WGU D311 Microbiology 2024 Study For OA
With Questions And Correct Answers
What cis ca ccharacteristic cof crhizospheres? c- ccorrect canswers✔✔The crhizosphere cis
cwhere cplants crelease corganic ccompounds cthat ccan cbe cmetabolized cby cmicrobes
cinto csoil.
Which cenvironment cwould ccontain cmicrobes cthat care cpsychrophilic? c- ccorrect
canswers✔✔Glaciers
What cis cthe crole cof cnematodes cin csoil? c- ccorrect canswers✔✔They cphotosynthesize
cand cfix cnitrogen.
Which ceukaryote cis cresponsible cfor cproducing cantibiotics cto cward coff cbacterial
ccompetitors? c- ccorrect canswers✔✔Fungi
Which csymbiotic crelationship cis can cexample cof cmutualism? c- ccorrect
canswers✔✔The crelationship cbetween chumans cand cthe cEscherichia ccoli ccolonizing
cthe chuman cgut
Which ctype cof csymbiotic crelationship cexists cbetween cthe cEscherichia ccoli c(E. ccoli)
cthat cinhabit cthe chuman cgut cand cthe chumans cwho cutilize cthe cvitamin cK cproduced
cby cE. ccoli? c- ccorrect canswers✔✔Mutualism
Which cdescription cof cresident cmicrobiota cis ctrue? c- ccorrect canswers✔✔Resident
cmicrobiota cconstantly clive con cthe chuman cbody.
Which crelationship cis cexhibited cby cintestinal cEscherichia ccoli cand ctheir chuman
chost? c- ccorrect canswers✔✔Mutualism
Which ctype cof cdisease cis ctransmitted cfrom canimals cto chumans? c- ccorrect
canswers✔✔Zoonotic cdiseases
Which ctype cof cdisease cis cacquired cin chospital csettings? c- ccorrect
canswers✔✔Nosocomial cdiseases
Which cportal cof cexit ccan cexpel cthe cmost cviral cparticles? c- ccorrect
canswers✔✔Respiratory
Which ctype cof cdisease cis csickle ccell canemia? c- ccorrect canswers✔✔Noninfectious
Which ctype cof ctransmission coccurs cwhen ctuberculosis cis cspread cthrough csmall
cparticles cexpelled cby ca ccough? c- ccorrect canswers✔✔Droplet ctransmission
,Which ctype cof ctransmission coccurs cwhen cpathogens care cspread cfrom cmother cto
cchild cduring cbreastfeeding? c- ccorrect canswers✔✔Vertical cdirect ccontact
ctransmission
Which ctype cof ctransmission coccurs cwhen can carthropod ccarries ca cviral cpathogen
cinside cof cits cbody? c- ccorrect canswers✔✔Biological cvector ctransmission
Which ctype cof ctransmission coccurs cthrough ccontact cwith ca cfomite? c- ccorrect
canswers✔✔Indirect ccontact ctransmission
Which cinfected chost cwould cbe cconsidered ca cpassive ccarrier? c- ccorrect
canswers✔✔A chealthcare cprofessional cwho cdoes cnot cwash ctheir chands cafter
cseeing can cinfected cpatient
How cis cGiardia clamblia, cthe ccausative cagent cof cgiardiasis, ctransmitted? c- ccorrect
canswers✔✔Contaminated cfood cor cwater
Which corganism cis cthe cdefinitive chost cof cToxoplasma cgondii? c- ccorrect
canswers✔✔Birds
Which cdisease cis ctransmitted cby canimals cbut cnot carthropods? c- ccorrect
canswers✔✔Rabies
How ccan cadhesins cbe cdescribed? c- ccorrect canswers✔✔Adhesins cfound con cthe
csurface cof cpathogens cbind cto creceptors cof chost ccells.
Which cdescription cindicates ca cportal cof centry? c- ccorrect canswers✔✔Body cfeatures
cthrough cwhich cpathogens ccan center chost ctissue
Pathogens cproduce cproteins cto cprevent cthe cfusion cof cthe cphagosome cand cthe
clysosome c(phagolysosome).Why cdoes cthis cvirulence cfactor cfacilitate cinvasion? c-
ccorrect canswers✔✔It cprevents cthe cexposure cof cpathogens cto clethal cdigestive
cenzymes.
Which caction crefers cto ca csecondary cinfection? c- ccorrect canswers✔✔An cinfection cby
cone cpathogen cenables canother cpathogen cto ccause can cinfection.
What cdifferentiates csigns cfrom csymptoms cof cdisease? c- ccorrect canswers✔✔Signs
care cmeasurable; csymptoms care csubjective.
