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1) VDRL is a________________? a. Slide flocculation test b. Tube flocculation test c. Tube agglutination test d. Latex agglutination test
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2) Secretory piece of IgA is synthesized in______________? a. T-cells b. B-cells c. Lymph nodes d. Mucosal epithelium
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3) Immunoglobulin consists of________________? a. 2 light, 2 heavy chains b. 1 heavy, 2 light chains c. 1 light, 1 heavy chain d. 3 light, 1 heavy chain
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4) The exact part of the antigen that reacts with the immune system is called as_____________? a. Clone b. Epitope c. Idiotope d. Paratope
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5) Phagocytosis enhanced by coating the surface of antigen is called______________? a. Opsonisation b. Chemotaxis c. De coding d. CFT
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6) Immunoglobin, Which is produced first by the fetus in response to infection_______________? a. IgG b. IgA c. IgM d. IgD
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7) Plasmid__________________? a. Involved in multidrug resistance transfer b. Involved in conjugation c. Imparts capsule formation d. Imparts pili formation e. Both A & B
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8) Operation theatres are sterilized by_____________? a. Carbolic acid spraying b. Washing with soap and water c. Formaldehyde fumigation d. ETO gas
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9) Hospital dressing is best disposed by_____________? a. Incineration b. Dumping c. Autoclaving d. Burying
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10) Which of the following organisms are arranged in cubical packets of eight cocci________________? a. Staphylococcus b. Micrococcus c. Sarcina d. Aerococcus
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11) Sporulation occurs in__________________? a. Lag phase b. Log phase c. Stationary phase d. Decline phase
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12) Graft versus host reaction is caused by_________________? a. B-Lymphocytes b. T-lymphocytes c. Monocytes d. Leukocytes
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13) Smith noguchi’s media is used for_______________? a. Salmonella b. Klebsiella c. Spirochetes d. Bacillus
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14) Noguchi’s medium is used for________________? a. Bordetella b. Brucella c. Borrelia d. None of the above
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15) One of the following staining methods is an example of negative staining_______________? a. Gram’s staining b. Fontana’s staining c. India ink preparation d. Zheil-Neilson’s staining
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16) Bacteria with tuft of flagella at one end are called_______________? a. Monotrichate b. Peritrichate c. Bipolar d. Lophotrichate
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17) Exaltation is________________? a. Decreased virulence b. Increased Virulence c. No change d. None
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18) First released immunoglobulin after primary immunization_______________? a. IgD b. IgE c. IgG d. IgM
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19) B.C.G untrue is_____________? a. live vaccine b. T.B vaccine c. Orally administered d. All of the above
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20) Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________? a. using Bacillus stearo thermo philus b. Using non-pathogenic strain of clostridium tetani c. Using chemical indicator d. Using methylene blue
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21) Endotoxins differ from exotoxins in that endotoxins______________? a. are proteins b. are heat labile c. are highly antigenic d. activate complement by the alternate pathway
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22) Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________? a. wall b. nucleus c. membrane d. Capsule
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23) The immediate type of hypersensitivity in which histamine doses not play a major role is______________? a. Urticaria b. Asthma c. Anaphylaxis d. Arthus reaction
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24) The binding site for complement on the IgG molecule is in the________________? a. VL domian b. CL domian c. CH1 domian d. CH2 domian
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25) Secretory Ig is_______________? a. IgA b. IgE c. IgM d. IgD
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26) Serum sickness syndrome is an example of________________? a. Anaphylactic b. Angioneurotic edema c. Cell-mediated immunity d. Systemic arthus reaction
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27) Immunoglobulins ar secreted by______________? a. Macrophages b. Plasma cells c. T-cells d. Neutrophils
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28) A darkfield microscope would be useful in examining blood for_______________? a. Treponema b. Actinomyces c. Streptococcus d. Mycobacterium
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29) Disinfection frees the surface from______________? a. Vegetative forms b. Spore forms c. Both of the above d. None of the above
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30) An example of naturally acquired passive immunity is__________________? a. Hepatitis vaccination b. Gamma globulin injection c. Immune blood transfusion d. Placental transfer of antibodies
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