CEN Exam 1 Questions And Answers %
Correct.
Which bdysrhythmia bwould bbe bidentified bon ban bECG/EKG bsix-second bstrip bby ba bheart brate bof b76 band
ba bPR binterval bof b0.24?
a.sinus btachycardia
b.first-degree batrioventricular bblock
c.sinus bbradycardia
d.junctional bescape brhythm b- b b b bcorrect banswer.B: bFirst-degree batrioventricular bblock bis bdiagnosed
bpartially bby ban bEKG bshowing ba bPR binterval bof bgreater bthan b0.20 bseconds.
Which bblood btest bmay bindicate binfection bor binflammation band bwould bneed bto bbe bused bas bpart bof
bthe bclinical bpicture bwith bdiagnosing band btreating babdominal bpain?
a.white bblood bcell b(WBC) bcount bof b5.0
b.hematocrit b(HCT) bof b45
c.WBC bcount bof b28.0
d.blood bsugar b(BS) bof b74 b- b b b bcorrect banswer.C: bAn belevated bWBC bcount bwould bbe bindicative bof
binfection bor binflammation. bThe bWBC bcount bof b5.0 bis bnormal. bThe bHCT band bBS blevels blisted bwould
balso bbe bconsidered bwithin bnormal blimits.
A b30-year-old bman bcomes bto bthe bemergency bdepartment bwith bthe bacute bonset bof bleft bflank bpain
bradiating bto bthe bgroin. bMicroscopic bhematuria bis bpresent bon burinalysis. bWhat bis bthe bmost blikely
bdiagnosis?
a.ureteral bcalcium boxalate bcalculus
b.ureteral bcystine bcalculus
c.testicular btorsion
d.cystitis b- b b b bcorrect banswer.A: bUreteral bcalculi bare ba bquite bcommon bcause bof bacute bemergency
bevaluation, busually bcausing bflank bpain bwith bradiation bto bthe bback band/or bgroin. bAbout b75% bof
bthese bare bcalcium boxalate bor bphosphate; bless bcommon bare bstruvite, buric bacid, bor bcystine bcalculi.
bWhile bKUB bor bultrasound bmay bshow bthe bstone, bhelical bCT bis bnow bthe bpreferred bdiagnostic
, bmethod. bAdditional bworkup bincludes bCBC, bchemistry bpanel, burinalysis, band bstraining bof burine bto
bcatch ba bpassed bstone bfor bchemical banalysis. bNursing battention bshould bbe bdirected bto bintravenous
bhydration bwith binput band boutput brecording band bnarcotic bor bnarcotic bplus bNSAID b(e.g., bketorolac)
badministration bfor bpain. bSome bpatients bmay bbe bdischarged bwith banalgesics band binstructions bfor
bhydration band bcalculus bcapture. bTesticular btorsion bis bmost bcommon bin badolescents band busually
bpresents bwith btesticular band bgroin bpain bwith babdominal bradiation; bincreasing bpain bby blifting bthe
bscrotum bto bthe blevel bof bthe bpubic bsymphysis bcauses bexacerbation bof bthe bpain b(Prehn bsign). bCystitis
bmay bbe binfectious bor bdrug-induced, bbut bcystitis busually bcauses bdysuria band bpyuria band bshows
bpositive burine bcultures.
Which bof bthe bfollowing bis bNOT bappropriate bfor bscreening bfor bdomestic bviolence bby bthe bemergency
bdepartment bnurse?
a.asking bif bthe bperson bhas bbeen bhit, bkicked, bor botherwise bhurt bby bsomeone bin bthe bpast byear; bif bso,
bby bwhom
b.asking, b"Do byou bfeel bsafe bin byour bpresent brelationship?"
