Chapterb02:bPrinciplesbofbInfectionbControlb
Cairo:bMosby’sbRespiratorybCarebEquipment,b10thbEditionbb
b
MULTIPLEbCHOICEb
b
b
1.bAb78-year-
oldbmanbisbbeingbpreparedbforbdischargebfollowingbabdominalbsurgery,bwhichbheb
underwentbseveralbdaysbago.bThebnursebnoticesbthatbthebpatientbhasbabtemperaturebofb101.5
Fb
andbhasbsomebtanbsecretionsbinbhisbsuturebarea.bAbspecimenbisbsentbtobtheblaboratory.bTheb
resultsbshowbthebpresencebofbGram-positivebcocci.bThebstatementbthatbmightbexplainbthisb
conditionbisbwhichbofbthebfollowing?b
a.bThebantibioticbwasbineffective.b
b.bThebpatientbwasbnotbcompliantbwithbtherapy.b
c.bItbisbnormalbtobhavebsecretionsbatbthebsuturebsite.b
d.bAbhealthbcare–associatedbinfectionbshouldbbebconsidered.b
bb
ANS:bDb
Nobantibioticbwasbmentionedbinbthebscenario.bTherebisbnobhistorybofbthebpatientbreceivingban
yb
medicationbforbthisbproblem,bsobcompliancebisbnotbanbissuebwithbthisbsituation.bItbisbnotbnor
malb
tobhavebsecretionsbatbabsuturebsite.b
b
PTS:b1b
REF:bPageb25b
b
b
2.bAbnosocomialbinfectionbisbbestbdefinedbasbab
a.brespiratorybsystem–bornebpathogen.b
b.bhospital-acquiredbpathogen.b
c.bbacterialborbviralborganism.b
d.bblood-bornebpathogen.b
bb
ANS:bBb
Abnosocomialbinfectionbisbonebthatbisbacquiredbinbabhospitalbsetting.bRespiratorybsystem–
borneb
pathogensbandbblood-bornebpathogensbcanbbebacquiredbinbthebcommunity.b
b
PTS:b1b
REF:bPageb25b
b
b
3.bInfectiousbdiseasesbarebtypicallybcausedbbybwhichbofbthebfollowing?b
1.bTicksb
2.bBacteriab
3.bVirusesb
4.bAlgaeb
,a.b1bandb4b
b.b2bandb3b
c.b1,b2,bandb4b
d.b1,b2,bandb3b
bb
ANS:bDb
Algaebdobnotbcausebinfectiousbdiseases.bInfectiousbdiseasesbcanbbebcausedbbybticks,bbacteria,b
andbviruses.b
b
PTS:b1b
REF:bPageb29,bTableb2.3b
b
b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
b
4.bClinicalbmicrobiologybisbconcernedbwithb_____btheborganism.b
1.bidentifyingb
2.bcontrollingb
3.bisolatingb
4.beradicationbofb
a.b1bandb4b
b.b2bandb3b
c.b1,b2,bandb4b
d.b1,b2,bandb3b
bb
ANS:bDb
Clinicalbmicrobiologybaddressesbthebidentification,bisolation,bandbcontrolbofbpathogens,bnotb
theirberadication.b
b
PTS:b1b
REF:bPageb25b
b
b
5.bAbprokaryotic,bunicellularborganismbthatbrangesbinbsizebfromb0.5btob50bµmbisbusuallybclassi
fiedb
asbwhichbofbthebfollowing?b
a.bVirusb
b.bProtozoanb
c.bBacteriumb
d.bRetrovirusb
bb
ANS:bCb
Thisbisbthebdefinitionbofbabbacterium.bb
b
PTS:b1b
REF:bPageb25b
b
b
,6.bWhenbspeakingbaboutbthebmorphologybofbbacteria,bonebisbreferringbtobitsb
a.bsize.b
b.bshape.b
c.bfunction.b
d.bmovement.b
bb
ANS:bBb
Therebarebthreebwaysbtobclassifybbacteria:bbybitsbshape,bbybstaining,bandbbybitsbmetabolicb
characteristics.bSize,bfunction,bandbmovementbarebnotbcharacteristicsbusedbtobclassifybbacteri
a.bb
b
PTS:b1b
REF:bPageb25b
b
b
7.bWhichbofbthebfollowingbisbabbacterium?b
a.bHerpesbsimplexb
b.bPneumocystisbjirovecib
c.bPseudomonasbaeruginosab
d.bCandidabalbicansb
bb
ANS:bCb
Herpesbisbabvirus;bPneumocystisbcariniibisbabprotozoan;bandbCandidabalbicansbisbabfungus.b
b
PTS:b1b
REF:bPageb26b
b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
b
8.bAbsputumbspecimenbisbreceivedbinbthebmicrobiologyblaboratory.bGrambstainingbandbab
microscopicbexaminationbrevealbabpaired,bspherical,bpurple-stainedborganism.bItbcanbbeb