Which cprocedure cdoes ca cclinician cuse cto cmeasure ca csymptom? c- ccorrect
canswers✔✔Asking cpatients cto crate cpain con ca cnumerical cscale
During cwhich cstage cof can cinfection cdoes ca cpatient cfeel cthe cworst? c- ccorrect
canswers✔✔The cperiod cof cillness cstage
, What cdefines cthe cend cof cthe cincubation cperiod cfor can cinfectious cdisease? c- ccorrect
canswers✔✔The cappearance cof cnonspecific csigns cor csymptoms cof cdisease
How cdoes cthe cepidermis chelp cprevent cinfection cand cdisease? c- ccorrect
canswers✔✔It cprovides ca charsh cenvironment cfor cmost cpathogens cand cperiodically
csheds
How cdoes cthe ccomplement csystem ccontribute cto cthe cinnate cimmune cresponse? c-
ccorrect canswers✔✔It cis ccomposed cof cproteins cthat ccan cbe cactivated cby cthe
cpresence cof cpathogens cto cform cthe cmembrane cattack ccomplex c(MAC).
Why care cantimicrobial cpeptides c(AMPs) cconsidered can cinnate cimmune cfunction? c-
ccorrect canswers✔✔AMPs care cproduced cboth croutinely cand cas ca cresponse cto
cpathogens.
Which cterms crefer cto cmonocytes cwhen cthey cdifferentiate cinto ctissue-specific
cphagocytes? c- ccorrect canswers✔✔Macrophages cand cdendritic ccells
What cis cspecifically cbeing creported cif cthe cCenters cfor cDisease cControl cand
cPrevention creports c10,000 cnew ccases cof cCOVID-19? c- ccorrect
canswers✔✔Incidence
What cis cthe cdifference cbetween cprevalence cand cincidence? c- ccorrect
canswers✔✔Prevalence crefers cto cthe ctotal cnumber cof cinfections; cincidence crefers
conly cto cnew ccases.
Which cterm crefers cto ca cdisease cthat coccurs con ca cworldwide cscale cat ca cgiven
ctime? c- ccorrect canswers✔✔Pandemic
Why care cetiologic cagents csignificant cto cepidemiologists? c- ccorrect
canswers✔✔Etiologic cagents care cthe cpathogens cthat ccause cdisease.
Which ckind cof cdiseases cmust cbe creported cto cthe cCenters cfor cDisease cControl cand
cPrevention cin corder cto cprevent cfuture cpandemics? c- ccorrect canswers✔✔Notifiable
cdiseases
How cdoes cthe cCenters cfor cDisease cControl cand cPrevention c(CDC) cobtain cthe
clatest cdata con ctypical cillnesses cto cpublish cin cthe cMorbidity cand cMortality cWeekly
cReport c(MMWR)? c- ccorrect canswers✔✔Through cmandatory creporting cof cnotifiable
cdisease ccases cby chealthcare cproviders
What ccan ccause can cinfectious cdisease cto cbecome ca creemerging cdisease? c-
ccorrect canswers✔✔The cresponsible cpathogen cbecomes cdrug cresistant.
With Questions And Correct Answers
What cis ca ccharacteristic cof crhizospheres? c- ccorrect canswers✔✔The crhizosphere cis
cwhere cplants crelease corganic ccompounds cthat ccan cbe cmetabolized cby cmicrobes
cinto csoil.
Which cenvironment cwould ccontain cmicrobes cthat care cpsychrophilic? c- ccorrect
canswers✔✔Glaciers
What cis cthe crole cof cnematodes cin csoil? c- ccorrect canswers✔✔They cphotosynthesize
cand cfix cnitrogen.
Which ceukaryote cis cresponsible cfor cproducing cantibiotics cto cward coff cbacterial
ccompetitors? c- ccorrect canswers✔✔Fungi
Which csymbiotic crelationship cis can cexample cof cmutualism? c- ccorrect
canswers✔✔The crelationship cbetween chumans cand cthe cEscherichia ccoli ccolonizing
cthe chuman cgut
Which ctype cof csymbiotic crelationship cexists cbetween cthe cEscherichia ccoli c(E. ccoli)
cthat cinhabit cthe chuman cgut cand cthe chumans cwho cutilize cthe cvitamin cK cproduced
cby cE. ccoli? c- ccorrect canswers✔✔Mutualism
Which cdescription cof cresident cmicrobiota cis ctrue? c- ccorrect canswers✔✔Resident
cmicrobiota cconstantly clive con cthe chuman cbody.