c.avoid basking babout bintimate bperson bviolence bif bthe bpatient bis bin bthe bemergency bdepartment bfor
ba bmedical bailment, bnot btrauma
d.asking bif bthere bis ba bpartner bfrom ba bprevious brelationship bthat bmakes bthe bindividual bfeel bunsafe b-
b b b bcorrect banswer.C: bDomestic bviolence, bnearly balways bperpetrated bagainst bwomen, bis ba bmajor
bproblem bconfronted bby bthe bemergency bnurse. bScreening bfor bpossible bcases bshould binclude banswers
bA, bB band bD. bInterestingly, bvictims bof bintimate bpartner bviolence boften bpresent bwith ba bmedical
bailment, bnot btrauma. bThese binclude bback, babdominal, bor bpelvic bpain, bheadaches, burinary binfections,
bsexually btransmitted bdisease, bor bsymptoms bconsistent bwith bposttraumatic bstress bdisorder b(PTSD).
bSometimes bevidence bof bold btrauma bsuch bas bhealing bfractures bor bcosmetically bconcealed bbruises
bmay bpoint btoward bthe bpresence bof bdomestic bviolence. bMany bvictims bwill bdeny bit bbut bsometimes
bcompassionate bquestioning bin ba bprivate bsetting bwill belicit ba bpositive bresponse. bThe bnurse bmay bthen
boffer badvice, brefer bto ba bsocial bagency bor bshelter, bor bask bfor ba bconsultation bby bthe bhospital bsocial
bworker.
A bpatient bis bintubated band bon bmechanical bventilation. bThe bventilator balarm brings band bthe bairway
bpressure bis bfound bto bbe belevated. bPossible bcauses binclude bthe bfollowing bEXCEPT:
a.endotracheal btube bobstruction bwith bsputum
b.pneumothorax
c.bronchospasm
d.cuff bleak b- b b b bcorrect banswer.D: bMechanical bventilation brequires bdiligent bobservation bof bthe
bpatient band bventilator bby bthe bemergency bnurse. bModern bventilators busually bcome bwith balarms
bthat bindicate bhigh bor blow bairway bpressure. bHigh bpressure bmay bbe bcaused bby bendotracheal btube
bobstruction bwith bsputum bor bkinks bor binadvertent bendobronchial bdisplacement. bThe bairway bshould
Correct.
Which bdysrhythmia bwould bbe bidentified bon ban bECG/EKG bsix-second bstrip bby ba bheart brate bof b76 band
ba bPR binterval bof b0.24?
a.sinus btachycardia
b.first-degree batrioventricular bblock
c.sinus bbradycardia
d.junctional bescape brhythm b- b b b bcorrect banswer.B: bFirst-degree batrioventricular bblock bis bdiagnosed
bpartially bby ban bEKG bshowing ba bPR binterval bof bgreater bthan b0.20 bseconds.
Which bblood btest bmay bindicate binfection bor binflammation band bwould bneed bto bbe bused bas bpart bof
bthe bclinical bpicture bwith bdiagnosing band btreating babdominal bpain?
a.white bblood bcell b(WBC) bcount bof b5.0
b.hematocrit b(HCT) bof b45
c.WBC bcount bof b28.0
d.blood bsugar b(BS) bof b74 b- b b b bcorrect banswer.C: bAn belevated bWBC bcount bwould bbe bindicative bof
binfection bor binflammation. bThe bWBC bcount bof b5.0 bis bnormal. bThe bHCT band bBS blevels blisted bwould
balso bbe bconsidered bwithin bnormal blimits.
A b30-year-old bman bcomes bto bthe bemergency bdepartment bwith bthe bacute bonset bof bleft bflank bpain
bradiating bto bthe bgroin. bMicroscopic bhematuria bis bpresent bon burinalysis. bWhat bis bthe bmost blikely
bdiagnosis?
a.ureteral bcalcium boxalate bcalculus
b.ureteral bcystine bcalculus
c.testicular btorsion
d.cystitis b- b b b bcorrect banswer.A: bUreteral bcalculi bare ba bquite bcommon bcause bof bacute bemergency
bevaluation, busually bcausing bflank bpain bwith bradiation bto bthe bback band/or bgroin. bAbout b75% bof
bthese bare bcalcium boxalate bor bphosphate; bless bcommon bare bstruvite, buric bacid, bor bcystine bcalculi.
