Microbiology Final Review GCU
assessment test with complete
solutions
A ncompound nsynthesized nby nbacteria nor nfungi nthat ndestroys nor ninhibits nthe
ngrowth nof nother nmicrobes nis na/an
A) nsynthetic ndrug n
B) nantibiotic n
C) nantimicrobic ndrug n
D) ncompetitive ninhibitor n- n ncorrect nanswer- nB) nantibiotic
Drugs nthat nprevent nthe nformation nof nthe nbacterial ncell nwall nare n
A) nquinolones n
B) nbeta-lactams n
C) ntetracyclines n
D) naminoglycosides n- n ncorrect nanswer- nB) nbeta-lactams
Sulfonamide ndrugs ninitially ndisrupt nwhich nprocess? n
A) nfolic nacid nsynthesis n
B) ntranscription n
C) nPABA nsynthesis n
D) nprotein nsynthesis n- n ncorrect nanswer- nA) nfolic nacid nsynthesis
Microbial nresistance nto ndrugs nis nacquired nthrough n
A) nconjugation
B) ntransformation n
C) ntransduction n
D) nall nof nthese n- n ncorrect nanswer- nD) nall nof nthese
R nfactors nare n______ nthat ncontain na ncode nfor n______. n
A) ngenes, nreplication n
B) nplasmids, ndrug nresistance n
C) ntransposons, ninterferon n
D) nplasmids, nconjugation n- n ncorrect nanswer- nB) nplasmids, ndrug nresistance
When na npatient's nimmune nsystem nbecomes nreactive nto na ndrug, nthis nis nan
nexample nof n
A) nsuperinfection n
,B) ndrug nresistance n
C) nallergy n
D) ntoxicity n- n ncorrect nanswer- nC) nallergy
An nantibiotic nthat ndisrupts nthe nnormal nflora ncan ncause n
A) nthe nteeth nto nturn nbrown n
B) naplastic nanemia n
C) na nsuperinfection n
D) nhepatotoxicity n- n ncorrect nanswer- nC) na nsuperinfection
Most nantihelminth ndrugs nfunction nby n
A) nweakening nthe nworms nso nthey ncan nbe nflushed nout nby nthe nintestine n
B) ninhibiting nworm nmetabolism n
C) nblocking nthe nabsorption nof nnutrients n
D) ninhibiting negg nproduction n- n ncorrect nanswer- nA) nweakening nthe nworms nso
nthey ncan nbe nflushed nout nby nthe nintestine
An nexample nof nan nantiviral ndrug nthat ncan nprevent na nviral nnucleic nacid nfrom
nbeing nreplicated nis n
A) nazidothymidine n
B) nacyclovir n
C) namantadine n
D) nboth na nand nb n- n ncorrect nanswer- nD) nboth na nand nb
Which nof nthe nfollowing neffects ndo nantiviral ndrugs nnot nhave? n
A) nkilling nextracellular nviruses n
B) nstopping nvirus nsynthesis n
C) ninhibiting nvirus nmaturation n
D) nblocking nvirus nreceptors n- n ncorrect nanswer- nA) nkilling nextracellular nviruses
Which nof nthe nfollowing nmodes nof naction nwould nbe nmost nselectively ntoxic? n
A) ninterrupting nribosomal nfunction n
B) ndissolving nthe ncell nmembrane n
C) npreventing ncell nwall nsynthesis n
D) ninhibiting nDNA nreplication n- n ncorrect nanswer- nC) npreventing ncell nwall
nsynthesis
The nMIC nis nthe n______ nof na ndrug nthat nis nrequired nto ninhibit ngrowth nof na
nmicrobe. n
A) nlargest nconcentration n
B) nstandard ndose n
C) nsmallest nconcentration n
D) nlowest ndilution n- n ncorrect nanswer- nC) nsmallest nconcentration
An nantimicrobic ndrug nwith na n______ ntherapeutic nindex nis na nbetter nchoice nthan
none nwith na n______ ntherapeutic nindex. n
A) nlow, nhigh n
B) nhigh, nlow n- n ncorrect nanswer- nB) nhigh, nlow
,Which nstatement nis nnot nan naim nin nthe nuse nof ndrugs nin nantimicrobial
nchemotherapy? nThe ndrug nshould: n