Which crelationship cis cexhibited cby cintestinal cEscherichia ccoli cand ctheir chuman
chost? c- ccorrect canswers✔✔Mutualism
Which ctype cof cdisease cis ctransmitted cfrom canimals cto chumans? c- ccorrect
canswers✔✔Zoonotic cdiseases
Which ctype cof cdisease cis cacquired cin chospital csettings? c- ccorrect
canswers✔✔Nosocomial cdiseases
Which cportal cof cexit ccan cexpel cthe cmost cviral cparticles? c- ccorrect
canswers✔✔Respiratory
Which ctype cof cdisease cis csickle ccell canemia? c- ccorrect canswers✔✔Noninfectious
Which ctype cof ctransmission coccurs cwhen ctuberculosis cis cspread cthrough csmall
cparticles cexpelled cby ca ccough? c- ccorrect canswers✔✔Droplet ctransmission
,Which ctype cof ctransmission coccurs cwhen cpathogens care cspread cfrom cmother cto
cchild cduring cbreastfeeding? c- ccorrect canswers✔✔Vertical cdirect ccontact
ctransmission
Which ctype cof ctransmission coccurs cwhen can carthropod ccarries ca cviral cpathogen
cinside cof cits cbody? c- ccorrect canswers✔✔Biological cvector ctransmission
Which ctype cof ctransmission coccurs cthrough ccontact cwith ca cfomite? c- ccorrect
canswers✔✔Indirect ccontact ctransmission
Which cinfected chost cwould cbe cconsidered ca cpassive ccarrier? c- ccorrect
canswers✔✔A chealthcare cprofessional cwho cdoes cnot cwash ctheir chands cafter
cseeing can cinfected cpatient
How cis cGiardia clamblia, cthe ccausative cagent cof cgiardiasis, ctransmitted? c- ccorrect
canswers✔✔Contaminated cfood cor cwater
Which corganism cis cthe cdefinitive chost cof cToxoplasma cgondii? c- ccorrect
canswers✔✔Birds
Which cdisease cis ctransmitted cby canimals cbut cnot carthropods? c- ccorrect
canswers✔✔Rabies
How ccan cadhesins cbe cdescribed? c- ccorrect canswers✔✔Adhesins cfound con cthe
csurface cof cpathogens cbind cto creceptors cof chost ccells.
Which cdescription cindicates ca cportal cof centry? c- ccorrect canswers✔✔Body cfeatures
cthrough cwhich cpathogens ccan center chost ctissue
Pathogens cproduce cproteins cto cprevent cthe cfusion cof cthe cphagosome cand cthe
clysosome c(phagolysosome).Why cdoes cthis cvirulence cfactor cfacilitate cinvasion? c-
ccorrect canswers✔✔It cprevents cthe cexposure cof cpathogens cto clethal cdigestive
cenzymes.
Which caction crefers cto ca csecondary cinfection? c- ccorrect canswers✔✔An cinfection cby
cone cpathogen cenables canother cpathogen cto ccause can cinfection.
What cdifferentiates csigns cfrom csymptoms cof cdisease? c- ccorrect canswers✔✔Signs
care cmeasurable; csymptoms care csubjective.
Which cprocedure cdoes ca cclinician cuse cto cmeasure ca csymptom? c- ccorrect
canswers✔✔Asking cpatients cto crate cpain con ca cnumerical cscale
During cwhich cstage cof can cinfection cdoes ca cpatient cfeel cthe cworst? c- ccorrect
canswers✔✔The cperiod cof cillness cstage
, What cdefines cthe cend cof cthe cincubation cperiod cfor can cinfectious cdisease? c- ccorrect
canswers✔✔The cappearance cof cnonspecific csigns cor csymptoms cof cdisease
How cdoes cthe cepidermis chelp cprevent cinfection cand cdisease? c- ccorrect
canswers✔✔It cprovides ca charsh cenvironment cfor cmost cpathogens cand cperiodically
csheds
How cdoes cthe ccomplement csystem ccontribute cto cthe cinnate cimmune cresponse? c-
ccorrect canswers✔✔It cis ccomposed cof cproteins cthat ccan cbe cactivated cby cthe
cpresence cof cpathogens cto cform cthe cmembrane cattack ccomplex c(MAC).
Why care cantimicrobial cpeptides c(AMPs) cconsidered can cinnate cimmune cfunction? c-
ccorrect canswers✔✔AMPs care cproduced cboth croutinely cand cas ca cresponse cto
cpathogens.
Which cterms crefer cto cmonocytes cwhen cthey cdifferentiate cinto ctissue-specific
cphagocytes? c- ccorrect canswers✔✔Macrophages cand cdendritic ccells
What cis cspecifically cbeing creported cif cthe cCenters cfor cDisease cControl cand
cPrevention creports c10,000 cnew ccases cof cCOVID-19? c- ccorrect
canswers✔✔Incidence
What cis cthe cdifference cbetween cprevalence cand cincidence? c- ccorrect
canswers✔✔Prevalence crefers cto cthe ctotal cnumber cof cinfections; cincidence crefers
conly cto cnew ccases.
Which cterm crefers cto ca cdisease cthat coccurs con ca cworldwide cscale cat ca cgiven
ctime? c- ccorrect canswers✔✔Pandemic
Why care cetiologic cagents csignificant cto cepidemiologists? c- ccorrect
canswers✔✔Etiologic cagents care cthe cpathogens cthat ccause cdisease.
Which ckind cof cdiseases cmust cbe creported cto cthe cCenters cfor cDisease cControl cand
cPrevention cin corder cto cprevent cfuture cpandemics? c- ccorrect canswers✔✔Notifiable
cdiseases
How cdoes cthe cCenters cfor cDisease cControl cand cPrevention c(CDC) cobtain cthe
clatest cdata con ctypical cillnesses cto cpublish cin cthe cMorbidity cand cMortality cWeekly
cReport c(MMWR)? c- ccorrect canswers✔✔Through cmandatory creporting cof cnotifiable
cdisease ccases cby chealthcare cproviders
What ccan ccause can cinfectious cdisease cto cbecome ca creemerging cdisease? c-
ccorrect canswers✔✔The cresponsible cpathogen cbecomes cdrug cresistant.
