1. Which of the following statement is not true regarding Chlamydia Trachomatis:Elementary body is metabolically activeIt is biphasicReticulate body divides by binary fissionInside the cell it evades phagolysomeQuestion 1 of 20 2. False about Staphylococcus lugdunensisSusceptible to antimicrobialCauses infection of native valveDoes not produce coagulaseSkin commensalQuestion 2 of 20 3. Which of the following are used in protective vaccines because they retain their antigenicity but have lost their toxicity?MycotoxinsAntitoxinsToxoidsEndotoxinsQuestion 3 of 20 4. Moist heat kills all of the following EXCEPT:SalmonellaBrucellaMycobacteriumCoxiella burnettiQuestion 4 of 20 5. Standard agar recommended for susceptibility tests using antibiotic sensitivity disksCetrimide AgarMueller Hinton AgarPLET AgarCastenada AgarQuestion 5 of 20 6. All of the following statements about Parvovirus B- 19 are true, Except:It is a DNA virus<10% spread by transplacental routeAffects erythroid progenitorsRespiratory route is the primary mode of transmissionQuestion 6 of 20 7. Which of the following is characteristic infection' caused by Nocardia:DiarrheaBrain abscessColonic diverticulosisSecondary dissemination to liverQuestion 7 of 20 8. Which of the following is CORRECT for obligate anaerobic microorgansims in the oral cavity?They are seldom isolated in the laboratory.Only gram-positive organisms are found.They are normal flora and opportunistiThey do not exist in this area.Question 8 of 20 9. All are true about Widal test except oneBaseline titer differ depending on endemicity of the diseaseAntibiotic treatment can modify resultsagglutinins lasts longer and hence is not indicative of recent infectionH agglutinins cannot differentiate between typesQuestion 9 of 20 10. A farmer from the sub-Himalayan region presents with multiple leg ulcers. The most likely causative agent isAspergillusTrichophyton rubrumCladosporiuni speciesSporothrix schenkiiQuestion 10 of 20 11. The most sensitive and rapid test for diagnosis of CMV retinitis isViral antigen detection in vitreousViral isolation from the intraocular fluidViral antibody detection in the blood by ELISANucleic acid detection from the intraocular fluidQuestion 11 of 20 12. Most resistant to antisepticsBacteriaPrionsVirusesSporesQuestion 12 of 20 13. Bacterial capsule is stained byNeisser's stainPonder's stainIndia ink stainAlberts stainQuestion 13 of 20 14. Post streptococcal acute glomerulus nephritis is an example forType III hypersensitivityType II hypersensitivityType I hypersensitivityType IV hypersensitivityQuestion 14 of 20 15. Which cells listed below help to assist other T cells and B cells to express their immune functions?Cytotoxic (killer) T cellsPlasma cellsT helper cellsT suppressor cellsQuestion 15 of 20 16. Sputum can be disinfected by all except:CresolAutoclavingChlorhexidineBoilingQuestion 16 of 20 17. Aerosol spread leading to epidemics is seen in infection withLegionellaMycoplasmaInfluenzaHemophilusQuestion 17 of 20 18. Growth factor needed for SalmonellaB-12CitrateNiacinTryptophanQuestion 18 of 20 19. Gram stained periorbital exudates in severe panophthalmitis with cellulitis in an elderly diabetic shows irregular branching aseptate and broad hyphae. Which of the following is the most likely diagnosis:Apophysomyces spAspergillusCandidaPenci]liumQuestion 19 of 20 20. Anaphylaxis refers to theState of immunity developed by repeated injections of any foreign substanceSevere reaction following primary injection of protein solutionsSevere reaction resulting from sensitivity to common allergensSevere reaction followings the injection of protein solutions in a sensitized individualQuestion 20 of 20 Loading...
