Download MICROBIOLOGY and PUBLIC HEALTH

MICROBIOLOGY and PUBLIC
HEALTH
1. The “BUBO” is found in
A.
B.
C.
D.
E.
botulism
salpingitis
plague
anthrax
stye
2. An important spirochete responsible for
relapsing fever is
A.
B.
C.
D.
E.
spirocheatae bucolis
treponema pertenue
Vincent’s spirillum
Treponema pallidum
Borellia recurrentis
7. The organism usually associated with gas
gangrene may be classified as a/an
A.
B.
C.
D.
E.
thermophil
saprophyte
psychrophil
aerobe
obligate parasite
8. The largest virus causes
A.
B.
C.
D.
E.
yellow fever
psittacosis
variola
influenza
polio
9. The Wasserman test is a diagnostic aid for
3. Rice water stool is the classical symptom of
A.
B.
C.
D.
E.
infant diarrhea
salmonellosis
botulism
cholera
dysentery
A.
B.
C.
D.
E.
whooping cough
typhus
syphoid
syphilis
tuberculosis
10. In the lag phase of bacterial growth
4. The etiological agent for histoplasmosis is
A.
B.
C.
D.
E.
a bacterium
a virus
a mold
a yeast-like fungus
an actinomycete
A.
B.
C.
D.
E.
toxic products are formed
population is temporarily constant
nutrients are gone
cells divide steadily
each organism divides
11. Detoxified, but still antigen toxin is a
5. The first infectious disease for which a
practical method of prevention was developed
was caused by
A.
B.
C.
D.
E.
viruses
rickettsias
protozoa
molds
bacteria
6. Hemophilus ducreyi
A.
B.
C.
D.
E.
is easily cultivated
is a gram-positive organism
caused venereal disease
is not a pathogen
causes an upper respiratory
infection
A.
B.
C.
D.
E.
toxin-antitoxin
toxon
toxin
toxoid
none of the above
12. When most protozoans are subjected to
unfavorable conditions, they
A.
B.
C.
D.
E.
completely disintergrate
divide by binary fission
develop into resistant-walled cysts
develop cilia
develop a flagellum
13. Chocolate agar
A. contains bile which makes it look
like chocolate
B. is useful for cultivation treponema
pallidum
C. is really a heated blood agar
D. is mostly chocolate with a small
amount of dextrose
E. is a mixture of chocolate and agar
14. Asexual reproduction by budding is common
in
A.
B.
C.
D.
E.
algae
yeasts
rickettsia
virus
bacteria
15. Animals are not susceptible to the organisms
causing the common cold in man. This kind of
immunity
A.
B.
C.
D.
E.
selective
natural
artificial
passive
active
16. Nervous tissue that contains negri bodies is
indicative of
A.
B.
C.
D.
E.
rabies
yellow fever
dengue fever
typhus fever
poliomyelitis
17. Which of the following is not associated with
malaria
A.
B.
C.
D.
E.
plasmodium falciparum
culex mosquito
parasite is a protozoa
anopheles mosquito
none of these
18. The ascoli test is associated with
A.
B.
C.
D.
E.
staph infections
leprosy
TB
anthrax
clostridium
19. The bactrium associated with the rod of a
luminous plant
A.
B.
C.
D.
E.
pseudomonas
rhizobium
arebactor
thiobacillus
barillus
20. Thyphoid fever is transmitted through milk
was found by
A.
B.
C.
D.
E.
Kitasato
Smith
Taylor
Koch
Pasteur
21. Fever of 104 degrees in a average teenage
patient will
A.
B.
C.
D.
E.
eliminate mental tension
eliminate cardiac output
destroy pathogenic bacteria
cause convulsions
cause death
22. A lack of the following vitamin when
clinically deficient can cause symptoms of
xerophthalmia, impaired dark adaptation and
other disorders of vision
A.
B.
C.
D.
E.
Vitamin B2
Beta carotene
Ascorbic acid
Tocopherol
Vitamin B6
23. The bureau that “carries on a program of
research activities primarily in the field of
infectious diseases, research into the cause,
diagnosis, prevention and treatment of the
diseases of man” is the
A.
B.
C.
D.
E.
National Institute of Health
Children’s Bureau
Industrial Hygiene Division
Office of the Surgeon General
Division of the International Health
24. Public health may be regarded as that body
of knowledge and those practices that contribute
ot health in the aggregate through measures that
are
A.
B.
C.
D.
E.
both preventive and curative
via government agencies
preventive
curative
none of the above
25. All collected data referred to as vital statistics
eventually reach the National Office of Vital
Statistics. This office is located in which of the
following Federal Agencies
A.