reasonablybassumedbthatbthisborganismbisbwhichbofbthebfollowing?b
a.bGram-negativebbacillib
b.bGram-negativebstaphylococcib
c.bGram-positivebdiplococcib
d.bGram-positivebbacillib
bb
ANS:bCb
Diplococcibarebsphericallybshapedbbacteriabthatboccurbinbpairs;bGram-positiveborganismsb
appearbblueborbviolet.bGram-
negativeborganismsbhavebabredbappearancebfrombthebcounterstain.b
Staphylococcibarebcoccibthatboccurbinbirregularbclusters.bBacillibarebrodlikeborganisms.b
b
PTS:b1b
REF:bPageb25b
b
b
9.bThebwordbvibriobrefersbtob
, a.bthebmanybshapesbbacteriabcanbassume.b
b.btheberraticbmovementbofbbacteria.b
c.bcomma-shapedbmorphology.b
d.bspirochetebhelicalbshape.b
bb
ANS:bCb
Vibriobrefersbtobcomma-shapedbbacteria.b
b
PTS:b1b
REF:bPageb25,bFig.b2.1b
b
b
b10.bAnborganismbthatbappearsbblueborbvioletbafterbstainingbisbusuallybcalledb
a.bGrambnegative.b
b.bGrambpositive.b
c.bZiehl–Neelsen.b
d.bacidbfast.b
bb
ANS:bBb
Gram-positiveborganismsbstainbblueborbviolet,bwhereasbGram-
negativeborganismsbappearbredb
frombabcounterstainbofbredbdyebsafranin.bAcid-fastbstainsb(alsobcalledbZiehl–
Neelsenbstains)bareb
differentbtests.b
b
PTS:b1b
REF:bPageb25b
b
b11.bWhichbofbthebfollowingbisbabGram-negativebpathogen?b
a.bBacillusbanthracisb
b.bStaphylococcusbaureusb
c.bPseudomonasbaeruginosab
d.bClostridiumbbotulinumb
bb
ANS:bCb
Bacillusbanthracis,bStaphylococcusbaureus,bandbClostridiumbbotulinumbarebGram-positiveb
pathogens.b
b
PTS:b1b
REF:bPageb26b
b
b12.bWhichbofbthebfollowingbisbspreadbbybdirectbcontact?b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
a.bMeaslesb
b.bHepatitisbBb
c.bStaphylococcusb
d.bHistoplasmosisb
Cairo:bMosby’sbRespiratorybCarebEquipment,b10thbEditionbb
b
MULTIPLEbCHOICEb
b
b
1.bAb78-year-
oldbmanbisbbeingbpreparedbforbdischargebfollowingbabdominalbsurgery,bwhichbheb
underwentbseveralbdaysbago.bThebnursebnoticesbthatbthebpatientbhasbabtemperaturebofb101.5
Fb
andbhasbsomebtanbsecretionsbinbhisbsuturebarea.bAbspecimenbisbsentbtobtheblaboratory.bTheb
resultsbshowbthebpresencebofbGram-positivebcocci.bThebstatementbthatbmightbexplainbthisb
conditionbisbwhichbofbthebfollowing?b
a.bThebantibioticbwasbineffective.b
b.bThebpatientbwasbnotbcompliantbwithbtherapy.b
c.bItbisbnormalbtobhavebsecretionsbatbthebsuturebsite.b
d.bAbhealthbcare–associatedbinfectionbshouldbbebconsidered.b
bb
ANS:bDb
Nobantibioticbwasbmentionedbinbthebscenario.bTherebisbnobhistorybofbthebpatientbreceivingban
yb
medicationbforbthisbproblem,bsobcompliancebisbnotbanbissuebwithbthisbsituation.bItbisbnotbnor
malb
tobhavebsecretionsbatbabsuturebsite.b
b
PTS:b1b
REF:bPageb25b
b
b
2.bAbnosocomialbinfectionbisbbestbdefinedbasbab
a.brespiratorybsystem–bornebpathogen.b
b.bhospital-acquiredbpathogen.b
c.bbacterialborbviralborganism.b
d.bblood-bornebpathogen.b
bb
ANS:bBb
Abnosocomialbinfectionbisbonebthatbisbacquiredbinbabhospitalbsetting.bRespiratorybsystem–
borneb
pathogensbandbblood-bornebpathogensbcanbbebacquiredbinbthebcommunity.b
b
PTS:b1b
REF:bPageb25b
b
b
3.bInfectiousbdiseasesbarebtypicallybcausedbbybwhichbofbthebfollowing?b
1.bTicksb
2.bBacteriab
3.bVirusesb
4.bAlgaeb
,a.b1bandb4b
b.b2bandb3b
c.b1,b2,bandb4b
d.b1,b2,bandb3b
bb
ANS:bDb
Algaebdobnotbcausebinfectiousbdiseases.bInfectiousbdiseasesbcanbbebcausedbbybticks,bbacteria,b
andbviruses.b
