Microbiology Multiple Choice Questions

09 Jun Microbiology Multiple Choice Questions

Question
Sample’microbiology’questions”

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1. It!is!estimated!that!at!least!___of!sexually!active!adults!are!infected!with!genital!HPV!during!their!

lifetime.!

A. 10%!

B. 25%!

C. 40%!

D. 50%!

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2. All!of!the!following!are!true!about!transmission!of!genital!HPV,!except:!

A. Transmission!is!associated!with!sexual!activity.!

B. Transmission!via!fomites!has!been!documented.!

C. Transmission!can!occur!from!asymptomatic!and!subclinical!patients.!

D. Transmission!probably!requires!contact!with!viable!HPV!and!microtrauma!to!

skin/mucous!membranes.!

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3. HPV!types!__!and!___!account!for!more!than!half!of!HPV!types!found!in!genital!cancers.!

A. 6!and!11!

B. 6!and!18!

C. 16!and!18!

D. 11!and!16!

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4. Most!women!infected!with!highRrisk!HPV!types:!

A. Develop!cervical!cancer!

B. Have!normal!Pap!test!results!

C. Have!abnormal!Pap!test!results!

D. Have!genital!warts!

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5. Which!of!the!following!is!the!most!important!risk!factor!associated!with!development!of!cervical!

cancer!precursors!(highRgrade!cervical!cell!changes)!and!cervical!cancer?!

A. Older!age!

B. HighRrisk!HPV!types!

C. Persistence!of!HPV!infection!

D. Immunodeficiency!

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6. If!left!untreated,!visible!warts!may:!

A. Resolve!on!their!own!

B. Remain!unchanged!

C. Increase!in!size!and!number!

D. Any!of!the!above!

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7. Which!factor!should!guide!genital!wart!treatment?!

A. The!preference!of!the!patient!

B. The!available!resources!

C. The!experience!of!the!health!care!provider!

D. All!of!the!above!

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8. Which!of!the!following!is!NOT!a!presentation!of!genital!warts?!

A. Condylomata!acuminata!

B. Smooth!papules!

C. Flat!papules!

D. Keratotic!warts!

E. All!of!the!above!are!presentations!of!genital!warts!

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9. Acetic!acid!evaluation!of!external!genital!warts!is!of!limited!value!because:!

A. It!has!low!sensitivity!(many!false!negatives).!

B. It!has!low!specificity!(many!false!positives).!

C. It!is!not!cost!effective.!

D. All!of!the!above!

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10. Manifestations!of!genital!HPV!infection!include:!!

A. Genital!warts!!

B. Cervical!cell!abnormalities!

C. Anogenital!squamous!cell!cancers!!

D. Respiratory!papillomatosis!!

E. All!of!the!above!

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11. Most!genital!HPV!infections!are!transient!and!have!NO!clinical!manifestations!or!sequelae.!

A. True!

B. False!

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12. Which!HPV!types!usually!cause!cervical!cancer?!

A. LowRrisk!types!

B. HighRrisk!types!

C. Both!lowRrisk!and!highRrisk!types!

D. Neither!lowRrisk!nor!highRrisk!types! !

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13. Diagnosis!of!external!genital!warts!is!usually!made!by:!

A. Visual!inspection!

B. Biopsy!

C. Acetic!acid!evaluation!!

D. HPV!DNA!test!

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14. Cervical!cellular!abnormalities!are!detected!by!which!of!the!following?!

A. Serologic!test!

B. Pap!test!

C. Wet!mount!

D. HPV!DNA!test!

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15. Which!of!the!following!statements!is!true!about!the!treatment!of!genital!warts?!

A. In!most!patients!treatment!does!not!induce!wartRfree!periods.!

B. Current!treatment!decreases!future!transmission.!

C. The!primary!goal!is!removal!of!symptomatic!warts.!

D. Available!therapies!eradicate!infectivity.!

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16. Which!of!the!following!is!true!of!HPV!infection!in!immunodeficient!patients?!

A. Genital!warts!occur!more!frequently.!

B. Genital!warts!are!more!resistant!to!conventional!therapy.!

C. The!occurrence!of!atypical!lesions!(e.g.,!oral!warts)!is!more!likely.!

D. All!of!the!above!

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17. Patient!counseling!and!education!should!cover:!

A. The!nature!of!HPV!infection!

B. Transmission!issues!

C. Risk!reduction!

D. All!of!the!above!

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18. Genital!herpes!is:!

