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1) False +ve for VDRL is seen in______________? a. Yaws b. Lepromatous Leprosy c. Malaria d. All of the above
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2) The diagnostic investigation for syphilis is__________________? a. TPI test b. VDRL test c. TPHA test d. FTAB test e. Both C & D
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3) Which organism causes prosthetic valve endocarditis within 60 days of surgery________________? a. Streptococcus Viridans b. Staphylococcus epidermis c. Staphylococcus aureus d. Fungus
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4) What is the transport medium for cholera___________________? a. Tellurite Medium b. Cary Blair Medium c. Venkatraman – Ramakrishnan Medium d. B & C
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5) Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________? a. Bacteroides fragilis b. Fusobacterium nucleatum c. Peptostreptococcus anaerobius d. Actinomyces Israeli e. All of the above
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6) The diagnosis of gonorrhea is established by_____________? a. Compliment fixation tests b. Pili agglutination tests c. Haemagglutination tests d. All of the above tests
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7) Subacute bacterial endocarditis is caused by_____________? a. Streptococcus viridans b. Haemolytic streptococci c. Staphylococcus aureus d. Nisseria
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8) Growth factor needed for Salmonella_________________? a. Tryptophan b. Niacin c. B-12 d. Citrate
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9) Organism most frequently associated with urinary tract infections is_________________? a. Neisseria gonorrhea b. Escherichia coli c. T-strain mycoplasma d. Streptococcus fecalis
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10) Neurotoxin of tetanus acts on______________? a. Synapse b. Muscle c. Brain d. Spinal card
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11) Encapsulation in bacteria helps in__________________? a. Spore formation b. Decreased virulence c. Prevent their phagocytosis d. Oxygen effect
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12) Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces? a. Capsule b. Flagella c. Pili d. Mesosomes
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13) Loss of capsule in bacteria is generally associated with______________? a. Decease in virulence b. Loss of infectivity c. Inability to spread through tissue d. increase in invasiveness
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14) Nagglers reaction is used in the diagnosis of______________? a. Malaria b. Whooping cough c. Gas gangrene d. Wool sorters disease
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15) The commonly used fluorescent dye in the detection of tubercie bacilli________________? a. Acridine orange b. Thioglavin c. Congo red d. Auramine and Rhodamine
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16) Actinomycosis is caused by______________? a. Fungus b. Acid fast, non-motile bacillus c. Anaerobic, gram positive, non-acid fast bacteria. d. Retrovirus
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17) The facultative anaerobic bacteria are those who are_______________? a. Unable to grow in the presence of oxygen b. Unable to grow in the absence of oxygen c. Able to grow in the presence of carbon dioxide d. Able to grow in the presence of absence of oxygen
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18) One of the following is a zoonotic disease_____________? a. Anthrax b. Typhoid c. Bacillary dysentery d. Cholera
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19) Common inhabitant of throat and tonsils is______________? a. Alpha hymolytic streptococci (S. viridans) b. Staphylococci c. Beta hemolytic streptococci d. Pneumococci
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20) Resistance of Staphylococcus aureus is due to ________________________? a. Pleomorphism b. Elaboration of an enzyme that destroy penicillin c. Penicillin analogue production d. Lack of nucleic acid in the cell wall
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21) Malignant pustule is referred to_________________? a. Facio-cervical actinomycosis b. Cutaneous anthrax c. Infected squamous cell carcinoma d. None of the above
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22) The major intestinal pathogens which are non-lactose fermenters are_________________? a. Salmonella b. Klebsiella c. Escherichia d. Paracolons
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23) Inactivated microorganisms are used in the manufacture of which of the following________________? a. Salk vaccine b. Tetanus toxoid c. Sabin’s oral vaccine d. All of the above
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24) which of the following is anaerobic_______________? a. E.coli b. Bacteroides c. Pseudomonas d. Klebsiella
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25) Grape bunch shaped colonies are seen in______________? a. Streptococcus b. Staphylococcus c. E.coli d. Gonococci
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26) Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________? a. Lysozyme b. Fibrinolysin c. Coagulase d. S protein
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27) Bacteria acquire characteristics by all of the following except___________________? a. Though plasmids b. Incorporating part of host DNA c. Through bacteriophages d. through conjugation
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28) Bacteria with potent exotoxin is_______________? a. Clostridium tetani b. Pseudomonas c. Shigella d. Klebsiella
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29) Wasserman test test is diagnostic of__________________? a. Syphilis b. Gonorrhea c. TB d. Tyhoid
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30) Phage conversion is required for________________? a. Tularemia b. Diptheria c. Gonorrhoea d. All o f the above
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