Study Guide Exam Questions and
Correct Answers 2024/2024
>x40xmmHgx-xCORRECTxANSWER-normalxcoronaryxperfusionxpressure
1-1.5mgxperx100uxheparinx-xCORRECTxANSWER-
properxprotaminexdosextoxreversexheparinxinxptsxonxCPB
10xdegreesxcelsiusx-xCORRECTxANSWER-
forxeveryx______xdegreesxCelsiusxyouxdecreasexbodyxtemperature,xoxygenxconsumptionx
decreasesxbyx50%.
10xtimes;x4xtimesx-xCORRECTxANSWER-
whenxyou'rexonxCPB,xyouxproducex_____xtimesxthexnormalxamountxofxepinephrinexandx__
___xtimesxthexnormalxamountxofxnorepinephrine.
15%x-xCORRECTxANSWER-____%xofxCABGsxarexredoxCABGs.
2-3xdaysx-xCORRECTxANSWER-
physiologicxeffectsxofxCPBxcanxlastxacutelyxforxseveralxhoursxandxupxtox_____xdaysxpost-
op.
20xtimesx-xCORRECTxANSWER-
whenxyou'rexonxCPB,xyouxproducex______xtimesxthexamountxofxvasopressinxyouxnormallyx
do.
25%x-xCORRECTxANSWER-
elderlyxptsxwithxaxhematocritxofxlessxthanx____%xhavexworsexneurologicxoutcomesxfromxbei
ngxonxCPB.
28-34xdegreesxcelsiusx-xCORRECTxANSWER-
ptsxarexusuallyxcooledxtoxthisxtemperaturexinxthexORxdependingxonxhowxlongxthey'rexonxCP
Bxfor.
3-5xkgx-xCORRECTxANSWER-
patientsxcanxhavexax________xkgxweightxgainxbyxPODx#1xduextoxECFxbuild-up
30-35%x-xCORRECTxANSWER-normalxSvO2xinxheart
, 300u/kgx-xCORRECTxANSWER-bolusxdosexofxheparinxusuallyxgivenxwhenxinitiatingxCPB
40%x-xCORRECTxANSWER-
saphenousxveinxgraftsxhavexax______%xpatencyxratexatx10xyears
60-80%x-xCORRECTxANSWER-normalxSvO2xinxbody
70%x-xCORRECTxANSWER-atxrestxthexmyocardiumxextractsx___%xofxavailablexoxygen
70%x-xCORRECTxANSWER-ischemia-
inducedxVTxisxcausedxbyx___%xstenosisxofxaxmajorxnon-leftxmainxcoronaryxartery.
800mLx-xCORRECTxANSWER-
ECFxincreasesxbyx________xmLxforxeveryx1xhourxsomeonexisxonxCPB.
8xx-xCORRECTxANSWER-riskxofxMIxisx___xtimesxgreaterxinxaxre-doxCABGxpt.
90%x-xCORRECTxANSWER-IMAxgraftsxhavexax_____%xpatencyxratexatx10xyears
ACExinhibitorsx-xCORRECTxANSWER-
vasoplegicxshockxs/pxCPBxisxmorexcommonxinxptsxthatxtakexwhatxtypexofxantihypertensive?
Acutextubularxnecrosisx(ATN)x-xCORRECTxANSWER-
thexhemolysisxcausedxbyxthexCPBxcircuitxcanxcausexRBCxfragmentsxtoxprecipitatexintoxthexr
enalxtubulesxandxcausex___________________.
AKIx-xCORRECTxANSWER-pre-
opxBNPxlevelsxarexaxgoodxpredictorxofx________xfollowingxcardiacxsurgery
antegradex-xCORRECTxANSWER-
methodxinxwhichxthexcannulaxisxinsertedxintoxthexproximalxaortaxtoxinfusexthexcardioplegicxa
gentxintoxthexcoronariesxmorexdirectly.xmayxbexlimitedxbyxcoronaryxlesions
aorticx-xCORRECTxANSWER-severex_______xstenosisxincreasesxthexriskxforxpost-
operativexstrokexafterxaxCABG.
aorticx-xCORRECTxANSWER-
thexcoronaryxarteriesxoriginatexbehindxthexrespectivex________xvalvexleaflets
ascendingxaortax-xCORRECTxANSWER-locationxwherexaorticxcross-clampingxoccurs
auto-regulationx-xCORRECTxANSWER-
coronaryxcirculationxisxaxconstantxduextox_______________________.