B.
C.
D.
E.
Department of Commerce
United States Public Health Service
Bureau of Public Assistance
World Health Organization
Department of Labor
26. In most states, the state health officer is
appointed by
A. President of the United States
B. the governor
C. United States Public Health
Services
D. state legislature
E. World Health Organization
27. When the health officer receives a report of a
communicable disease in his/her community, all
of the following steps are recommended except
A. take steps to insure bedside
disinfection by responsible
individual of household
B. have necessary laboratory
specimens collected
C. investigate the circumstances to
verify the diagnosis
D. report to the State Department of
Health and await instructions
E. ascertain the source of infection
and try to discover contacts and
unreported cases
28. The U.S. census is taken every
A.
B.
C.
D.
E.
20 years
10 years
5 years
2 years
25 years
29. Chlorination of water
A.
B.
C.
D.
E.
disinfects the water
sterilizes the water
aerates the water
contaminates the water
none of the above
30. The main purpose of water aeration is to
A.
B.
C.
D.
E.
reduce turbidity of bacteria
remove odors and tastes
make iron and manganese soluble
act as a natural bactericide
alter the form of hardness of water
31. The indicator of water pollution is
A.
B.
C.
D.
E.
mycobacterium
staphylococcus
escherichia
klebsiella
proteus
32. The disease most responsible for bringing
about legislation requiring cooking of garbage
fed to hogs is
A.
B.
C.
D.
E.
anthrax
vescicular exanthema
trichinosis
dysentery
typhoid fever
33. The chemical most commonly used to treat
waste in a chemical toliet is
A.
B.
C.
D.
E.
calcium choride
sodium hydroxide
alum
potassium carbonate
tri-iodomethane
34. The Imhoff tank is associated with
A.
B.
C.
D.
E.
pasteurization of milk
water purification
regulation of illumination
air pollution control
sewage disposal
35. A measure of the putrescrible load upon
sewage treatment works and upon bodies of
water into which sewers or swage treatment
plants empty is
A. BOD test [biochemical oxygen
demand
B. odor of effluent
C. color of effluent
D. complete digestion of solid waste
E. number of organisms in effluent
36. A suspension of killed or attenuated
organisms is a
A.
B.
C.
D.
E.
toxin
plasma
vaccine
precipitate
none of the above
37. A person known to have been in association
with an infected person and to have had the
opportunity of acquiring the infection is known
as a/an
A.
B.
C.
D.
E.
probable
incumbent
carrier
contact
prospect
38. A microorganism classified as an
“opportunist” mainly uses pathologic phenomena
in humans when
A. milk is removed from the diet
B. host temperature remains 37
degrees Celsius
C. anaerobic conditions prevail
D. host resistance is lowered
E. room temperature exceeds 73
degrees Fahrenheit
39. The elapse of time from initial infection
through evaluation of pathogenesis to first
appearance of symptoms and signs of disease is
called
A.
B.
C.
D.
E.
clinical course
infectivity
tropism
incubation period
infection
40. Mycobacterium is the etiological genus for
A.
B.
C.
D.
E.
influenza
bronchitis
mononucleosis
diarrhea
tuberculosis
41. Which of the following diseases is not
caused by a virus
A.
B.
C.
D.
E.
measles
whooping cough
infectious hepatitis
mumps
all are caused by a virus
42. One of the main differences between
botulism and common types of food poisoning is
A. botulism is carried in the blood and
food poisoning is not
B. botulism has a two week incubation
period as opposed to a two day
period of incubation in food
poisoning
C. botulism must always come from
canned fish, while other food toxins
come from all foods
D. botulism causes ulcers and food
poisoning does not
E. in botulism there are usually no
indications of acute gastrointestinal
irritation
43. Which of the following has the highest case
fatality rate
A.
B.
C.
D.
E.
plague
smallpox
rabies
cholera
tetanus
44. Which of the following bovine diseases does
not contaminate the milk of an infected cow
A.
B.
C.
D.
E.
brucellosis
actinomycosis
milk sickness or trembles
Q fever
bovine tuberculosis
45. A principal factor controlling the prevalence
of pneumonia under ordinary conditions is
A. the host and his/her resistance
B. mucosal variation
C. the opportunity for acquiring the
infection
D. the nature of the infective organism
E. none of the above
46. Federal law prohibits the sale of shaving
brushes not properly sterilized as a measure to
prevent
A.
B.
C.
D.
E.
foot and mouth disease
rabies
glanders
tetanus
anthrax
47. Easter equine encephalomyelitis is
transmitted from host to host by
A.