bWhile bKUB bor bultrasound bmay bshow bthe bstone, bhelical bCT bis bnow bthe bpreferred bdiagnostic
, bmethod. bAdditional bworkup bincludes bCBC, bchemistry bpanel, burinalysis, band bstraining bof burine bto
bcatch ba bpassed bstone bfor bchemical banalysis. bNursing battention bshould bbe bdirected bto bintravenous
bhydration bwith binput band boutput brecording band bnarcotic bor bnarcotic bplus bNSAID b(e.g., bketorolac)
badministration bfor bpain. bSome bpatients bmay bbe bdischarged bwith banalgesics band binstructions bfor
bhydration band bcalculus bcapture. bTesticular btorsion bis bmost bcommon bin badolescents band busually
bpresents bwith btesticular band bgroin bpain bwith babdominal bradiation; bincreasing bpain bby blifting bthe
bscrotum bto bthe blevel bof bthe bpubic bsymphysis bcauses bexacerbation bof bthe bpain b(Prehn bsign). bCystitis
bmay bbe binfectious bor bdrug-induced, bbut bcystitis busually bcauses bdysuria band bpyuria band bshows
bpositive burine bcultures.
Which bof bthe bfollowing bis bNOT bappropriate bfor bscreening bfor bdomestic bviolence bby bthe bemergency
bdepartment bnurse?
a.asking bif bthe bperson bhas bbeen bhit, bkicked, bor botherwise bhurt bby bsomeone bin bthe bpast byear; bif bso,
bby bwhom
b.asking, b"Do byou bfeel bsafe bin byour bpresent brelationship?"
c.avoid basking babout bintimate bperson bviolence bif bthe bpatient bis bin bthe bemergency bdepartment bfor
ba bmedical bailment, bnot btrauma
d.asking bif bthere bis ba bpartner bfrom ba bprevious brelationship bthat bmakes bthe bindividual bfeel bunsafe b-
b b b bcorrect banswer.C: bDomestic bviolence, bnearly balways bperpetrated bagainst bwomen, bis ba bmajor
bproblem bconfronted bby bthe bemergency bnurse. bScreening bfor bpossible bcases bshould binclude banswers
bA, bB band bD. bInterestingly, bvictims bof bintimate bpartner bviolence boften bpresent bwith ba bmedical
bailment, bnot btrauma. bThese binclude bback, babdominal, bor bpelvic bpain, bheadaches, burinary binfections,
bsexually btransmitted bdisease, bor bsymptoms bconsistent bwith bposttraumatic bstress bdisorder b(PTSD).
bSometimes bevidence bof bold btrauma bsuch bas bhealing bfractures bor bcosmetically bconcealed bbruises
bmay bpoint btoward bthe bpresence bof bdomestic bviolence. bMany bvictims bwill bdeny bit bbut bsometimes
bcompassionate bquestioning bin ba bprivate bsetting bwill belicit ba bpositive bresponse. bThe bnurse bmay bthen
boffer badvice, brefer bto ba bsocial bagency bor bshelter, bor bask bfor ba bconsultation bby bthe bhospital bsocial
bworker.
A bpatient bis bintubated band bon bmechanical bventilation. bThe bventilator balarm brings band bthe bairway
bpressure bis bfound bto bbe belevated. bPossible bcauses binclude bthe bfollowing bEXCEPT:
a.endotracheal btube bobstruction bwith bsputum
b.pneumothorax
c.bronchospasm
d.cuff bleak b- b b b bcorrect banswer.D: bMechanical bventilation brequires bdiligent bobservation bof bthe
bpatient band bventilator bby bthe bemergency bnurse. bModern bventilators busually bcome bwith balarms
bthat bindicate bhigh bor blow bairway bpressure. bHigh bpressure bmay bbe bcaused bby bendotracheal btube
bobstruction bwith bsputum bor bkinks bor binadvertent bendobronchial bdisplacement. bThe bairway bshould