6yBANK
Prime 6yyourself 6yfor 6yyour 6yTests 6y– 6yStudy
6yQuestions
Chapter 41: Oxygenation
Fundamentals of Nursing, 9th Edition
MULTIPLE 6yCHOICE
1. A 6ynurse 6yis 6yteaching 6ystaff 6yabout 6ythe 6yconduction 6yof 6ythe 6yheart. 6yIn 6ywhich 6yorder
6ywill 6ythe 6ynurse 6ypresent 6ythe 6yconduction 6ycycle, 6ystarting 6ywith 6ythe 6yfirst 6ystructure?
1. Bundle 6yof 6yHis
2. Purkinje 6ynetwork
3. Intraatrial 6ypathways
4. Sinoatrial 6y(SA) 6ynode
5. Atrioventricular 6y(AV) 6ynode
a. 5, 6y4, 6y3, 6y2, 6y1
b. 4, 6y3, 6y5, 6y1, 6y2
c. 4, 6y5, 6y3, 6y1, 6y2 NURSINGTB.COM
d. 5, 6y3, 6y4, 6y2, 6y1
ANS: 6yB
The 6yconduction 6ysystem 6yoriginates 6ywith 6ythe 6ySA 6ynode, 6ythe 6y“pacemaker” 6yof 6ythe 6yheart.
6yThe 6yelectrical 6yimpulses 6yare 6ytransmitted 6ythrough 6ythe 6yatria 6yalong 6yintraatrial 6ypathways 6yto
6ythe 6yAV 6ynode. 6yIt 6yassists 6yatrial 6yemptying 6yby 6ydelaying 6ythe 6yimpulse 6ybefore 6ytransmitting
6yit 6ythrough 6ythe 6yBundle 6yof 6yHis 6yand 6ythe 6yventricular 6yPurkinje 6ynetwork.
2. A 6ynurse 6yis 6yteaching 6ythe 6ypatient 6ywith 6ymitral 6yvalve 6yproblems 6yabout 6ythe 6yvalves
6yin 6ythe 6yheart. 6yStarting 6yon 6ythe 6yright 6yside 6yof 6ythe 6yheart, 6ydescribe 6ythe 6ysequence 6yof
6ythe 6yblood 6yflow 6ythrough 6ythese 6yvalves.
1. Mitral
2. Aortic
3. Tricuspid
NURSINGTB.COM
, FUNDAMENTALS 6yOF 6yNURSING 6y9TH 6yEDITION 6yPOTTER 6yTEST
6yBANK
Prime 6yyourself 6yfor 6yyour 6yTests 6y– 6yStudy
6yQuestions
4. 6yPulmonic
a. 1, 6y3, 6y2, 6y4
b. 4, 6y3, 6y2, 6y1
c. 3, 6y4, 6y1, 6y2
d. 2, 6y4, 6y1, 6y3
ANS: 6yC
The 6yblood 6yflows 6ythrough 6ythe 6yvalves 6yin 6ythe 6yfollowing 6ydirection: 6ytricuspid, 6ypulmonic,
6ymitral, 6yand 6yaortic.
3. 6yA 6ynurse 6yexplains 6ythe 6yfunction 6yof 6ythe 6yalveoli 6yto 6ya 6ypatient 6ywith 6yrespiratory 6yproblems.
6yWhich 6yinformation 6yabout 6ythe 6yalveoli’s 6yfunction 6ywill 6ythe 6ynurse 6yshare 6ywith 6ythe 6ypatient?
a. Carries 6yout 6ygas
6yexchange
b. Regulates 6ytidal 6yvolume NURSINGTB.COM
c. Produces 6yhemoglobin
d. Stores 6yoxygen
ANS: 6yA
The 6yalveolus 6yis 6ya 6ycapillary 6ymembrane 6ythat 6yallows 6ygas 6yexchange 6yof 6yoxygen 6yand 6ycarbon
6ydioxide 6yduring 6yrespiration. 6yThe 6yalveoli 6ydo 6ynot 6ystore 6yoxygen, 6yregulate 6ytidal 6yvolume,
6yor 6yproduce 6yhemoglobin.
