skin, into the conjuctiva or respiratory tract
D. Crushing hemolymph with rickettsia into a would on the skin, into the conjuctiva or
respiratory tract
E. Contact with clothes of sick people
ANSWER: E
A scabies causative agent gets into the human body during:
A. Insect bites
B. Crushing lice and getting its hemolymph into the wound, which appears on the skin during
biting or scratching
C. Crushing feces with rickettsia into a would on the skin, into the conjuctiva or respiratory tract
D. Crushing hemolymph with rickettsia into a would on the skin, into the conjuctiva or
respiratory tract
E. Contact with clothes of sick people
ANSWER: E
All of the genes that occur within a specific population refers to the term
A. genotype
B. gene marker
C. genome
D. selection
E. gene pool
ANSWER: E
How many blood circuit does the amphybians vascular system have?
A. 12
B. 3
C. non of the above
D. 10
E. 2
ANSWER: E
All of the animals has double circulation through the heart except
A. birds
B. mammals
C. amphibian’s
D. reptilians
E. fish’s
ANSWER: E
Four chambered heart all of the animals have except
A. birds
B. mammals
C. crocodilians
D. humans
E. fish
ANSWER: E
In which of the following animals the blood on ventricle is incompletely oxygenated?
A. chicken
B. monkey
C. fish
D. man
E. frog
ANSWER: E
In which of the following animals the ventricle is incompletely separated?
A. frog
B. chicken
C. monkey
D. fish
E. snake
ANSWER: E
Arachnids have _________ pairs of legs.
A. three
B. six
C. eight
D. two
E. four
ANSWER: E
Crustaceans have _________ pairs of antennae
A. four
B. three
C. one
D. eight
E. two
ANSWER: E
Insects have _________ pairs of antennae:
A. four
B. three
C. eight
D. two
E. one
ANSWER: E
The members of the crustacean class are:
A. itch mite
B. house fly
C. fruit fly
D. mosquito
E. crabs
ANSWER: E
The representatives of the crustacean class are:
A. mosquito
B. itch mite
C. house fly
D. fruit fly
E. cyclops
ANSWER: E
The members of the crustacean class are:
A. mosquito
B. itch mite
C. fruit fly
D. house fly
E. crayfishes
ANSWER: E
Members of the insects class are:
A. itch mite
B. crayfishes
C. hard-bodied ticks
D. soft-bodied ticks
E. mosquitoes
ANSWER: E
The _____________ go through a complete metamorphosis.
A. mites
B. ticks
C. spiders
D. lice
E. mosquitoes
ANSWER: E
The _____________ go through a complete metamorphosis.
A. mites
B. ticks
C. spiders
D. lice
E. fleas
ANSWER: E
The _____________ go through a complete metamorphosis.
A. mites
B. spiders
C. ticks
D. lice
E. tsetse flies
ANSWER: E
The _____________ go through complete metamorphosis.
A. mites
B. lice
C. spiders
D. ticks
E. flies
ANSWER: E
The _____________ go through incomplete metamorphosis.
A. mosquitoes
B. butterflies
C. fleas
D. flies
E. lices
ANSWER: E
The _____________ go through incomplete metamorphosis.
A. mosquitoes
B. fleas
C. flies
D. butterflies
E. ticks
ANSWER: E
During ____ metamorphosis, an insect’s life cycle passes through four stages.
A. incomplete
B. simple
C. immature
D. non of the above
E. complete
ANSWER: E
Chitin can be found in:
A. glandular tissue
B. the muscle tissue of vertebrates
C. epithelial tissue of humans
D. non of the above
E. exoskeleton of animals such as cockroaches and crabs
ANSWER: E
During ____ metamorphosis, an insect’s life cycle passes through three stages.
A. complete
B. full
C. mature
D. immature
E. incomplete
ANSWER: E
The representatives of the arachnid class are:
A. crabs
B. mollusks (clams)
C. flies
D. mosquito
E. spiders
ANSWER: E
The representatives of the arachnid class are:
A. crabs
B. house fly
C. fruit fly
D. mosquito
E. itch mite
ANSWER: E
Members of the arachnid class are:
A. Black fly
B. Pediculus humanus capitis
C. Mosquito Anopheles
D. Glossina palpalis
E. Ixodes persulcatus
ANSWER: E
Members of the insects class are:
A. hard-bodied ticks
B. itch mite
C. crayfishes
D. soft-bodied ticks
E. fleas
ANSWER: E
Members of the insects class are:
A. hard-bodied ticks
B. itch mite
C. crayfishes
D. soft-bodied ticks
E. lice
ANSWER: E
Members of the insects class are:
A. hard-bodied ticks
B. itch mite
C. crayfishes
D. soft-bodied ticks
E. bugs
ANSWER: E
Representatives of the insects class are:
A. Ixodes ricinus
B. Ixodes ricinus
C. Sarcoptes scabiei
D. Ornithodorus papillipes
E. Pediculus humanus capitis
ANSWER: E
Members of the insects class are:
A. Ixodes ricinus
B. Ixodes persulcatus
C. Sarcoptes scabiei
D. Ornithodorus papillipes
E. Pediculus humanus humanus
ANSWER: E
How many legs does an insect have?
