NBCE PART 1: PHYSIOLOGY (IRENE G
m m m m m
OLD PACKET) EXAM | QUESTIONS & A
m m m m m m
NSWERS (VERIFIED) | LATEST UPDAT
m m m m
E | GRADED A+ m m m
BloodmfrommUppermExtremitymgoesmintomthemheartmfrommthe .
CorrectmAnswer: SuperiormVenamCava
BloodmfrommLowermExtremitymgoesmintomthemheartmfrommthe .
CorrectmAnswer: InferiormVenamCava
WheremdoesmthemAzygousmvein mdrain mintomthemheartmfrom?
CorrectmAnswer: LumbarsmintomSVC
%mof mbloodmpassivelymflowsmintomthemrightmventricle.
CorrectmAnswer: 80
%mneedsmatrial mcontraction.
CorrectmAnswer: 20
P-wavemstartsmat nodemin mCristamTerminalsmof mrightmatrium.
1
,CorrectmAnswer: SA
Tricuspidmclosesmafter -mwave.
CorrectmAnswer: P
Impulsemtravelsmto node.
CorrectmAnswer: AV
WhatmismAV-Nodal mDelay?
CorrectmAnswer: SAmnodemimpulsemtomAVmnodemandmdelayedm(P-R minterval)
Whatmismisovolumetricmcontraction?
CorrectmAnswer: Tricuspidmclosesm-->mventriclemcontracts
QRSmcomplexmoccursmduemto .
CorrectmAnswer: Ventricularmdepolarization
Mid-systolemcausesmenough mpressuremtomblow mopen valves.
CorrectmAnswer: pulmonicmsemilunar
Bloodmexitsmthemheartmviampulmonary tomthemlungs.
CorrectmAnswer: artery
2
,Thempulmonarymarterymcarriesm blood.
CorrectmAnswer: deoxygenated
Whatmaremthemtwomarteriesmthatmcarrymdeoxygenatedmblood?
CorrectmAnswer: 1.mPulmonarymartery
2.mUmbilical marterym(in mfetus)
Bloodmismoxygenatedmvia .
CorrectmAnswer: Bohrmeffect
How mmanymO2mmoleculesmaremin mhemoglobin?
CorrectmAnswer: 4
In mthemlungs, %mhemoglobin mismsaturatedmwith mO2.
CorrectmAnswer: 97
In mthemlungsmthemBohrmeffectmcauses CO2, H+, DPG,mand temp.
(increasemormdecrease)
CorrectmAnswer: decreasedmformallm4
Bloodmexitsmlungmviampulmonary intomthemleftmatrium.
CorrectmAnswer: vein
3
, Whatmaremthemtwomveinsmthatmcarrymoxygenatedmblood?
CorrectmAnswer: 1.mPulmonarymvein
2.mUmbilical mvein m(in mfetus)
In mthematrium, %mof mbloodmpassivelymflowsmintomthemleftmventricle
CorrectmAnswer: 80
In mthematriummthemotherm20%mof mbloodmflowsmintomthemleftmventriclemby .
CorrectmAnswer: P-wave
How mdoesmbloodmflow mthrough mthemleftmventricle?
CorrectmAnswer: Mitral mclosesm-->misovolumetricmcontraction m-->mbuildsmtension m-->mmid
systolem-->maorticmvalvesmopen m-->mbloodmrushesmintomaorta
Themumbilical mvein mbecomes .
CorrectmAnswer: ligamentummteres
Themligamentousmteresmseparatesmthe lobemfrom lobemof mthemliver.
CorrectmAnswer: left;mquadrate
Diastole .m(contractsmormrelaxes)
CorrectmAnswer: relaxes
4
m m m m m
OLD PACKET) EXAM | QUESTIONS & A
m m m m m m
NSWERS (VERIFIED) | LATEST UPDAT
m m m m
E | GRADED A+ m m m
BloodmfrommUppermExtremitymgoesmintomthemheartmfrommthe .
CorrectmAnswer: SuperiormVenamCava
BloodmfrommLowermExtremitymgoesmintomthemheartmfrommthe .
CorrectmAnswer: InferiormVenamCava
WheremdoesmthemAzygousmvein mdrain mintomthemheartmfrom?
CorrectmAnswer: LumbarsmintomSVC
%mof mbloodmpassivelymflowsmintomthemrightmventricle.
CorrectmAnswer: 80
%mneedsmatrial mcontraction.
CorrectmAnswer: 20
P-wavemstartsmat nodemin mCristamTerminalsmof mrightmatrium.
1
,CorrectmAnswer: SA
Tricuspidmclosesmafter -mwave.
CorrectmAnswer: P
Impulsemtravelsmto node.
CorrectmAnswer: AV
WhatmismAV-Nodal mDelay?
CorrectmAnswer: SAmnodemimpulsemtomAVmnodemandmdelayedm(P-R minterval)
Whatmismisovolumetricmcontraction?
CorrectmAnswer: Tricuspidmclosesm-->mventriclemcontracts
QRSmcomplexmoccursmduemto .
CorrectmAnswer: Ventricularmdepolarization
Mid-systolemcausesmenough mpressuremtomblow mopen valves.
CorrectmAnswer: pulmonicmsemilunar
Bloodmexitsmthemheartmviampulmonary tomthemlungs.
CorrectmAnswer: artery
2
,Thempulmonarymarterymcarriesm blood.
CorrectmAnswer: deoxygenated
Whatmaremthemtwomarteriesmthatmcarrymdeoxygenatedmblood?
CorrectmAnswer: 1.mPulmonarymartery
2.mUmbilical marterym(in mfetus)
Bloodmismoxygenatedmvia .
CorrectmAnswer: Bohrmeffect
How mmanymO2mmoleculesmaremin mhemoglobin?
CorrectmAnswer: 4
In mthemlungs, %mhemoglobin mismsaturatedmwith mO2.
CorrectmAnswer: 97
In mthemlungsmthemBohrmeffectmcauses CO2, H+, DPG,mand temp.
(increasemormdecrease)
CorrectmAnswer: decreasedmformallm4
Bloodmexitsmlungmviampulmonary intomthemleftmatrium.
CorrectmAnswer: vein
3
, Whatmaremthemtwomveinsmthatmcarrymoxygenatedmblood?
CorrectmAnswer: 1.mPulmonarymvein
2.mUmbilical mvein m(in mfetus)
In mthematrium, %mof mbloodmpassivelymflowsmintomthemleftmventricle
CorrectmAnswer: 80
In mthematriummthemotherm20%mof mbloodmflowsmintomthemleftmventriclemby .
CorrectmAnswer: P-wave
How mdoesmbloodmflow mthrough mthemleftmventricle?
CorrectmAnswer: Mitral mclosesm-->misovolumetricmcontraction m-->mbuildsmtension m-->mmid
systolem-->maorticmvalvesmopen m-->mbloodmrushesmintomaorta
Themumbilical mvein mbecomes .
CorrectmAnswer: ligamentummteres
Themligamentousmteresmseparatesmthe lobemfrom lobemof mthemliver.
CorrectmAnswer: left;mquadrate
Diastole .m(contractsmormrelaxes)
CorrectmAnswer: relaxes
4