A) nhave nselective ntoxicity n
B) nbe nactive neven nin nhigh ndilutions n
C) nbe nbroken ndown nand nexcreted nrapidly n
D) nbe nmicrobicidal n- n ncorrect nanswer- nC) nbe nbroken ndown nand nexcreted
nrapidly
A nmicrobicidal nagent ndoes nwhat? n
A) nkills nspores n
B) ninhibits nmicroorganisms n
C) nis nineffective nagainst nviruses n
D) ndestroys nmicrobes n- n ncorrect nanswer- nD) ndestroys nmicrobes
Microbial ncontrol nmethods nthat nkill n______ nare nable nto nsterilize. n
A) nviruses n
B) nthe ntubercle nbacillus n
C) nendospores n
D) ncysts n- n ncorrect nanswer- nC) nendospores
Any nprocess nthat ndestroys nthe nnon-spore-forming ncontaminants non ninanimate
nobjects nis n
A) nantisepsis n
B) ndisinfection n
C) nsterilization n
D) ndegermation n- n ncorrect nanswer- nB) ndisinfection
Sanitization nis na nprocess nby nwhich n
A) nthe nmicrobial nload non nobjects nis nreduced n
B) nobjects nare nmade nsterile nwith nchemicals n
C) nutensils nare nscrubbed n
D) nskin nis ndebrided n- n ncorrect nanswer- nA) nthe nmicrobial nload non nobjects nis
nreduced
An nexample nof nan nagent nthat nlowers nthe nsurface ntension nof ncells nis n
A) nphenol n
B) nchlorine n
C) nalcohol n
D) nformalin n- n ncorrect nanswer- nC) nalcohol
High ntemperatures n______ nand nlow ntemperatures n_______. n
A) nsterilize, ndisinfect n
B) nkill ncells, ninhibit ncell ngrowth n
C) ndenature nproteins, nburst ncells n
D) nspeed nup nmetabolism, nslow ndown nmetabolism n- n ncorrect nanswer- nB) nkill
ncells, ninhibit ncell ngrowth
The ntemperature-pressure ncombination nfor nan nautoclave nis n
A) n100 ndegrees nC nand n4 npsi n
B) n121 ndegrees nC nand n15 npsi n
, C) n131 ndegrees nC nand n9 npsi n
D) n115 ndegrees nC nand n3 npsi n- n ncorrect nanswer- nB) n121 ndegrees nC nand n15
npsi
Microbes nthat nare nthe ntargets nof npasteurization: n
A) nClostridium nbotulinum n
B) nMycobacterium nspecies n
C) nSalmonella nspecies n
D) nboth nb nand nc n- n ncorrect nanswer- nD) nboth nb nand nc
Ionizing nradiation nremoves n______ nfrom natoms. n
A) nprotons n
B) nwaves n
C) nelectrons n
D) nions n- n ncorrect nanswer- nC) nelectrons
The nprimary nmode nof naction nof nnonionizing nradiation nis nto n
A) nproduce nsuperoxide nions n
B) nmake npyrimidine ndimers n
C) ndenature nproteins n
D) nbreak ndisulfide nbonds n- n ncorrect nanswer- nB) nmake npyrimidine ndimers
An neffective nmethod nof nsterilizing nheat-sensitive nliquids nis n
A) nUV nradiation n
B) nexposure nto nozone n
C) nbeta npropiolactone n
D) nfiltration n- n ncorrect nanswer- nD) nfiltration
______ nis nthe niodine nantiseptic nof nchoice nfor nwound ntreatment. n
A) nEight npercent ntincture n
B) nFive npercent naqueous n
C) nIodophor n
D) nPotassium niodide nsolution n- n ncorrect nanswer- nC) nIodophor
A nchemical nwith nsporicidal nproperties nis n
A) nphenol n
B) nalcohol n
C) nquaternary nammonium ncompound n
D) nglutaraldehyde n- n ncorrect nanswer- nD) nglutaraldehyde
Silver nnitrate nis nused n
A) nin nantisepsis nof nburns n
B) nas na nmouthwash n
C) nto ntreat ngenital ngonorrhea n
D) nto ndisinfect nwater n- n ncorrect nanswer- nA) nin nantisepsis nof nburns
Detergents nare n
A) nhigh-level ngermicides n
B) nlow-level ngermicides n