A. A!chronic,!lifeRlong!bacterial!infection!

B. A!chronic,!lifeRlong!viral!infection!

C. A!transient!infection!caused!by!a!protozoal!organism!

D. A!transient!viral!infection!

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19. Which!of!the!following!statements!is!true!about!the!prevalence!and!incidence!of!HSVR2?!

A. At!least!50!million!persons!in!the!U.S.!have!genital!HSV!infection.!

B. Most!people!with!HSVR2!infection!have!not!been!diagnosed.!

C. In!the!general!U.S.!population,!17%!of!adults!aged!14R49!years!have!HSVR2!antibodies.!

D. All!of!the!above!

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20. Which!of!the!following!statements!is!true!about!the!transmission!of!HSV?!

A. The!average!incubation!period!is!10!days.!

B. Likelihood!of!transmission!does!not!change!with!increased!duration!of!infection.!

C. HSV!is!readily!inactivated!by!drying!and!soap!and!water.!

D. Most!sexual!transmission!occurs!while!the!source!contact!case!is!symptomatic.!

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21. In!most!cases!of!sexual!transmission!of!genital!HSV,!the!source!case!is!asymptomatic!at!the!time!of!

transmission.!

A. True!

B. False!

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22. Sexual!transmission!of!genital!herpes!is!less!efficient!from:!

A. Women!to!men!

B. Men!to!women!

C. Transmission!efficiency!is!the!same!from!men!to!women!and!from!women!to!men!

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23. Up!to!__%!of!persons!seropositive!for!HSVR2!antibody!have!NO!clinical!history!of!anogenital!herpes!

outbreaks.!

A. 50!

B. 75!

C. 90!

D. 95!

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24. Which!of!the!following!statements!is!true!about!the!pathogenesis!of!HSV?!

A. Up!to!90%!of!persons!seropositive!for!HSVR2!antibody!have!a!clinical!history!of!

anogenital!herpes!outbreaks.!

B. Most!persons!who!are!seropositive!for!HSVR2!but!report!no!symptoms!still!shed!virus!

from!the!genital!area!intermittently.!

C. HSVR2!is!not!associated!with!HIV!acquisition!or!transmission.!

D. All!herpes!viruses!establish!active!infection!in!specific!target!cells.!

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25. Which!clinical!presentation!is!typical!of!a!primary!first!episode!HSVR2!infection?!

A. No!lesions!or!symptoms,!HSVR1!antibodies!may!or!may!not!be!present,!HSVR2!antibodies!

are!present!

B. Lesions!present,!symptoms!usually!mild,!HSVR1!antibodies!may!or!may!not!be!present,!

HSVR2!antibodies!are!present!

C. Lesions!present,!symptoms!usually!severe,!HSVR1!and!HSVR2!antibodies!are!not!present!

D. Lesions!present,!symptoms!usually!moderate,!HSVR1!antibodies!are!present,!HSVR2!

antibodies!are!not!present! !

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26. In!primary!HSV!infection!without!treatment,!the!median!duration!of!viral!shedding!detected!by!

culture!is:!

A. Approximately!4!days!

B. Approximately!12!days!

C. 5R10!days!

D. 2R4!weeks!

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27. All!of!the!following!are!true!of!asymptomatic!viral!shedding,!EXCEPT:!

A. Asymptomatic!shedding!occurs!in!most,!if!not!all,!HSVR2!seropositive!persons.!

B. Rates!of!asymptomatic!shedding!are!greater!with!HSVR1!than!HSVR2.!

C. Rates!of!asymptomatic!shedding!with!HSVR2!are!highest!in!early!infection!and!decrease!

over!time.!

D. The!most!common!sites!of!asymptomatic!shedding!are!the!vulva!and!the!perianal!area!

in!women!and!penile!skin!and!the!perianal!area!in!men.!

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28. Which!of!the!following!is!true!about!aseptic!meningitis,!a!complication!of!genital!herpes!infection?!

A. It!is!more!common!in!women!than!men.!

B. It!is!more!common!with!HSVR1!than!HSVR2!infection.!

C. It!is!more!common!in!recurrent!than!primary!infection.!

D. It!generally!has!severe!neurologic!sequelae.!

Sample’microbiology’questions”

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29. Which!of!the!following!factors!can!affect!the!severity!and!frequency!of!clinical!manifestations!and!

recurrence!rates!of!genital!herpes!infection?!