B.
C.
D.
E.
lice
mites
mosquitoes
rat fleas
ticks
48. An important factor in control of hookworm
disease is
A. mass vaccination
B. avoidance of eating white sugar
C. education of inhabitants of endemic
areas in personal hygiene and
sanitation
D. stringent meat inspection
E. improvement in nutrition,
especially protein
49. Gambusia affinis [minnows] has been
effective in
A.
B.
C.
D.
E.
tick control
mite control
domestic fly contol
rodent control
mosquito control
50. Public health procedure best suited in
prevention and control of the disease, Rocky
Mountain Spotted Fever, is
A.
B.
C.
D.
E.
immunization of dogs
thorough cooking of pork
control of mites
control of ticks
disinfection of water
51. Hookworm disease is a parasitic infection
characterized principally by
A.
B.
C.
D.
E.
secondary anemia
diarrhea
acidosis
glucosuria
constipation
52. Pathological changes in trichinosis are most
common in
A.
B.
C.
D.
E.
skeletal muscle
spleen
liver
brain
heart
53. Which of the following conditions is
diagnosed by means of an anal scotch tape swab
A.
B.
C.
D.
E.
echinococcosis
ancylostomiasis
enterobiasis
trichinosis
ascariasis
54. All state laws require the use of prophylactic
medication at the time of birth to prevent
blindess from
A.
B.
C.
D.
E.
myopia
retrolental fibroplasia
glaucoma
cataracts
ophthalmia neonatorum
55. Which of the following does not apply to the
condition of trichinosis
A. the mode of transmission is the
consumption of viable trichinae in
animal flesh
B. one method of control is the
adequate cooking of fresh pork
products by the consumer; this will
destroy the trichinae
C. a useful laboratory diagnostic
procedure is the finding of a
lymphocytosis
D. a characteristic early symptom is
edema of the upper eyelids
E. the cycle may be perpetuated in
swine by the ingestion of trichinae
infected rats
56. A tonometer is commonly used in the
diagnosis of
59. Mutation refers precisely to a
A. temporary change in shape of
parent organism
B. temporary change in the
temperature requirement of the
parent cell
C. permanent change in the nucleic
acids of the parent cell
D. change in the species of the
mutated parent cell
E. change in the appearance
60. Hemophilus pertussis belongs to the class
A.
B.
C.
D.
E.
eubacteriales
sporozoa
infusoria
mastigophora
sarcodina
61. In most species of heterotrophic bacteria
A.
B.
C.
D.
E.
otitis media
ulcer of the mouth
glaucoma
perforated ear drums
eye infections
57. Laboratory work with bacteria
A. depends only on biochemical
differences
B. does not require isolation
C. should be performed with pure
cultures
D. uses filtration as the best method
for sterilization
E. does not necessitate sterilization of
equipment
58. All of the following are part of a protoplast
except
A.
B.
C.
D.
E.
cell wall
vacuoles
nuclear material
cytoplasmic membrane
cytoplasm
A. carbohydrates do not serve as a
source of carbon
B. carbohydrates have only one
function
C. carbohydrates serve as the chief
source of energy
D. fats serves the chief source of
energy
E. protein serves as the chief source of
energy
62. Microscopic indentification of fungi is based
on
A. their solubility in ten percent
potassium
B. their staining reaction
C. reaction to eosin-glycerin
D. their ability to absorb lactophenolcotton blue
E. the type of spore produced and
their arrangement on the hyphae
63. The energy releasing process of living things
which proceeds in the absence of molecular
oxygen with the production of acids and alcohols
A.
B.
C.
D.
E.
photosynthesis
secretion
excretion
respiration
fermentation
64. After phagocytosis, which of the following
cell structures is thought to be directly involved
in the destruction of the foreign material
A.
B.
C.
D.
E.
ribose
lysozymes
endoplasmic reticulum
mitochondria
golgi apparatus
65. A serious illness, the causative agent of
which may be transmitted from patient to patient
in the course of certain surgical procedures and
which is of viral origin
A.
B.
C.
D.
E.
pseudomembranous enterocolitis
allergic encephalomyelitis
allergic stomatitis
serum hepatitis
rheumatic fever
66. The Echo viruses chiefly infest the
A. central nervous system
B. intestinal tract
C. skin and reproduction
D. blood and lymph systems
E. none of these
67. The most common viral infection of the skin
A.
B.
C.
D.
E.
herpes zoster
herpes simplex
psoriasis
impetigo
lichen planus
68. The Kolmer test requires the presence of
A.
