1. The classic opportunistic infection in acquired immune deficiency syndrome is: Apthous stomatitis Tuberculosis Herpetic gingivostomatitis Pneumocystis carinii pneumonia 2. Fungus affecting reticular endothelial system Mucormycosis Rhizopus Histioplasma capsulatum Cryptococcus neoformans 3. Best method of sterilizing disposable syringes: Boiling UV rays Gamma rays Hot air oven 4. Chlamydia causes all of the following except Parotitis Trachoma Pneumonia Mon-gonococcal urethritis 5. Regarding leptospirosis all are true except: It is a zoonosis Humans are accidental hosts of the disease Humans are the end hosts Lice act as reservoirs of disease 6. Which of the following is characteristic infection’ caused by Nocardia: Diarrhea Colonic diverticulosis Brain abscess Secondary dissemination to liver 7. Post streptococcal acute glomerulus nephritis is an example for Type I hypersensitivity Type II hypersensitivity Type IV hypersensitivity Type III hypersensitivity 8. Which organism causes prosthetic valve endocarditis within 60 days of surgery Fungus Streptococcus viridians Staphylococcus epidermis Staphylococcus aureus 9. With reference to Bacteroides fragilis the following statement are true except? The lipo polysaccharide formed by B.Fragilis is structurally and functionally different from the conventional endotoxin B.Fragilis is not uniformly sensitive to metronidazole B.Fragilis is the most frequent anaerobe isolated from clinical samples Shock and DIC are common in Bacteroides bacteremia 10. A protoplast is best described as a bacterial cell Containing a cell wall and a capsule Uniquely sensitive to penicillin Free of cell wall and capsule With a cell wall but free of capsule 11. Which one of the following statement is true regarding pathogenicity of Mycobacteria species? M. Marinum is responsible for tubercular lymphadenopathy M. Kansasii can cause a disease indistinguishable from tuberculosis M. tuberculosis is more pathogenic than M. bovis to t he humans M. Africanum infection is acquired from the environmental source 12. Most resistant to antiseptics Spores Bacteria Prions Viruses 13. Malignant pustule is referred to: Facio-cervical actinomycosis Cutaneous anthrax None of the above Infected squamous cell carcinoma 14. The single most important laboratory test for determining the virulence of staphylococci is Hemolysis of sheep erythrocytes Detection of coagulase Mannitol fermentation The catalase test 15. Which of the following is anaerobic: Klebsiella E.coli Pseudomonas Bacteroides 16. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals: Nails Hair Skin Throat 17. Leprosy bacilli are transmitted from person to person by all except From open sore Discharge from nasal mucosa Through breast milk Through intact skin 18. The type of immunoglobulin most commonly increased in multiple myeloma is IgM IgG IgD IgA 19. New method of sterilizing heat sensitive equipment: UV radiation Non-ionizing radiation Ionizing radiation Plasma sterilization 20. Pleoniorphic’ shape of bacteria signifies: Irregular clusters of bacteria Non specific shape Dumb-bell shaped bacteria Long rods shaped bacteria Loading … Question 1 of 20
