1. Portion of Immunoglobulin molecule with molecular weight of 50000: H chain J piece Secretary piece L chain 2. H. pylori infection is seen in all except: Gastric lymphoma Fundal gastritis Gastric carcinoma Duodenal ulcer 3. Adenosine deaminase deficiency is seen in the following: Chronic granulomatous disease Nezelofs syndrome Severe combined immuno deficiency syndrome Common variable immuno deficiency syndrome 4. All are true about Widal test except one agglutinins lasts longer and hence is not indicative of recent infection H agglutinins cannot differentiate between types Antibiotic treatment can modify results Baseline titer differ depending on endemicity of the disease 5. For sterilization efficiency determination, the biologic standard used is: B. Fragilis Spores of clostridium tetani Streptococcus pneumonia Spores of harmless bacteria 6. Actinomycosis is caused by: Retrovirus Anaerobic, gram positive, non-acid fast bacteria. Fungus cid fast. Non-motile bacillus 7. Bacteria with tuft of flagella at one end are called Lophotrichate Monotrichate Bipolar Peritrichate 8. Anaphylaxis refers to the Severe reaction resulting from sensitivity to common allergens State of immunity developed by repeated injections of any foreign substance Severe reaction following primary injection of protein solutions Severe reaction followings the injection of protein solutions in a sensitized individual 9. Fungus affecting reticular endothelial system Rhizopus Mucormycosis Histioplasma capsulatum Cryptococcus neoformans 10. The exact part of the antigen that reacts with the immune system is called as Clone Idiotope Epitope Paratope 11. All of the following are potential pathogens of ororpharynx except: N. Meningitides H. influenzae Streptococcus pneumonia E.coli 12. Germ tubes are formed mainly by Candida albicans Candida tropicalis Candida stellatoidea Candida pseudotropicalis 13. All of the following are true about acute infection except: ELISA is useful in Hepatitis B infection Immunofluorescence is useful in detecting influenza infection Specific IgM antibody occurs in acute infection Specific IgM indicates rubella immune status 14. What is sterilization? Deactivate the spores and only pathogenic organism Kills all pathogenic organism Destroying all organism in a given environment Destroying all organism except spores 15. Pleoniorphic’ shape of bacteria signifies: Irregular clusters of bacteria Long rods shaped bacteria Dumb-bell shaped bacteria Non specific shape 16. In poorly controlled Type I diabetes, most common infection is: Rhinosporidiasis Cryptococcus Mucormycosis Histoplasmosis 17. Which of the following is characteristic infection’ caused by Nocardia: Diarrhea Secondary dissemination to liver Brain abscess Colonic diverticulosis 18. Phase contrast microscopy is based on principle of Light attenuation Different reflective indices of object Light scattering Different refractive indices of object 19. Some bacteria get encapsulated to To produce spores To multiply Achieve protection from phagocytosis To increase penetration capacity 20. Rh incompatibility is which type of hyper sensitivity reaction? Type IV Type II Type III Type I Loading … Question 1 of 20