A. Viral!type!

B. Immune!status!of!the!host!

C. Gender!

D. All!of!the!above!

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30. Which!of!the!following!statements!describes!nonRprimary!first!episode!HSV!infection?!

A. First!infection!ever!with!either!HSVR1!or!HSVR2!

B. Disease!is!milder!than!recurrent!disease’!

C. No!serum!antibody!present!when!symptoms!appear!

D. Newly!acquired!infection!with!HSVR1or!HSVR2!in!an!individual!previously!seropositive!to!

the!other!virus!

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31. Primary!infection!with!HSV!without!treatment!lasts:!

A. 3R4!days!

B. 5R7!days!

C. 10R12!days!

D. 2R4!weeks!

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32. Which!of!the!following!statements!is!true!about!recurrent!infection!without!treatment?!

A. Duration!is!shorter!than!primary!infection.!

B. HSVR1!infection!is!much!more!likely!to!recur!than!HSVR2.!

C. There!are!usually!systemic!symptoms!associated!with!the!recurrent!infection.!

D. HSVR2!will!recur!slightly!more!frequently!and!after!a!shorter!period!of!time!in!women!

than!in!men.!

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33. Which!of!the!following!statements!is!true!about!asymptomatic!viral!shedding?!

A. Most!HSVR2!is!not!transmitted!during!asymptomatic!shedding.!

B. Rates!of!asymptomatic!shedding!in!HSVR2!seropositive!persons!do!not!change!over!time.!

C. Presence!of!serum!antibody!to!HSVR1!seems!to!decrease!rates!of!asymptomatic!

shedding!with!HSVR2.!

D. !Antiviral!suppressive!therapy!completely!eradicates!shedding.!

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34. Which!of!the!following!tests!should!NOT!be!relied!upon!for!HSV!diagnosis?!

A. TypeRspecific!serology!

B. Antigen!detection!

C. Tzanck!smear!

D. PCR!assay!

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35. TypeRspecific!serologic!tests!are!recommended!for!all!of!the!following!reasons!EXCEPT:!

A. To!confirm!clinical!diagnosis!

B. To!diagnose!unrecognized!infection!

C. To!screen!for!HSVR1!or!HSVR2!infection!in!the!general!population!

D. To!manage!sex!partners!of!persons!with!genital!herpes!

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36. All!of!the!following!are!true!of!herpes!in!pregnancy,!EXCEPT:!

A. The!risk!for!transmission!from!infected!mother!to!neonate!is!30%R50%!in!women!who!

acquire!genital!herpes!near!the!time!of!delivery.!

