1. Which of these is true about antibodies:IgM is seen in secondary responseSecretory part of IgA is synthesized by plasma cellsIgM is an acute phase reactantIgE mediated delayed hypersensitivityQuestion 1 of 20 2. Phage conversion is required for:All of the aboveDiphtheriaTularemiaGonorrhoeaQuestion 2 of 20 3. IL-1 and TNF - ? during Inflammation are secreted byActivated macrophagesLymphocytesPlasma cellsPlateletsQuestion 3 of 20 4. Under which of the following circumstances does a graft versus host reaction occur?When viable lymphoid cells are present in the graftWhen nonvital tissues are graftedWhen the graft is contaminated with gram- negative microorganismsWhen the recipient and the donor are SyngeneicQuestion 4 of 20 5. All are true about Widal test except oneAntibiotic treatment can modify resultsagglutinins lasts longer and hence is not indicative of recent infectionH agglutinins cannot differentiate between typesBaseline titer differ depending on endemicity of the diseaseQuestion 5 of 20 6. Virus is usually cultured in:Embryonated hen eggsNon embryonated hen eggsSabourouds mediumRogosa blood agarQuestion 6 of 20 7. Which of the following derives its nutrition from dead cellsALL of the aboveBacillus subtilisP. intermediaLegionella pneumophilaQuestion 7 of 20 8. All of the following statements concerning complement are true, except:The proteins are synthesized mainly by the kidneyThese proteins participate in lysis of foreign cells, inflammation, and phagocytosisIt consists of at least 11 different proteinsIt is a collective term for a group of serum proteins that is the primary mediator of antigen-antibody reactionsQuestion 8 of 20 9. Which of the following viral diseases has the LONGEST incubation period?Common coldHerpetic gingivostomatitisRabiesInfluenzaQuestion 9 of 20 10. Stain used for histologic demonstration of candida hyphaeAcridine orangePASCarbol fuschinHematoxylin & EosinQuestion 10 of 20 11. XenograftGrafts taken from one place and replaced in another position in the same individualAnimalGrafts transferred from genetically similar individualsGraft taken and transferred from one species to another speciesQuestion 11 of 20 12. Diagnostic of Rabies -Cowdry A bodyNegri bodiesGuarneri bodiesBollinger bodiesQuestion 12 of 20 13. Which stage of plasmodium vivax is infective for mosquito?SporozoiteTrophozoiteOokineteGametocyteQuestion 13 of 20 14. Vaccination is based on the principle of:AgglutinationPhagocytosisImmunologic MemoryClonal detectionQuestion 14 of 20 15. Farmer's Lung is caused due to exposure toBacillus SubtilisThermoactinomyces SacchariAspergillus FumigatusPenicillium NalgiovensQuestion 15 of 20 16. Blood agar isSimple mediaTransport mediaDifferential mediaEnriched mediaQuestion 16 of 20 17. Microorganisms of which of the following genera are most predominant in the normal oral floraBacillusStreptococcusLactobacillusStaphylococcusQuestion 17 of 20 18. Which cellular organelle listed below contains specialized enzymes whose functions involve hydrogen peroxide?NucleusGolgi complexMicrobodyMitochondriaQuestion 18 of 20 19. Which of the following chemical agents has the broadest antimicrobial spectrum of activity?PhenolGlutaraldehydeLsopropanolEthanolQuestion 19 of 20 20. The medium of choice for growing most fungi isBlood AgarThioglycollet mediumSabourauds agarTissue cultureQuestion 20 of 20 Loading...