B.
C.
D.
E.
oxidase
properdin
opsonins
complement
lysozyme
69. Maduromycosis affects primarily the
A. mucous membranes of the nose and
nasopharynx
B. perineum
C. exposed parts of the body
D. mucous membrane of the mouth
E. lungs
70. Which disease is not caused by bacteria
A.
B.
C.
D.
E.
cholera
amebic dysentery
bacillary dysentery
syphilis
typhoid
71. The most important aspect of the germ
theory of a disease, as it was developed by
Pasteur and his associates, was that
A. any infectious disease may be
caused by a variety of different
organisms
B. all diseases are infectious
C. each infectious disease is caused by
a particular organism
D. all bacteria are harmful
E. all diseases are caused by bacteria
72. The urogential tract of a normal individual is
A.
B.
C.
D.
E.
gram-positive
game-negative
completely lacking in bacteria
full of pathogenic bacteria
remarkable free of pathogenic
bacteria
73. Of the following, which is not a natural
method of water purification
A.
B.
C.
D.
E.
disinfection
soil filtration
storage in lakes and ponds
stream self-purification
evaporation and condensation
74. Rapid sand filtration is used in
A.
B.
C.
D.
E.
pasteurization of milk
water purification
sewage disposal
air pollution control
none of these
75. The TPI test is used to determine
A.
B.
C.
D.
E.
malaria
hepatitis
syphilis
rheumatic fever
diabetes
76. The most effective measure for mosquito
control is dependent upon the
A. reduction of aquatic vegetation
B. use of new types of repellents
C. use of new types of insecticides for
destroying adult insects
D. elimination of breeding places
E. trapping of adult mosquitoes
77. Governmental controls of shellfish breeding
areas are important to
A. regulate the size of shellfish
B. control individual species
C. regulate polluted areas that may
infect the shellfish
D. prevent costly transplanting
E. insure better tasting shellfish
78. When a disease temporarily and greatly
increases in a human population over a
limited area, it is said to be
A.
B.
C.
D.
E.
enzootic
epidemic
pandemic
epizootic
epidemiologic
79. About one-half of all home accidents are
caused by
A.
B.
C.
D.
E.
firearms
poison gas
fires
poisoning
falls
80. What condition of water indicate the need
for its filtration before use
A.
B.
C.
D.
E.
salty taste
turbidity
high bacterial concentration
unpleasant odor
none of these
81. Anaerobic bacteria are predominant in
which phase of sewage treatment
A.
B.
C.
D.
E.
preliminary treatments
sedimentation tanks
sludge digesters
sludge drying beds
filtration beds
82. The most important sequelae of accidents in
the aged is
A.
B.
C.
D.
E.
mental deterioration
malnutrition syndromes
secondary wounding
pneumonia
crippling
83. Of all the causes of fatal accidents one far
exceeds all others. The most common cause
A.
B.
C.
D.
E.
falls
burns
drowning
motor vehicles
airplanes
84. Of the following pasteurization methods,
which is the best from hygienic standpoint
A.
B.
C.
D.
E.
flash method
holding method
continuous flow method
vat method
final container method
85. A well would preferably be located
A.
B.
C.
D.
E.
close to a supply of surface water
downgrade from the septic tank
upgrade from the cesspool
deep in the earth
north of all sources of
contamination
86. Aeration of water does not
A.
B.
C.
D.
E.
remove volatile tastes and odors
inhibit filtration processes
assist escape of dissolved gases
reduce corrosive tendency
mix oxygen with water
87. The leading cause of death in the U.S. in the
1 to 35 age group is
A.
B.
C.
D.
E.
tuberculosis
accidents
respiratory difficulty
cancer
heart disease
88. Of the following clinical problems due to
atmospheric pollution, which has not been
clinically substantiated
A.
B.
C.
D.
E.
respiratory illness
damage to plant and cattle
beryllium granulomatosis
lung cancer
irritant to eyes
89. The outdoor privy should be ____ feet from
the ground water source
A.
B.
C.
D.
E.
500
200
150
100
50
90. Which of the following would be a likely
childhood immunization
A.
B.
C.
D.
E.
smallpox immunization
tetanus immunization
pertussis immunization
diptheria immunization
all of the above
91. The most effective bactericidal action is
exhibited [in water purification] by
A.
B.
C.
D.