A. four
B. three
C. eight
D. two
E. six
ANSWER: E
How many pairs of legs does an insect have?
A. four
B. six
C. eight
D. two
E. three
ANSWER: E
The _____________ go through incomplete metamorphosis.
A. mosquitoes
B. scorpions
C. fleas
D. flies
E. lice
ANSWER: E
The _____________ go through incomplete metamorphosis.
A. mosquitoes
B. fleas
C. flies
D. bugs
E. ticks
ANSWER: E
Biotic factors in an ecosystem can include
A. sunlight
B. temperature
C. air pressure
D. wind
E. animals
ANSWER: E
The interaction between two species in which one species benefits and the other species is
harmed is called:
A. mutualism
B. commensalism
C. competition
D. none of these
E. parasitism
ANSWER: E
In a natural community, the primary consumers are:
A. carnivores
B. scavengers
C. decomposers
D. all of these
E. herbivores
ANSWER: E
In contrast to a predator, a parasite usually ...
A. kills its host
B. is a short-term visitor
C. is larger than its host
D. does not kill the animal on which or in which it lives and is larger than its host.
E. does not kill the animal on which or in which it lives
ANSWER: E
Air pollution ...
A. reduces visibility
B. corrodes buildings
C. causes various human diseases
D. damages plants
E. all of these
ANSWER: E
The biomass of a community is the weight of the ...
A. material decomposed in a year
B. producers.
C. consumers.
D. decomposers
E. living organisms
ANSWER: E
The interaction between two species in which both species may be harmed is known as ...
A. mutualism
B. parasitism
C. commensalism
D. predation
E. competition
ANSWER: E
The interaction between two species in which one species may be harmed is known as ...
A. mutualism
B. commensalism
C. competition
D. symbiosis
E. parasitism
ANSWER: E
The interaction between two species in which one specie may be harmed is known as ...
A. mutualism
B. symbiosis
C. commensalism
D. competition.
E. predation
ANSWER: E
The relationship between two species in which one species may is benefited and the other is
neither benefited or harmed is called:
A. mutualism
B. symbiosis
C. competition
D. predation
E. commensalism
ANSWER: E
The relationship between two species in both members of the association benefit is known as ...
A. symbiosis.
B. commensalism
C. competition
D. predation
E. mutualism
ANSWER: E
A natural food web ...
A. contains only grazing food chains
B. is usually unstable
C. contains only grazing food chains and
D. All of these
E. contains several trophic levels
ANSWER: E
contains several trophic levels
How do plants contribute to the carbon cycle?
A. When they respire, they release CO2 into the atmosphere
B. When they photosynthesize, they consume carbon dioxide from the atmosphere
C. They do not contribute to the carbon cycle
D. All of these
E. When they respire, they release CO2 into the atmosphere and when they photosynthesize,
they consume carbon dioxide from the atmosphere
ANSWER: E
How do nitrogen fixing bacteria contribute to the nitrogen cycle?
A. They return N2 to the atmosphere
B. They change ammonia to nitrate
C. They withdraw nitrate from the soil
D. All of these
E. They change N2 to ammonia
ANSWER: E
Detritivores are:
A. bacteria
B. plants
C. fungi
D. animals
E. both bacteria and fungi
ANSWER: E
The relationship between man and Plasmodium vivax is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Toxoplasma gondii is named:
A. mutualism
B. commensalism
C. competition
D. predation
E. parasitism.
ANSWER: E
The relationship between man and Plasmodium ovale is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Plasmodium malariae is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Plasmodium falciparum is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Entamoeba hystolitica (forma magna) is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Entamoeba hystolitica (forma minuta) is named:
A. mutualism
B. parasitism.
C. competition
D. predation
E. commensalism
ANSWER: E
The relationship between man and Entamoeba coli is named:
A. mutualism
B. parasitism.
C. competition
D. predation
E. commensalism
ANSWER: E
The relationship between man and Trypanosoma brucei is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Entamoeba gingivalis is named:
A. mutualism
B. parasitism.
C. competition
D. predation
E. commensalism
ANSWER: E
The relationship between man and Trypanosoma brucei gambiense is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Trypanosoma brucei rhodesiense is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Trypanosoma cruzi is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania donovani is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania infantum is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania tropica major is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania tropica minor is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania mexicana is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania peruviana is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania brasiliense is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Leishmania aethiopia is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Trichomonas vaginalis is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Lamblia intestinalis is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Giardia lamblia is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E
The relationship between man and Balantidium coli is named:
A. mutualism
B. commensalism.
C. competition
D. predation
E. parasitism
ANSWER: E