B. The!risk!for!transmission!from!infected!mother!to!neonate!is!<1%!in!women!with! histories!of!recurrent!genital!herpes!or!who!acquire!genital!HSV!during!the!first!half!of! pregnancy.! C. Most!specialists!recommend!that!women!with!recurrent!genital!herpetic!lesions!at!the! onset!of!labor!be!delivered!by!cesarean!section.! D. Most!specialists!recommend!that!women!with!histories!of!recurrent!genital!herpes!who! have!no!symptoms!or!signs!of!genital!herpes!or!its!prodrome!at!the!onset!of!labor!be! delivered!by!cesarean!section.! ! 37. Asymptomatic!sex!partners!of!persons!diagnosed!with!genital!herpes!should!be:! A. Questioned!concerning!histories!of!genital!lesions! B. Informed!that!they!might!be!infected!with!HSV!even!if!they!have!not!previously! recognized!any!symptoms! C. Offered!typeRspecific!serologic!testing!for!HSV!infection! D. All!of!the!above! ! 38. Patients!with!genital!herpes!should!be!informed!that:! A. Sexual!transmission!of!HSV!can!occur!during!asymptomatic!periods.! B. Stressful!events!may!trigger!recurrences.! C. The!frequency!of!outbreaks!generally!decreases!with!increasing!duration!of!the! infection.! D. All!of!the!above! ! 39. Which!of!the!following!is!true!of!the!relationship!between!HSV!and!HIV!infection?! A. Genital!ulcers!have!no!effect!on!the!risk!of!HIV!transmission!and!acquisition.! B. Lesions!caused!by!HSV!are!uncommon!in!HIVRinfected!persons.! C. In!coRinfected!persons,!suppressive!antiherpetic!therapy!has!been!shown!to!decrease! plasma!HIV!viral!load!and!genital!and!rectal!HIV!shedding.!! D. All!of!the!above! ! 40. Patient!education!should!include!all!of!the!following,!EXCEPT:! A. HSV!can!be!transmitted!sexually!during!asymptomatic!periods.! B. The!frequency!of!outbreaks!generally!decreases!with!increasing!duration!of!infection.! C. Sex!partners!of!infected!persons!are!unlikely!to!be!infected!if!they!do!not!have! symptoms.! D. Risks!of!neonatal!infection!should!be!explained!to!women!and!men.! Sample'microbiology'questions'' ! 7! ! 41. Patients!with!genital!herpes!should!be!advised!to:! A. Abstain!from!sexual!activity!with!uninfected!partners!when!prodromal!symptoms!are! present.! B. Inform!their!obstetric!providers!of!their!HSV!status,!if!they!are!women!who!are!pregnant! or!childRbearing!age.! C. Inform!future!sex!partners!that!they!have!genital!herpes!before!initiating!a!sexual! relationship.! D. All!of!the!above! ! 42. Which!of!the!following!types!of!vaginitis!occurs!most!frequently?! A. Bacterial!vaginosis! B. Candidiasis! C. Trichomoniasis! D. Atrophic!vaginitis! ! 43. Which!of!the!following!best!describes!the!signs!and!symptoms!of!trichomoniasis!in!women?! A. Foul!fishy!odor,!and!thick!clumpy!white!vaginal!discharge! B. Malodorous,!frothy!yellowRgreen!vaginal!discharge! C. Dysuria,!and!thin!milkyRwhite!vaginal!discharge! D. None,!the!condition!is!asymptomatic!in!women.! ! 44. Which!of!the!following!statements!is!NOT!true!about!Trichomonas+vaginalis?!! A. Fomite!transmission!is!frequent.! B. Sexual!transmission!is!frequent.! C. Sex!partners!should!be!treated.! D. Patients!are!considered!cured!when!patients!and!partners!have!been!treated!and!are! asymptomatic.! ! 45. The!usual!method!of!trichomoniasis!diagnosis!is:!! A. Vaginal!pH! B. KOH!“whiff”!test! C. Motile!trichomonads!seen!on!a!saline!wet!mount! D. Pap!smear! ! 46. !Most!cases!of!candidiasis!are!caused!by:! A. C.+albicans!! B. C.+glabrata!! C. C.+parapsilosis! D. T.+vaginalis! ! 47. !Which!of!the!following!best!describes!the!signs!and!symptoms!of!candidiasis!in!women?! A. External!dysuria,!pruritis,!!and!thick,!clumpy!white!vaginal!discharge! B. Foul!fishy!odor,!frothy!yellowRgreen!vaginal!discharge! C. Malodorous!and!thin!milkyRwhite!vaginal!discharge! D. None,!the!condition!is!asymptomatic!in!women.! Sample'microbiology'questions'' ! 8! ! 48. The!preferred!method!for!candidiasis!diagnosis!is:! A. KOH!“whiff”!test! B. Culture! C. KOH!wet!mount! D. Pap!smear! ! 