E.
inorganically combined chlorine
organically combined chlorine
residual chlorine
all the above are equally effective
effectiveness is due to another
faction
92. The most common driving violation in fatal
accidents is
93. What would be your first step in preventing
the spread of typhoid fever from one of your
patients
A. adjust all individuals exposed to the
disease
B. refer the patient to another doctor
C. report cases to the Public Health
Department
D. quarantine patient and members of
the family
E. none of the above steps would be
taken
94. The occupational disease of hazard which
contributes most to the mortality rate is
A.
B.
C.
D.
E.
carcinoma
systemic poisoning
dermatitis
asphyxiation
pneumoconiosis
95. The time elapsing between exposure to
smallpox and the eruption is usually
A.
B.
C.
D.
E.
28 days
21 days
14 days
8 days
5 days
96. The transmission of leprosy is by
A.
B.
C.
D.
E.
infection spread by fecal discharges
arthropid-borne infection
contact infection
air-born infection
droplet infection
97. Brucellosis infection in man may result from
A. going through red lights
B. excessive speed
C. failure to signal a change of
direction
D. failure to observe safety signs
E. none of the above
A. working with the causative
organism in the laboratory
B. accidental innoculation
C. contact with infected animals
D. consumption of infected meat
E. all of the above
98. Of the following diseases, which is not
carried by and insect
A.
B.
C.
D.
E.
filariasis
yellow fever
rocky mountain spotted fever
malaria
tetanus
104. Ascarisis refers to infestation by
A.
B.
C.
D.
E.
threadworms
pinworms
tapeworms
hookworms
roundworms
105. Iodine is most apt to be found in
99. Which of the following is a milk borne
disease
A.
B.
C.
D.
E.
smallpox
gonorrhea
chickenpox
ascariasis
anthrax
100. Dysentery may be caused by the following
protozoan
A.
B.
C.
D.
E.
E. Coli
Leptospira pomona
Entamoeba histolytica
Giardia lamblia
Trypansoma cruzi
A.
B.
C.
D.
E.
adrenal
thyroid
parathyroid
liver
muscle
106. Enzymes are concerned with the synthesis of
proteins associated with the cell’s
A.
B.
C.
D.
E.
ribosomes
mesosomes
chloroplasts
caryosomes
autosomes
107. Certain diseases were proven byeond doubt
to be caused by microscopic organisms by
101. Insect vector involved in anthrax
A.
B.
C.
D.
E.
flea
louse
mite
tick
no insect vector involved
102. How long would you stay in a shelter
following a radioactive explosion
A.
B.
C.
D.
E.
one month
one week
72 hours
48 hours
24 hours
103. A calorie is a unit of
A.
B.
C.
D.
E.
protein content
body energy
heat
vitamin
food stuff
A.
B.
C.
D.
E.
Lister
Jenner
Pasteur
Sloan
Tissot
108. Increasing the concentration of fluoride in
the water above the optimum level would
result
A.
B.
C.
D.
E.
bone deformities
liver degeneration
mottled teeth
decrease in dental caries
epilepsy
109. A type of disease not seen in cattle, but only
in man
A.
B.
C.
D.
E.
dengue
Q fever
Tuberculosis
Brucella
Anthrax
110. Noxious fumes can cause vertebral
subluxations by
A.
B.
C.
D.
E.
excessive cold
renal failure
drowsiness
vascular phenomena
muscle contraction
111. A scientist associated with early studies in
T. B.
A.
B.
C.
D.
E.
Koch
Widal
Jenner
Smith
Leuwenhoek
112. Which is the most effective control of milk
borne disease
A.
B.
C.
D.
E.
vaccination of dairy cattle
evaporation and canning
pasteurization
condensation and sweetening
boiling
113. By pathogenesis one is referring to
A. the progressive reaction of the host
tissue to a disease
B. recognizing symptoms of the
disease
C. reaction of the infective agent to
drugs
D. a serologic typing of the causative
agent
E. the ability of an organism to
prevent disease
114. In agriculture, the principle cause of
accidents is
A.
B.
C.
D.
E.
animals
falling objects
fires
machinery
falls
115. Identify the disease for which a toxoid is
recommended for active immunity
A.
B.
C.
D.
E.
tuberculosis
mumps
diptheria
measles
infectious monocucleosis
116. What does a “hanging drop” procedure
identify
A.
B.
C.
D.
E.
a motile organism
a gram-positive organism
a gram-negative organism
an encapsulated microbe
an acid fast cell
117. For the individual sugar broth fermentation
test what apparatus is used
A.
B.
C.
D.
E.
pour plate
slant tube
gelatin
Durham tube
Wilhelm tube
118. Physiologically, viruses are most closely
related by
A.
B.
C.
D.
E.
bacteria
rickettsia
fungi
mold
yeast
119. The expression “R-S” is used in
bacteriology to describe
A.