4. A 6ynurse 6yauscultates 6yheart 6ysounds. 6yWhen 6ythe 6ynurse 6yhears 6yS2, 6ywhich 6yvalves 6yis 6ythe
6ynurse 6yhearing 6yclose?
a. Aortic 6yand 6ymitral
b. Mitral 6yand 6ytricuspid
c. Aortic 6yand 6ypulmonic
d. Mitral 6yand 6ypulmonic
NURSINGTB.COM
, FUNDAMENTALS 6yOF 6yNURSING 6y9TH 6yEDITION 6yPOTTER 6yTEST
6yBANK
Prime 6yyourself 6yfor 6yyour 6yTests 6y– 6yStudy
6yQuestions
ANS: 6yC
As 6ythe 6yventricles 6yempty, 6ythe 6yventricular 6ypressures 6ydecrease, 6yallowing 6yclosure 6yof 6ythe
6yaortic 6yand 6ypulmonic 6yvalves, 6yproducing 6ythe 6ysecond 6yheart 6ysound, 6yS2. 6yThe 6ymitral 6yand
6ytricuspid 6yproduce 6ythe 6yfirst 6yheart 6ysound, 6yS1. 6yThe 6yaortic 6yand 6ymitral 6ydo 6ynot 6yclose 6yat
6ythe 6ysame 6ytime. 6yThe 6ymitral 6yand 6ypulmonic 6ydo 6ynot 6yclose 6yat 6ythe 6ysame 6ytime.
5. The 6ynurse 6yis 6yteaching 6yabout 6ythe 6yprocess 6yof 6yexchanging 6ygases 6ythrough 6ythe
6yalveolar 6ycapillary 6ymembrane. 6yWhich 6yterm 6ywill 6ythe 6ynurse 6yuse 6yto 6ydescribe 6ythis
6yprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS: 6yD
Diffusion 6yis 6ythe 6yprocess 6yof 6ygases 6yexchanging 6yacross 6ythe 6yalveoli 6yand 6ycapillaries 6yof
6ybody 6ytissues.Ventilation 6yis 6ythe 6yprocess 6yof 6ym o v N
i nUgRgSaI Ns eGs Ti Bn .t Co OaMn d 6yout 6yof 6ythe 6ylungs.
6ySurfactant 6yis 6ya6ychemical 6yproduced 6yin 6ythe 6ylungs 6yto 6ymaintain 6ythe 6ysurface 6ytension 6yof 6ythe
6yalveoli 6yand 6ykeep 6ythem 6yfrom 6ycollapsing. 6yPerfusion 6yis 6ythe 6yability 6yof 6ythe 6ycardiovascular
6ysystem 6yto 6ycarry 6yoxygenated 6yblood 6yto 6ytissues 6yand 6yreturn 6ydeoxygenated 6yblood 6yto 6ythe
6yheart.
6. A 6ynurse 6yis 6ycaring 6yfor 6ya 6ypatient 6ywho 6ywas 6yin 6ya 6ymotor 6yvehicle 6yaccident 6ythat
6yresulted 6yin 6ycervical 6ytrauma 6yto 6yC4. 6yWhich 6yassessment 6yis 6ythe 6ypriority?
a. Pulse
b. Respirations
c. Temperature
d. Blood 6ypressure
ANS: 6yB
Respirations 6yand 6yoxygen 6ysaturation 6yare 6ythe 6ypriorities. 6yCervical 6ytrauma 6yat 6yC3 6yto 6yC5
6yusually 6yresults 6yin 6yparalysis 6yof 6ythe 6yphrenic 6ynerve. 6yWhen 6ythe 6yphrenic 6ynerve 6yis
6ydamaged, 6ythe 6ydiaphragm 6ydoes 6ynot 6ydescend 6yproperly, 6ythus 6yreducing 6yinspiratory 6ylung
6yvolumes 6yand 6ycausing 6yhypoxemia. 6yWhile 6ypulse
NURSINGTB.COM