49) Which!of!the!following!is!NOT!a!determinant!of!viral!disease?! A. Target!tissue!! B. Portal!of!entry!of!virus!! C. Access!of!virus!to!target!tissue!! D. Tissue!tropism!of!virus!! E. Permissiveness!of!cells!for!viral!replication!! ! 50) The!potential!outcomes!of!a!viral!infection!of!a!cell!are:! A. Failed!infection!(abortive!infection).!! B. Cell!death!(lytic!infection).!! C. Replication!without!cell!death!(persistent!infection).!! D. All!of!the!above! ! 51) Which!of!the!following!cells!VZV!does!NOT!infect?! A. Epithelial!cells! B. Fibroblasts! C. T!cells! D. Neurons! E. B!cells! ! 52) Which!of!the!following!statements!about!Rhinoviruses!is!NOT!true?! A. The!most!important!cause!of!the!common!cold!and!upper!respiratory!tract!infections! B. Infections!are!selfRlimited,!however,!and!do!not!cause!serious!disease! C. Are!able!to!replicate!in!the!gastrointestinal!tract! D. Infection!can!be!initiated!by!as!little!as!one!infectious!viral!particle! E. Infected!cells!release!bradykinin!and!histamine,!which!cause!a!"runny!nose"!! ! 53) Select!the!INCORRECT+statement:! A. Minor!antigenic!changes!resulting!from!mutation!of!the!HA!and!NA!genes!are!called! antigenic!drift.!! B. Major!antigenic!changes!(antigenic!shift)!result!from!the!reassortment!of!genomes.! C. Antigenic!shift!occurs!only!with!the!Influenza!A!virus.!! D. Hemagglutinin!glycoprotein!is!the!viral!attachment!protein!and!fusion!protein;!it!elicits! neutralizing,!protective!antibody!responses.! E. Influenza!B!infects!humans,!mammals,!and!birds!(zoonosis)! !!!!! ! Sample'microbiology'questions'' ! 9! ! 54) Select!the!INCORRECT+combination:! A. JC!virus!(progressive!multifocal!leukoencephalopathy)/immunosuppressed!people! B. Measles!variant!/subacute!sclerosing!panencephalitis! C. Prion!/encephalopathy! D. Human!immunodeficiency!virus!/paraplegia! E. Human!TRcell!lymphotrophic!virus!1!/tropical!spastic!paraparesis! 55. Select!the+INCORRECT!statement!about!the!disease!mechanisms!of!parainfluenza!viruses:! A. Four!serotypes!of!the!virus! B. Contagion!period!follows!symptoms! C. Does!not!cause!viremia!or!become!systemic! D. Disease!includes!coldRlike!symptoms,!bronchitis,!and!croup! E. Immunity!is!lifelong! ! 56. The!physiological!and!structural!characteristics!of!HIV!are!EXCEPT:! A. HIV!consists!of!2!identical!strands!of!RNA! B. Enzymes!packaged!in!a!coneRshaped!core! C. Core!has!p24!capsid!protein!surrounded!by!p17!protein!matrix! D. Lipoproteins!membrane!envelope! ! 57. Most!common!parasitic!infections!include!all!EXCEPT:! A. Giardiasis! B. Cryptococcus!! C. Cyclosporiasis! D. Amebiasis! E. Ascariasis! ! 58. The!general!features!of!fungi!include!all!of!the!following!EXCEPT?! A. Eukaryotes! B. Unicellular!or!multicellular! C. Thick!lipid!cell!wall!! D. Exist!as!yeasts!or!molds! E. Ubiquitous! ! 59. Which!of!the!following!is!NOT+a!morphologic!characteristic!of!Candida!spp.?! A. Oval!shape! B. YeastRlike!forms! C. Produce!buds!or!blastoconidia! D. C.!albicans!forms!germ!tubes!and!terminal!thickRwalled!chlamydoconidia! E. All!produce!pseudohyphae!and!true!hyphae! !!!!!!! Sample'microbiology'questions'' ! 10! ! 60. Select!the!INCORRECT!combination:! A. The!antiviral!drugs!amantadine!and!rimantadine!inhibit!an!uncoating!step!and!target!the! M2!protein!for!which!influenza!virus/!Influenza!A! B. Unlike!most!RNA!viruses,!transcription!and!replication!of!the!genome!occur/Nucleus! C. Minor!antigenic!changes!resulting!from!the!mutation!of!the!HA!and!NA!genes/Antigenic! shift! D. Systemic!symptoms!of!influenza!A!and!B!viruses/IFN! E. Antibody!is!important!for!future!protection!against!infection!of!influenza!and!is!specific! for!defined!epitopes/HA!and!NA!proteins! ! 61. What!is!NOT!a!general!feature!of!EB!virus?! A. Infects!liver!tissue!and!gall!bladder! B. By!midRlife!90R95%!of!people!are!infected! C. Most!cases!are!asymptomatic! D. Causes!infectious!mononucleosis! ! 