B.
C.
D.
E.
staining reaction
monomorphism
colony variation
sporulation
polymorphism
120. Anaerobic methods such as Novy jars would
be used in culturing
A.
B.
C.
D.
E.
strep
staph
salmonella
clostridium
bacillus subtilis
121. The most common food poisoning in the
United States is
A.
B.
C.
D.
E.
staphylococcal
botulis
streptococcal
salmonella
chemical
122. Bacteriophage is defined as
A.
B.
C.
D.
E.
a kind of virus
a fungus
protozoan that destroys bacteria
a pathogen for rabies
bacteria that destroy phagocytes
123. The genus Neisseria has all of the following
characteristics except
A. it tends to be highly resistive to
drying
B. all members have a positive
oxidase test
C. some species are members of
normal flora
D. one species causes gonorrhea
E. one species caused endemic
meningitis
124. Isolation is segregation or limitation of the
activity of
A.
B.
C.
D.
all contacts
infected persons
the household members
all household members and all
intimate contacts
E. all family members
125. What is the principle host fro Leishmania
donovanni
A.
B.
C.
D.
E.
wood tick
rat flea
sand fly
anopheles mosquito
tsetse fly
126. A male college student has pyrexia, sore
throat, lymphadenopathy [dominant in the
cervical region] and general malaise. He
complains of lower back pain over the last
24 hours. His history shows a doctor has
been treating him for a “strep throat” with
penicillin over the past week. The pain only
exacerbates. Another physical causes the
doctor to give a tentative diagnosis of
Guillian-Barre syndrome secondary to
mononucleosis. Why shouldn’t the
penicillin work
A. the type of penicillin used was not
potent enough
B. the dose of penicillin was nonlethal allowing the organism to
make penicillinase
C. the organism involved does not
synthesized cell walls
D. only gram positive bacteria were
involved
E. penicillin makes protoplasts [L
forms] and spheroplasts
127. All are characteristic of spirochetes except
A.
B.
C.
D.
E.
rigid
flexible
parasitic
helocoidal
non-flagellated
128. Which of the following is not associated
with a virus
A.
B.
C.
D.
E.
malaria
influenza
polio
rabies
smallpox
129. Treponema pallidum is the etiological agent
for
A.
B.
C.
D.
E.
typhoid
syphilis
dysentery
diphtheria
salmonella
130. Reproduction of bacteria of the bacillicae is
by
A.
B.
C.
D.
E.
budding
spore formation
cytogenous
longitudinal fission
binary fission
131. For differentiation of the streptococcal
organism, which of the following would be
used
A.
B.
C.
D.
blood agar
citrate agar
glucose agar
none of the above
132. The most frequent and most important route
of infection with the tubercle bacilli in man
is the
A.
B.
C.
D.
E.
skin
respiratory tract
alimentary tract
genitourinary tract
conjunctiva
133. Identify the form of diphtheria in which the
toxin may not be absorbed even though it is
a virulent form
A.
B.
C.
D.
E.
Vincent’s angina
Faucial diphtheria
laryngeal diphtheria
skin diphtheria
nasal diphtheria
134. An acute infection of the bowel associated
with gram negative enteric bacteria,
categorized by frequent passage of stools
containing pus, blood, mucous,
accompanied by abdominal cramps,
tenesmus, malaise and fever is
A.
B.
C.
D.
E.
Q fever
typhus
typhoid fever
bacillary dysentery
tularemia
135. An acute specific infection involving
primarily the ileum, and manifest by profuse
diarrhea, vomiting, muscular cramps,
dehydration, oliguria and collapse,
associated with vibrio which produces
toxins is
A.
B.
C.
D.
E.
shigellosis
brucellosis
plague
cholera
bacillary dysentery
136. The pleomorphic club shaped bacterium
containing Babst-Ernst bodies is
A.
B.
C.
D.
E.
Borrelia vincentii
Brucella abortus
Corynbacterium diphtheria
Streptococcus pyogenes
Staphylococcus aureus
137. Which one of these bacteria is associated
with blue pus
A.
B.
C.
D.
E.
E. Coli
Proteus vulgaris
B. subtilis
Serratia marcecens
Pseudomonas aeroginosa
138. The virus etiology of yellow fever was
revealed by
A.
B.
C.
D.
E.
d’Herelle
Reed
Jenner
Iwanowski
Loeffler
139. Poliomyelitis is caused by a virus that is
considered to be
A.
B.
C.
D.
