1. Organism most resistant to sterilization: Mycobacteria Prions Spores Fungus 2. All of the following clinical features are associated with enteroviruses Myocarditis Pleurodynia Hemorrhagic fever Herpangina 3. An advanced diagnostic technique which has been suggested as an alternative to culture methods is: Latex agglutination. Phase contrast microscopy. Direct immunoflurescence. Indirect immunofluorscent microscope assays. 4. Commonest site of extra intestinal amoebiasis is: Brain Lungs Spleen Liver 5. Toxoids are non-antigenic and non-toxic antigenic and non-toxic antigenic and toxic non-antigenic and toxic 6. Bacteria with tuft of flagella at one end are called Bipolar Peritrichate Monotrichate Lophotrichate 7. Benzalkalonium chloride belongs to which category of disinfectants: Biguanides Phenolic compounds Quaternary ammonium compounds Essential oils 8. The component that sensitizes bacteria and virus to UV Irradiation Lipids Inorganic salts Nucleic acid Carbohydrates 9. Most antibodies are produced in the: Thymus and the appendix Spleen and the Lymph nodes Heart and the liver Brain and the meninges 10. Anaphylaxis refers to the Severe reaction following primary injection of protein solutions State of immunity developed by repeated injections of any foreign substance Severe reaction followings the injection of protein solutions in a sensitized individual Severe reaction resulting from sensitivity to common allergens 11. J chain is seen in which immunoglobulin: IgM and IgA IgE IgG and IgM IgD 12. Type I hypersensitivity is caused by: IgA IgE IgD IgG 13. With reference to Bacteroides fragilis the following statement are true except? B.Fragilis is not uniformly sensitive to metronidazole The lipo polysaccharide formed by B.Fragilis is structurally and functionally different from the conventional endotoxin Shock and DIC are common in Bacteroides bacteremia B.Fragilis is the most frequent anaerobe isolated from clinical samples 14. Which of the following enzyme is required to induce the formation of a plasma clot by pathogenic staphylococci Lysozymet Coagulase S-protein Fibrinolystin 15. Which of the following is characteristic infection’ caused by Nocardia: Diarrhea Secondary dissemination to liver Colonic diverticulosis Brain abscess 16. Positive Shick’s test indicates that person is hypersensitive to diphtheria Carrier of diptheria Susceptible to diphtheria Immune to diphtheria 17. Filters used in biological safety cabinets: Seitz filter High efficiency particulate (HEPA) filter Millipore filter Berkfield filter 18. HIV can be detected and confirmed by: Mimic PCR. Polymerase Chain Reaction (PCR). Reverse Transcriptase-PCR. Real Time PCR. 19. Adenosine deaminase deficiency is seen in the following: Nezelofs syndrome Severe combined immuno deficiency syndrome Common variable immuno deficiency syndrome Chronic granulomatous disease 20. What is sterilization? Deactivate the spores and only pathogenic organism Destroying all organism in a given environment Kills all pathogenic organism Destroying all organism except spores Loading … Question 1 of 20
