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  • BIOD 171 Microbiology
  • BIOD 171 Microbiology
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MODULE 5 EXAM - BIOD171 MICROBIO Questions and Answers

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MODULE 5 EXAM - BIOD171 MICROBIO Questions and Answers

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MODULE 5 EXAM - BIOD171 MICROBIO
Questions and Answers
TheAconceptAofAtreatingAallAsamples,AwhetherAknownAorAunknown,AasApotentiallyAhazardousA(orA
pathogenic)AmaterialsAisAknownAasA_____.A-ACORRECTAANSWERSA-universalAprecautions
ListAatAleastA3AobservationsAaAresearchersAwouldAbeAsureAtoAnoteAwhileAassessingAanAunknownAmi
crobialAsample.A-ACORRECTAANSWERSA-
sizeAandAshape,Amotility,AgramAstatus,AcolorAchange,AchemicalAreactions
WhileAobservingAanAunknownAsampleAofAlimitedAamounts,AaAresearcherAmustAdetermineAmotilityA
andAGramAstatusAusingAtheAsameAsample.AWhatAwouldAyouAdetermineAfirstAandAwhy?A-
ACORRECTAANSWERSA-

MotilityAbecauseAGramAstainingArequiresAtheAsampleAbeAfixedAwhichAwouldAkillAtheAorganismA
andAthenAyouAcan'tAobserveAmotility
aAFacultativeAanaerobeAisAaAmicroorganismAcapableAofAgrowthAunderAwhatAconditions?A-
ACORRECTAANSWERSA-

AAmicroorganismAcapableAofAgrowthAunderAaerobicAandAanaerobicAconditions
asAstreptococcusAisAcatalaseAnegativeAwouldAitAthriveAorAdieAinAtheApresenceAofAperoxides?AWhy?A
-ACORRECTAANSWERSA-
strepAwouldAnotAsurviveAinAtheApresenceAofAperoxidesAb/cAitAisAunableAtoAbreakdownAperoxides
strepAisAmostAoftenAstreakedAonto:A

1.)AchocolateAagarA
2.)AEMBAagar
3.)ABloodAagarA
4.)ASpiritAblueAagarA-ACORRECTAANSWERSA-bloodAagar
TrueAorAfalse:AtheALancefieldAgroupsAareAusedAtoAsubdivideAantigenicAgroupsAofAalpha-
hemolyticASteptococcusA-ACORRECTAANSWERSA-false
TheAdistinctionsAforALancefieldAgroupingsAlieAinAitsA-ACORRECTAANSWERSA-
CarbohydrateAcompositionAofAantigens
leftAuntreated,AstrepAthroatAcanAprogressAto___,AwhichAdisplaysA___AhemolyticAactivity.A-
ACORRECTAANSWERSA-RheumaticAfeverA;Abeta

RheumaticAfeverAdisplaysA(blank)AhemolyticAactivityAandAoccursAwhenA(blank)AisAleftAuntreatedA-
ACORRECTAANSWERSA-Beta,Astrep

TrueAorAfalse:AunderAmostAcircumstances,AstaphylococcusAcanAbeAfoundAinA~80%AofAtheAhumanAp
opulationAwhereAitAremainsAnon-symptomaticA-ACORRECTAANSWERSA-false
DefineAcommensalAbacteriaA-ACORRECTAANSWERSA-
ItAneitherAharmsAnorAbenefitsAfromAtheAhostAfromAwhichAitAobtainsAnutrients
pathogenAsuppressesAhostAimmuneAsystemAsoAitAcanAcontinueAreplicatingA-
ACORRECTAANSWERSA-evasion

pathogenApassesAthroughAorAbetweenAcellsAtoAaccessAdeeperAtissuesAandAnutrientsA-
ACORRECTAANSWERSA-infection

pathogenAisApassedAtoAanotherAhostAtoArestartAlifecycleA-ACORRECTAANSWERSA-transmission
MatchAtheAfollowingAdiseasesAwithAtheirArespectiveAsymptoms:A

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