E.
viscerotropic
pneumotropic
neurotropic
dermotropic
none of the above
140. Which of the following decreased dental
caries in a water supply
A.
B.
C.
D.
E.
preventing bacterial count
lowering bacterial count
introduction of sodium fluoride
neutralizing bacterial toxins
inhibiting growth of pathogenic
bacteria
141. In differentiating Clostridia, how would you
differentiate between C. botulinum and C.
tetani
A.
B.
C.
D.
E.
gram stain characteristics
motility characteristics
acid fast characteristics
method of reproduction
spore [endospore] position on the
cell lining
142. What are T cells
A. lymphocytes primarily noted for
their role in antibody production
B. lymphocytes primarily involved in
phagocytosis
C. lymphocytes associated with cellmediated immunity
D. lymphocytes which are not
involved in immunity
E. lymphocytes that produce humoral
antibodies
143. Smith and Brown’s classification of
Streptococci is base on
A.
B.
C.
D.
saprophytic reaction
hemolytic reaction
fermentation
inocculation test
144. Which of the following organisms gives a
colony of metallic sheen on eosin methylene
blue agar
A.
B.
C.
D.
E.
E. coli
Proteus vulagaris
Salmonell typhi
Clostridium tetani
Klebsiella pneumoniae
145. Plague has its reservoir in rats and is
transmitted by
A.
B.
C.
D.
E.
ticks
mosquitoes
spiders
fleas
rats
146. The primary agent factors in chronic
respiratory disease are
A.
B.
C.
D.
dust particles
molds
dust and chemicals
silicon particles
147. The Ducrey’s bacillus is a causative
organism of
A.
B.
C.
D.
E.
gangrene
yaws
syphilis
pertussis
soft chancre
148. What is the cause of argyria
A.
B.
C.
D.
E.
lead preparations
sulfur derivatives
silver preparations
overexposure to radiation
toxic antibody reaction
149. Anaerobic methods such as gas pack are
used to culture
A.
B.
C.
D.
E.
Streptococcus
Staphyloccus
salmonella
clostridium
Bacillus
150. Identify a type of immunity induced by the
administration of antibodies which have
been formed in another host rather than by
the individual
A.
B.
C.
D.
E.
response immunity
passive immunity
active immunity
individual immunity
conferred immunity
151. The coagulase test may be used to determine
what type of pathogenic organism
A.
B.
C.
D.
E.
Aerobactor
Staphylococci
Neisseria
Shigella
Escherichia
152. The Mantoux test is associated with what
organism
A.
B.
C.
D.
E.
Streptococcus
Staphylococcus
Corynebacterium diphtheria
Mycobacterium tuberculosis
Diplococcus pneumonia
153. Why is tetracycline considered a broad
range antibiotic
A. it kills bacteria for a long time
B. it acts over a wide temperature
range
C. it acts over a wide pH range
D. it kills molds, protozoa and bacteria
E. it kills both gram negative and
gram positive bacteria
157. Bacteriostasis is often accomplished by
A. immobilization of water
B. changing the permeability of the
cell membrane
C. inactivating enzymes
D. dissolving lipids
E. oxidation of vital proteins
158. The phenol coefficient is derived by a
comparison reaction of which of the
following
A.
B.
C.
D.
E.
5% phenol
10% ethanol
20% phenol chloride
water
7% sodium hydroxide
159. Identify a germicidal agent or process which
gradually kills bacteria
A.
B.
C.
D.
E.
heat oven
sterilization
asepsis
disinfectant
autoclave
160. The ASO titer is a serum lab test for
154. How does streptomycin kill bacteria
A. competing with the substrate in a
synthetic pathway
B. inhibiting protein synthesis
C. inhibiting cell wall synthesis
D. acting on the cell membrane
155. Which of the following is the most effective
sterilization method for fluids
A.
B.
C.
D.
E.
pasteurization
dry heat
live steam
steam under pressure
tyndalization
A.
B.
C.
D.
E.
Salmonella antibodies
Staphylococcal antibodies
Shigella antibodies
Streptococcal antibodies
Mycobacterium antibodies
161. Of those bacteria which fix free N2, only
________ is a legume symbiant
A.
B.
C.
D.
E.
Nitrosomonas
Axobacter
Rhizobium
Clostridium pasteuranum
Nitrobacter
162. _________ is an example of zoonosis
156. The strongest drawback to the use of
halogens [CI2, I2] as disinfectants is
because they
A.
B.
C.
D.
are inactivated by organic matter
aren’t long lasting
are very toxic
are only bacteriostatic
A.
B.
C.
D.