b
PTS:b1b
REF:bPageb29,bTableb2.3b
b
b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
b
4.bClinicalbmicrobiologybisbconcernedbwithb_____btheborganism.b
1.bidentifyingb
2.bcontrollingb
3.bisolatingb
4.beradicationbofb
a.b1bandb4b
b.b2bandb3b
c.b1,b2,bandb4b
d.b1,b2,bandb3b
bb
ANS:bDb
Clinicalbmicrobiologybaddressesbthebidentification,bisolation,bandbcontrolbofbpathogens,bnotb
theirberadication.b
b
PTS:b1b
REF:bPageb25b
b
b
5.bAbprokaryotic,bunicellularborganismbthatbrangesbinbsizebfromb0.5btob50bµmbisbusuallybclassi
fiedb
asbwhichbofbthebfollowing?b
a.bVirusb
b.bProtozoanb
c.bBacteriumb
d.bRetrovirusb
bb
ANS:bCb
Thisbisbthebdefinitionbofbabbacterium.bb
b
PTS:b1b
REF:bPageb25b
b
b
,6.bWhenbspeakingbaboutbthebmorphologybofbbacteria,bonebisbreferringbtobitsb
a.bsize.b
b.bshape.b
c.bfunction.b
d.bmovement.b
bb
ANS:bBb
Therebarebthreebwaysbtobclassifybbacteria:bbybitsbshape,bbybstaining,bandbbybitsbmetabolicb
characteristics.bSize,bfunction,bandbmovementbarebnotbcharacteristicsbusedbtobclassifybbacteri
a.bb
b
PTS:b1b
REF:bPageb25b
b
b
7.bWhichbofbthebfollowingbisbabbacterium?b
a.bHerpesbsimplexb
b.bPneumocystisbjirovecib
c.bPseudomonasbaeruginosab
d.bCandidabalbicansb
bb
ANS:bCb
Herpesbisbabvirus;bPneumocystisbcariniibisbabprotozoan;bandbCandidabalbicansbisbabfungus.b
b
PTS:b1b
REF:bPageb26b
b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
b
8.bAbsputumbspecimenbisbreceivedbinbthebmicrobiologyblaboratory.bGrambstainingbandbab
microscopicbexaminationbrevealbabpaired,bspherical,bpurple-stainedborganism.bItbcanbbeb
reasonablybassumedbthatbthisborganismbisbwhichbofbthebfollowing?b
a.bGram-negativebbacillib
b.bGram-negativebstaphylococcib
c.bGram-positivebdiplococcib
d.bGram-positivebbacillib
bb
ANS:bCb
Diplococcibarebsphericallybshapedbbacteriabthatboccurbinbpairs;bGram-positiveborganismsb
appearbblueborbviolet.bGram-
negativeborganismsbhavebabredbappearancebfrombthebcounterstain.b
Staphylococcibarebcoccibthatboccurbinbirregularbclusters.bBacillibarebrodlikeborganisms.b
b
PTS:b1b
REF:bPageb25b
b
b
9.bThebwordbvibriobrefersbtob
, a.bthebmanybshapesbbacteriabcanbassume.b
b.btheberraticbmovementbofbbacteria.b
c.bcomma-shapedbmorphology.b
d.bspirochetebhelicalbshape.b
bb
ANS:bCb
Vibriobrefersbtobcomma-shapedbbacteria.b
b
PTS:b1b
REF:bPageb25,bFig.b2.1b
b
b
b10.bAnborganismbthatbappearsbblueborbvioletbafterbstainingbisbusuallybcalledb
a.bGrambnegative.b
b.bGrambpositive.b
c.bZiehl–Neelsen.b
d.bacidbfast.b
bb
ANS:bBb
Gram-positiveborganismsbstainbblueborbviolet,bwhereasbGram-
negativeborganismsbappearbredb
frombabcounterstainbofbredbdyebsafranin.bAcid-fastbstainsb(alsobcalledbZiehl–
Neelsenbstains)bareb
differentbtests.b
b
PTS:b1b
REF:bPageb25b
b
b11.bWhichbofbthebfollowingbisbabGram-negativebpathogen?b
a.bBacillusbanthracisb
b.bStaphylococcusbaureusb
c.bPseudomonasbaeruginosab
d.bClostridiumbbotulinumb
bb
ANS:bCb
Bacillusbanthracis,bStaphylococcusbaureus,bandbClostridiumbbotulinumbarebGram-positiveb
pathogens.b
b
PTS:b1b
REF:bPageb26b
b
b12.bWhichbofbthebfollowingbisbspreadbbybdirectbcontact?b
DOWNLOADbTHEbTestbBankbforbMosby'sbRespiratorybCarebEquipmentb10th
bbbbbbbbbbbbbbbbbbbbbbbbbbEditionbCairo
mynursytest.store
a.bMeaslesb
b.bHepatitisbBb
c.bStaphylococcusb
d.bHistoplasmosisb
