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Download Central Committee of Examination Final Exam (First Term 1430 /14
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Central Committee of Examination Final Exam (First Term 1430 /1431 - 2009 /2010) Student Name: Department: Medical Laboratory Academic No.: Level: Two Date: Subject: G. Bacteriology Period: Morning Pages No.: 8 Total marks Total marks in letters Corrected Name in No. by Revised by 55 1 Signature Name Signature Choose The Best Answer: (55 marks) 1-Lowenstein-Jensen media is used for the isolation for: abcd- neisseria gonorrhea mycobacterium tuberculosis haemophilus influenza staphylococcus aureus 2- Hekton-Enteric agar is the selective media for: a- salmonella b- streptococcus c- staphylococcus d- all of the above 3- The selective media for isolation of fungi is: a- S-S agar b- XLD agar c- sabouraud glucose agar d- Hekton-Enteric agar 4- E lek test is done to diagnose: a- streptococcus b- staphylococcus aureus c- clostridium tetani d- corynebacteria diphtheria 5- Gram positive rods with Chinese letter appearance: a- mycobacterium tuberculosis b- corynebacteria diphtheria c- clostridium tetani d- staphylococcus pneumonia 6- All are lactose fermenter except: a- E-COLI b- proteus c- klebsiella d- enterobacter 7- Produce pale colonies on MacConkey’s agar and have tendency to swarm on blood agar: a- salmonella b- shigella c- klebsiella d- proteus 2 8-Lactose fermenter gram negative bacilli with mucoid growth: a- salmonella b- shigella c- klebsiella d- proteus 9-Non lactose fermenter gram negative bacilli produce H2S: a- salmonella b- shigella c- klebsiella d- proteus 10- WIDAL test is done for diagnosis of: a- salmonella b- shigella c- E-coli d- klebsiella 11- The causative agent of enteric fever: a- salmonella b- shigella c- klebsiella d- proteus 12-The most common cause of urinary tract infection: a- E-coli b- salmonella c- shigella d- streptococcus 13- An important cause of diarrhea in infant: a- staphylococcus b- E-coli c- salmonella d- shigella 14- The most common causative agent for peptic ulcer: a- campylobacter b- H-pylori c- V-cholera d- all of the above 15- TCBS is the selective media for isolation of: a- H-pylori b- V-cholera c- E-coli d- H influenza 3 16- The bacteria which cause scarlet fever: a- staphylococcus b- streptococcus c- salmonella d- shigella 17- Antistreptolysin O titer (ASO) is done for the diagnosis of: a- group A streptococcus b- group B streptococcus c- staphylococcus aureus d- staphylococcus albus 18- Loffler’s serum is used for isolation of: a- anthrax b- clostridium c- diphtheria d- T.B 19- Gas gangrene is caused by: a- clostridium tetani b- clostridium botulinum c- clostridium welchii d- non of the above 20- Bacillary dysentery is caused by: a- salmonella b- shigella c- cholera d- all of the above 21- The cause of plague: a- Y-enterocolitica b- Y-pestis c- Y pseudotuberculsois d- non of the above 22-The venereal disease research laboratory test (VDRL|) is done for Diagnosis of: a- T.B b- gonorrhea c- syphilis d- AIDS 23- Treponema palladium is the cause of: a- T.B b- gonorrhea c- syphilis d- AIDS 4 24- All are Prokaryotic cells except: a- Fungi b- Bacteria c - Chlamydia d- Mycoplasma 25- Sciences dealing with studying of microorganisms & their characters: a. hematology b. microbiology c. clinical chemistry d. all of above 26- Type of bacteria have size (250-400nm). a. b. c. d. Rickettsia Chlamydia Mycoplasmas a&c 27- All the following from the essential structure of bacterial cell except a. b. c. d. cell wall plasma cytoplasm Pili 28- Microbiology is essential for ............ of infection disease a. b. c. d. treatment diagnosis prevention all of above 29- ............. caring (O-Ag)Antigen a. b. c. d. capsule cell wall flagella endospores 30- From the type of inclusion granules a. b. c. d. sugar lipid glycogen a,b 31- Mechanism of bacterial reproduction was discovered at a. b. c. d. 1675 1760 1877 1881 5 32- Bacteria grow only in presence of free Oxygen: a. b. c. d. Aerobic bacteria Anaerobic bacteria facultative Anaerobic bacteria Micro-Europhilic bacteria 33- from the heat sterilization a. moist heat b. dry heat c. a&b d. noting 34- Salmonella are: a- Obligatory Aerobic bacteria b- Obligatory Anaerobic bacteria c- Facultative Anaerobic bacteria d- Micro-aerophilic bacteria 35- According to pH, vibrio cholera is a-Osmophilic bacteria b-Basophilic bacteria c- Acidophilic bacteria d-Neutrophilic bacteria 36- Staphylococci are: a- Atrichous bacteria b- Mono-trichous bacteria c- Amphi-trichous bacteria d- Peri-trichous bacteria 37- During replication of DNA, copying errors may occur and this is called a- Conjugation b-Transduction c-Transformation d- Mutation 38- Obligatory Anaerobic bacteria a-grow only in presence of oxygen b-grow only in absence of oxygen c-grow either in presence or absence of oxygen d-grow in presence of oxygen traces and 5 – 10% CO2 39- Neutrophilic bacteria grow well at a- pH b- pH c- pH d- pH 8.5 – 9.0 7.2 – 7.4 5.0 – 5.5 2.5 – 3.0 6 40- The rate of cell death increase and bacterial growth stopped, this is a- Adaptation phase b-Exponential phase . c-Stationary phase. d-Decline Phase 41-Opportunistic pathogens cause disease in case of: a. b. c. d. HIV Immunosuppressive drugs Radiotherapy&Chemotherapy All of them 42-True pathogens: a. b. c. d. Invade the tissue Cause disease Both a&b Non of them 43-Thermophilic bacteria responsible for spoilage of: abcd- pasteralized milk pasteralized water pasteralized food pasteralized soil 44-Dry heat cause ……………… of bacterial protein. abcd- Oxidation Charring Both a,b Non of above 45-According to method of counting of bacteria there are: abcd- Two types of growth carve Three types of growth carve Four types of growth carve One type of growth carve 46-Toxin that capable to cause sever systemic poisoning: abcd- Exotoxin Endotoxin Enterotoxin Protitoxin 47-Enzymes that play roles in bacterial metabolism & pathogenicity: a- Exo-enzymes b- Endo-enzymes c- Both a,b d- neither a nor b 7 48- Fungi are classified morphologically to: a. b. c. d. Yeast Moulds Both a,b Non of above 49-Parasitic roundworms are known as abcd- Trematodes Nematodes Cestodes Protozoa 50-Trichuris trichiura is often found together with abcd- Strongyloids Ascaris Enterobius Trichostrongylus 51-Enterobius vermicularis is very common among abcd- Children Animals Birds Pigs 52-Ova of Schistsoma mansoni are present in abcd- Urine Faeces Blood sample Skin scales 53-Studying of microbiology is highly essential for abcd- Lab. Diagnosis of infectious diseases Treatment of infectious disease Prevention of infectious disease All the above 54-To sterilize fluid damaged by heat: abcd- Gaseous Sterilization Heat Sterilization Filtration Ionizing Radiation 55-Endotoxin is : a. b. c. d. Lipopolysaccharide Protein Lipoprotein Protosaccharide (Good luck) 8