C) nexcellent nantiseptics n
assessment test with complete
solutions
A ncompound nsynthesized nby nbacteria nor nfungi nthat ndestroys nor ninhibits nthe
ngrowth nof nother nmicrobes nis na/an
A) nsynthetic ndrug n
B) nantibiotic n
C) nantimicrobic ndrug n
D) ncompetitive ninhibitor n- n ncorrect nanswer- nB) nantibiotic
Drugs nthat nprevent nthe nformation nof nthe nbacterial ncell nwall nare n
A) nquinolones n
B) nbeta-lactams n
C) ntetracyclines n
D) naminoglycosides n- n ncorrect nanswer- nB) nbeta-lactams
Sulfonamide ndrugs ninitially ndisrupt nwhich nprocess? n
A) nfolic nacid nsynthesis n
B) ntranscription n
C) nPABA nsynthesis n
D) nprotein nsynthesis n- n ncorrect nanswer- nA) nfolic nacid nsynthesis
Microbial nresistance nto ndrugs nis nacquired nthrough n
A) nconjugation
B) ntransformation n
C) ntransduction n
D) nall nof nthese n- n ncorrect nanswer- nD) nall nof nthese
R nfactors nare n______ nthat ncontain na ncode nfor n______. n
A) ngenes, nreplication n
B) nplasmids, ndrug nresistance n
C) ntransposons, ninterferon n
D) nplasmids, nconjugation n- n ncorrect nanswer- nB) nplasmids, ndrug nresistance
When na npatient's nimmune nsystem nbecomes nreactive nto na ndrug, nthis nis nan
nexample nof n
A) nsuperinfection n
,B) ndrug nresistance n
C) nallergy n
D) ntoxicity n- n ncorrect nanswer- nC) nallergy
An nantibiotic nthat ndisrupts nthe nnormal nflora ncan ncause n
A) nthe nteeth nto nturn nbrown n
B) naplastic nanemia n
C) na nsuperinfection n
D) nhepatotoxicity n- n ncorrect nanswer- nC) na nsuperinfection
Most nantihelminth ndrugs nfunction nby n
A) nweakening nthe nworms nso nthey ncan nbe nflushed nout nby nthe nintestine n
B) ninhibiting nworm nmetabolism n
C) nblocking nthe nabsorption nof nnutrients n
D) ninhibiting negg nproduction n- n ncorrect nanswer- nA) nweakening nthe nworms nso
nthey ncan nbe nflushed nout nby nthe nintestine
An nexample nof nan nantiviral ndrug nthat ncan nprevent na nviral nnucleic nacid nfrom
nbeing nreplicated nis n
A) nazidothymidine n
B) nacyclovir n
C) namantadine n
D) nboth na nand nb n- n ncorrect nanswer- nD) nboth na nand nb
Which nof nthe nfollowing neffects ndo nantiviral ndrugs nnot nhave? n
A) nkilling nextracellular nviruses n
B) nstopping nvirus nsynthesis n
C) ninhibiting nvirus nmaturation n
D) nblocking nvirus nreceptors n- n ncorrect nanswer- nA) nkilling nextracellular nviruses
Which nof nthe nfollowing nmodes nof naction nwould nbe nmost nselectively ntoxic? n
A) ninterrupting nribosomal nfunction n
B) ndissolving nthe ncell nmembrane n
C) npreventing ncell nwall nsynthesis n
D) ninhibiting nDNA nreplication n- n ncorrect nanswer- nC) npreventing ncell nwall
nsynthesis
The nMIC nis nthe n______ nof na ndrug nthat nis nrequired nto ninhibit ngrowth nof na
nmicrobe. n
A) nlargest nconcentration n
B) nstandard ndose n
C) nsmallest nconcentration n
D) nlowest ndilution n- n ncorrect nanswer- nC) nsmallest nconcentration
An nantimicrobic ndrug nwith na n______ ntherapeutic nindex nis na nbetter nchoice nthan
none nwith na n______ ntherapeutic nindex. n
A) nlow, nhigh n
B) nhigh, nlow n- n ncorrect nanswer- nB) nhigh, nlow
,Which nstatement nis nnot nan naim nin nthe nuse nof ndrugs nin nantimicrobial
nchemotherapy? nThe ndrug nshould: n
A) nhave nselective ntoxicity n