E.
gas gangrene
anthrax
pneumococcal pneumonia
tetanus
Hansen’s disease
163. Gram negative intracellular diplococci are
suggestive of an infection involving
A.
B.
C.
D.
E.
Neisseria gonorrhoeae
Diplococcus pneumoniae
Kleps-Loeffler bacillus
Neisseria catarrhalis
Mycobacterium tuberculosis
164. Which of the following sequences of
diseases is arranged in order of increasing
potency of the toxins associated with them
A.
B.
C.
D.
E.
tetanus, botulism, diphtheria
botulism, tetanus, , diphtheria
diphtheria, tetanus, botulism
diphtheria, botulism, tetanus
botulism, diphtheria, tetanus
165. Bacteria multiply mainly by
A.
B.
C.
D.
E.
nuclear division
multiple fission
binary fission
spermatogenesis
sexually
166. Shigella dysenteriae is common to what
organism
A. passes one stage of its life cycle in
certain flies
B. primarily attacks mammals other
than humans
C. attacks hums and other mammals
with equal frequency
D. attacks humans, other mammals
and lower vertebrates
E. attacks only humans
167. Spirochetes are motile organisms. They do
not possess
A.
B.
C.
D.
E.
ribosomes
flagella
a plasma membrane
axial fibers
two of the above
168. When should serum therapy for botulism be
prescribed
A. it is usually started as soon as
possible after the diagnosis is made
B. it is combined with antibiotic
therapy when clostridum is present
C. it is usually delayed until the type
is established
D. is generally is prescribed to reverse
the effects of toxin
169. What does typing of Clostridium botulinum
on the basis of antigenic types of botulinum
toxin produced demonstrate
A. some types cause disease in both
man and animals
B. one antitoxin will neutralize all
types
C. all types are equally dangerous for
man
D. only types A and B are found in
soil
170. What do human cases of anthrax in the
United States generally result from
A. consuming milk from animals with
anthrax
B. contact with asymptomatic cases or
carriers
C. local infection of breaks in the skin
D. inhalation of anthrax spores
E. accidental ingestion of spores from
imported wool
171. The spirochete that causes Weils disease is
A.
B.
C.
D.
E.
Clostridium botulinum
Leptospira icterohemorrhagiae
Trypanosoma gambiense
Leishmani donovani
Mycobacterium
172. The disease often identified as a nonsupporative acute inflammatory
complication of certain streptococci,
characterized by arthritis or carditis, with
residual heart disease as a possible sequel of
carditis
A.
B.
C.
D.
E.
typhus
brucellosis
plague
rheumatic fever
Rocky Mountain spotted fever
173. Psittacosis is a viral condition of birds that
may cause what type of condition in adults
A.
B.
C.
D.
E.
brucellosis
rash over the trunk
rash over the extremities
dysentery
a type of pneumonia
174. All of these are RNA viruses that cause
disease in humans except
A.
B.
C.
D.
herpes
measles
influenza
polio
175. Identify the bacteria which are capable of
living on inorganic matter
A.
B.
C.
D.
E.
parasites
heterotrophs
facultative anaerobes
symbionts
autotrophs
176. Which of the following culture media
techniques would be applicable for the
cultivation of viruses
A.
B.
C.
D.
E.
tissue cultures
slant agar cultures
nutrient broth cultures
overlay plates
fermentation cultures
177. The primary stain used in Gram’s method is
A.
B.
C.
D.
E.
carbol-fuchsin
crystal violet
safranin
methylene blue
methyl violet
178. Diplopia is associated with food poisoning
cause by which of the following organisms
A.
B.
C.
D.
E.
Salmonella
staphylococcus
Clostridium
Shigella
Bordetella
179. Specific inclusion bodies are characteristic
of infections associated with
A.
B.
C.
D.
E.
animal parasites
diplococci
bacilli
viruses
spirilla
180. Which one of the following diseases is
caused by hemolytic streptococci
A.
B.
C.
D.
E.
tuberculosis
scarlet fever
diphtheria
pertussis
pneumonia
181. The poliomyelitis virus most frequently
invades which cells of the CNS
A. motor and premotor cells in the
cerebral cortex
B. neurons in the anterior horn
C. motor cells of the reticular
formation
D. cells of the diencephalons
E. neurons in the posterior horn
182. Hyperplasia and necrosis of Peyer’s patches
during a disease process are caused by the
organism known as Salmonella __________
A.
B.
C.
D.
E.
typhi
choleraesius
enteritidis
foetida
hirschfeldii
183. An animate transmittor of infection is
known as
A.
B.
C.
D.
fomite
vector
host
carrier