1. Malignant pustule is referred to:Facio-cervical actinomycosisInfected squamous cell carcinomaCutaneous anthraxNone of the aboveQuestion 1 of 20 2. Which of the following is false about clostridium perfringes -Show positive naegler reactionFood poisoning causing strains of cl. perfringes produce heat resistant SporesCl. perfringes is the most common cause of gas gangreneMost important toxin is hyaluronidaseQuestion 2 of 20 3. Which of the following is an acid-fast bacillusMycobacterium bacilliTreponema pallidumALL of the aboveNeisseria gonorrhoeaQuestion 3 of 20 4. For sterilization efficiency determination, the biologic standard used is:B. FragilisStreptococcus pneumoniaSpores of harmless bacteriaSpores of clostridium tetaniQuestion 4 of 20 5. Opacity around colonies of Clostridium perfringens is due to -CytokininTheta toxinLecithinaseDesmotaseQuestion 5 of 20 6. Stain used for histologic demonstration of candida hyphaePASHematoxylin & EosinCarbol fuschinAcridine orangeQuestion 6 of 20 7. Most common cause of Zoonotic Cutaneous Leishmaniasis isL. BrazilensisL. TropicaL. DonovaniL. MajorQuestion 7 of 20 8. An advanced diagnostic technique which has been suggested as an alternative to culture methods is:Phase contrast microscopy.Latex agglutination.Indirect immunofluorscent microscope assays.Direct immunoflurescence.Question 8 of 20 9. Which of the following disinfectant is effective against herpes simplex viruses but NOT rhinoviruses?70% isopropyl alcoholPhenolicsGlutaraldehydesLodophoresQuestion 9 of 20 10. Best method of sterilizing disposable syringes:Gamma raysBoilingHot air ovenUV raysQuestion 10 of 20 11. Organ of locomotion in bacteria isFlagellaFimbriaCapsuleCell wallQuestion 11 of 20 12. Which of the following chemical agents has the broadest antimicrobial spectrum of activity?GlutaraldehydePhenolLsopropanolEthanolQuestion 12 of 20 13. Which of the following is true regarding conjugation in bacteria:Sex pili is necessaryRequires restriction endonucleaseLysis of donor bacteriaTransfer Of double stranded DNA occursQuestion 13 of 20 14. Portion of Immunoglobulin molecule with molecular weight of 50000:L chainJ pieceSecretary pieceH chainQuestion 14 of 20 15. Growth factor needed for SalmonellaCitrateB-12TryptophanNiacinQuestion 15 of 20 16. Bile esculine Agar is used for identification ofStreptococci PyogenesStaphylococcus PyogenesEnterococcus FaecalisPneumococcusQuestion 16 of 20 17. An example of naturally acquired passive immunity is:Immune blood transfusionGamma globulin injectionTetanus immunizationPlacentral transfer of antibodiesQuestion 17 of 20 18. All of the following clinical features are associated with enteroviruses Hemorrhagic feverHerpanginaMyocarditisPleurodyniaQuestion 18 of 20 19. Non treponemal test in syphilisTPHAVDRLFTA-ABSTPIQuestion 19 of 20 20. Group A ?-hemotytic streptococcal infection of the pharynx may be followed in some by:DiphtheriaTyphoid feverSyphilisRheumatic feverQuestion 20 of 20 Loading...