1. IL-1 and TNF - ? during Inflammation are secreted byPlasma cellsActivated macrophagesLymphocytesPlateletsQuestion 1 of 20 2. Which type of pathogens provide the ultimate test for efficacy of sterilization?FungiSpore-formingVirusBacteriaQuestion 2 of 20 3. The medium of choice for growing most fungi isThioglycollet mediumBlood AgarSabourauds agarTissue cultureQuestion 3 of 20 4. Which of the following represents the BEST way to verity heat sterilization?Recording sterilizer pressureUsing a chemical monitorTesting with biological indicatorRecording duration of exposureQuestion 4 of 20 5. Adjuvant given along with antigens are going toincrease toxigenicityreduce the toxigenicityincrease antigenicityreduce the antigenicityQuestion 5 of 20 6. Gram positive cocci which produce greenish colonies when cultured on blood agar, is bile insoluble and does not produce lesions when inoculated intra peritonially in mice, is:PneumococciStreptococcus mitisStaphylococci aureusStreptococcus pyogenesQuestion 6 of 20 7. Penicllin is usually non-toxic to human cells because human cells LACK which of the following?MitochondriaNuclear membranesPeptidoglycansTopoisomerasesQuestion 7 of 20 8. Organism involved in Cysticercosis of oral cavityHook wormEchinococcus granuLosusTaenia soLiumLymphogranuloma venerumQuestion 8 of 20 9. All are true about viruses except:Enveloped virus are more susceptible to environmental conditionsAre obligate intracellular parasitesThe nucleic acid is either RNA or DNADo not show latency between inoculation and diseaseQuestion 9 of 20 10. Serum sickness syndrome is an example ofAngioneurotic edemaCell mediated immunityAnaphylactic shockSystemic arthus reactionQuestion 10 of 20 11. Graft versus host reaction is caused byB-lymphocytesMonocytesLeukocytesT-lymphocytesQuestion 11 of 20 12. In Which of the following organs or tissues are ascending infections common?PeritoneumBoneKidneyHeartQuestion 12 of 20 13. Moist heat kills all of the following EXCEPT:SalmonellaBrucellaCoxiella burnettiMycobacteriumQuestion 13 of 20 14. All of the following agents have polysaccharide capsule related antigen antibody responses, except:Haemophillus InfluenzaBordetella PertusisPneumococcusMeningococcusQuestion 14 of 20 15. Which of the following is MOST resistant to sterilizing conditions?Hepatitis B virusBacterial endosporeMycobacterium tuberculosisOral yeastQuestion 15 of 20 16. Bacteria used in probiotics isE. ColiBifidobacteriumDiphtheriaAllQuestion 16 of 20 17. The antigen-binding site of antibody molecules is localized in theJ- chain.constant regionFc receptorFab fragmentQuestion 17 of 20 18. Which cells listed below help to assist other T cells and B cells to express their immune functions?Cytotoxic (killer) T cellsT helper cellsT suppressor cellsPlasma cellsQuestion 18 of 20 19. The causative agent for Delhi Boil isL. MexicanaL. DonovaniL. BrazilensisL. TropicaQuestion 19 of 20 20. The killing or removal of all microorganisms, including bacterial spores, is called?DisinfectionSterilizationCleaningWipingQuestion 20 of 20 Loading...