B) nbe nactive neven nin nhigh ndilutions n
C) nbe nbroken ndown nand nexcreted nrapidly n
D) nbe nmicrobicidal n- n ncorrect nanswer- nC) nbe nbroken ndown nand nexcreted
nrapidly
A nmicrobicidal nagent ndoes nwhat? n
A) nkills nspores n
B) ninhibits nmicroorganisms n
C) nis nineffective nagainst nviruses n
D) ndestroys nmicrobes n- n ncorrect nanswer- nD) ndestroys nmicrobes
Microbial ncontrol nmethods nthat nkill n______ nare nable nto nsterilize. n
A) nviruses n
B) nthe ntubercle nbacillus n
C) nendospores n
D) ncysts n- n ncorrect nanswer- nC) nendospores
Any nprocess nthat ndestroys nthe nnon-spore-forming ncontaminants non ninanimate
nobjects nis n
A) nantisepsis n
B) ndisinfection n
C) nsterilization n
D) ndegermation n- n ncorrect nanswer- nB) ndisinfection
Sanitization nis na nprocess nby nwhich n
A) nthe nmicrobial nload non nobjects nis nreduced n
B) nobjects nare nmade nsterile nwith nchemicals n
C) nutensils nare nscrubbed n
D) nskin nis ndebrided n- n ncorrect nanswer- nA) nthe nmicrobial nload non nobjects nis
nreduced
An nexample nof nan nagent nthat nlowers nthe nsurface ntension nof ncells nis n
A) nphenol n
B) nchlorine n
C) nalcohol n
D) nformalin n- n ncorrect nanswer- nC) nalcohol
High ntemperatures n______ nand nlow ntemperatures n_______. n
A) nsterilize, ndisinfect n
B) nkill ncells, ninhibit ncell ngrowth n
C) ndenature nproteins, nburst ncells n
D) nspeed nup nmetabolism, nslow ndown nmetabolism n- n ncorrect nanswer- nB) nkill
ncells, ninhibit ncell ngrowth
The ntemperature-pressure ncombination nfor nan nautoclave nis n
A) n100 ndegrees nC nand n4 npsi n
B) n121 ndegrees nC nand n15 npsi n
, C) n131 ndegrees nC nand n9 npsi n
D) n115 ndegrees nC nand n3 npsi n- n ncorrect nanswer- nB) n121 ndegrees nC nand n15
npsi
Microbes nthat nare nthe ntargets nof npasteurization: n
A) nClostridium nbotulinum n
B) nMycobacterium nspecies n
C) nSalmonella nspecies n
D) nboth nb nand nc n- n ncorrect nanswer- nD) nboth nb nand nc
Ionizing nradiation nremoves n______ nfrom natoms. n
A) nprotons n
B) nwaves n
C) nelectrons n
D) nions n- n ncorrect nanswer- nC) nelectrons
The nprimary nmode nof naction nof nnonionizing nradiation nis nto n
A) nproduce nsuperoxide nions n
B) nmake npyrimidine ndimers n
C) ndenature nproteins n
D) nbreak ndisulfide nbonds n- n ncorrect nanswer- nB) nmake npyrimidine ndimers
An neffective nmethod nof nsterilizing nheat-sensitive nliquids nis n
A) nUV nradiation n
B) nexposure nto nozone n
C) nbeta npropiolactone n
D) nfiltration n- n ncorrect nanswer- nD) nfiltration
______ nis nthe niodine nantiseptic nof nchoice nfor nwound ntreatment. n
A) nEight npercent ntincture n
B) nFive npercent naqueous n
C) nIodophor n
D) nPotassium niodide nsolution n- n ncorrect nanswer- nC) nIodophor
A nchemical nwith nsporicidal nproperties nis n
A) nphenol n
B) nalcohol n
C) nquaternary nammonium ncompound n
D) nglutaraldehyde n- n ncorrect nanswer- nD) nglutaraldehyde
Silver nnitrate nis nused n
A) nin nantisepsis nof nburns n
B) nas na nmouthwash n
C) nto ntreat ngenital ngonorrhea n
D) nto ndisinfect nwater n- n ncorrect nanswer- nA) nin nantisepsis nof nburns
Detergents nare n
A) nhigh-level ngermicides n
B) nlow-level ngermicides n
C) nexcellent nantiseptics n