62) Characteristic!signs!and!symptoms!of!measles!are:! A. Cough,!conjunctivitis,!coryza! B. Photophobia! C. Appearance!of!Koplik!spots!and!rash! D. Subacute!sclerosing!panencephalitis!(SSPE).! E. All!of!the!above! !! 63) Select!the!INCORRECT!statement:! A. Dimorphic!fungi!usually!change!from!a!multicellular!mould!form!in!the!natural! environment!to!a!budding!singleRcelled!yeast!form!when!causing!infection.! B. Primary!pathogens!are!not!capable!of!initiating!infection!in!a!normal,!apparently! immunocompetent!host.!! C. Fungi!are!versatile,!the!same!species!can!be!both!freeRliving!in!the!external! environment!and!cause!disease,!and!thus!there!is!always!a!plentiful!reservoir!of! infection.!! D. Fungi!are!distinct!from!plants!and!animals,!have!a!thick!chitinRcontaining!cell!wall,! and!grow!as!filaments!(hyphae)!or!singleRcelled!yeasts! E. Opportunistic!fungi!may!exist!as!benign!colonizers!or!as!environmental!saprobes! and!only!cause!serious!infection!when!there!is!a!breakdown!of!host!defenses.! !!! 64) Select!the!INCORRECT+statement!about!fungi!causing!superficial!mycoses:! A. Agents!of!superficial!mycoses!are!fungi!that!colonize!the!keratinized!outer!layers!of! the!skin,!hair,!and!nails.!! B. Infections!due!to!these!organisms!elicit!host!immune!response!and!are!destructive! and!thus!cause!lots!of!symptoms.! C. They!are!usually!of!cosmetic!concern!only!and!are!easy!to!diagnose!and!treat.!! D. Pityriasis!versicolor!is!a!common!superficial!fungal!infection!that!is!seen!worldwide! E. It!is!caused!by!the!lipophilic!yeast!Malassezia+furfur.!! Sample'microbiology'questions'' ! 11! ! ! 65) Which!of!the!following!is!NOT!among!the!main!subcutaneous!fungal!infections?! A. Lymphocutaneous!sporotrichosis!! B. Chromoblastomycosis!! C. Actinomycotic!mycetomas!! D. Subcutaneous!zygomycosis!! E. Subcutaneous!phaeohyphomycosis!! 66. Ticks,!fleas,!lice,!and!mites!that!attach!or!burrow!into!the!skin!and!remain!there!for!relatively!long! period!of!time!are!referred!to!as:! A. Ectoparasites! B. Endoparasites! C. Helminthes! D. Parasites! ! 67. Travelers!may!acquire!parasitic!illnesses!through!all!of!the!following!EXCEPT:! A. Ingestion!of!contaminated!food!! B. Ingestion!of!contaminated!water! C. Inhalation!of!polluted!air! D. By!vectorRborne!transmission! E. Through!personRtoRperson!contact! ! 68. Which!of!the!following!is!NOT!among!the!most!common!parasitic!infections?! A. Giardiasis! B. Cryptococcosis!! C. Cyclosporiasis! D. Amebiasis! E. Ascariasis! ! 69. Some!parasites!can!be!bloodRborne.!!This!means!that:! A. The!parasite!sometimes!can!be!found!in!the!bloodstream!of!infected!people! B. The!parasite!might!be!spread!to!other!people!through!exposure!to!infected!blood! C. The!parasite!is!hematogenous! D. The!parasite!is!endogeneous! E. Both!A!and!B!are!correct! ! 70. What!bloodRborne!parasitic!disease!that!U.S.!blood!banks!do!NOT!screen!for?! A. Chagas!Disease!! B. African!trypanosomiasis! C. Babesiosis! D. Malaria! ! 71. Which!of!the!following!is!NOT!an!example!of!neglected!tropical!diseases!(NTD’s)?! A. Lymphatic!filariasis! B. Leprosy! C. Mucormycosis! D. Onchocerciasis! E. Guinea!worm! Sample'microbiology'questions'' ! 12! ! ! 72. Which!of!the!following!does!NOT+belong!to!the!group!of!worms?! A. Flat! B. Ring! C. Thornyheaded!! D. Round! ! 73. Select!the!INCORRECT+combination!about!the!protozoa!that!are!infectious!to!humans:! A. Sarcodina!–!ameba! B. Mastigophora!–!move!with!pesudopods! C. Ciliophora!–!ciliates! D. Sporozoa!–!organisms!whose!adult!stage!is!not!motile! ! 74) All!of!the!following!can!be!transmitted!by!recreational!(i.e.,!swimming)!water!resources!EXCEPT:! A. Amoebic!dysentery! B. Cholera! C. Giardiasis! D. Hepatitis!B! E. Cryptosporidiosis! ! 75) Which!of!the!following!viruses!is!NOT+associated!with!human!cancers?! A. Human!papilloma!virus! B. EpsteinRBarr!virus!! C. Hepatitis!A!virus! D. Hepatitis!C!virus! E. All!of!the!above!