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BIO 669 EXAM 2 QUESTIONS WITH CORRECT ANSWERS
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BIO 669 EXAM 2 QUESTIONS WITH CORRECT ANSWERS
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BIO 669 EXAM 2 QUESTIONS WITHCORRECT ANSWERS
Thromboangiitissobliteranss(Buergerssdisease)sissansautoimmunesconditionsthatsis:
a.sAsresultsofsoversactivationsofsthesintrinsicsandsextrinsicsclottingssystemssystemically
b.sCharacterizedsbysattackssofsvasospasmsinsthessmallsarteriessandsarteriolessofsthesfinge
rssandstoes
c.sStronglysassociatedswithssmoking
d.sAssociatedswithsjanewayslesionssandsOslerssNodess-
sc.sStronglysassociatedswithssmoking
WhichsofsthesfollowingsissnotsassystemicsdiseasesthatsissassociatedswithsRaynaud'ssPheno
menon?
a.sCongestivesheartsfailure
b.sCollagensvascularsdiseasesssuchsassscleroderma
c.sPulmonaryshypertension
d.sMyxedemasorssmokings-sa.sCongestivesHeartsFailure
WhichsofsthesfollowingsissNOTsasprimarysfactorsinsdeterminingspreload?
a.sVenoussreturnsduringsdiastole
b.sEndssystolicsvolume
c.sTotalsperipherals(systemic)sresistance
d.sAllsofsthesabovesaresprimarysfactorssofspreloads-
sc.sTotalsperipherals(systemic)sresistance
,WhichsofsthesfollowingsstatementssaresINCORRECT
a.sThesmeansarterialspressuresissthesaveragesforcesofspushingsbloodsthroughsthessystemic
scircuit.
b.sThespulsespressuresissthesdifferencesbetweenssystolicsandsdiastolicspressures
c.sAsdecreasesinsaorticscompliancesincreasessitssstiffnesssandsthusscansleadstosansincreas
esinspulsespressures
d.sProstacyclins,swhichsaresdiminishedsbysNSAIDs,saresvasoconstrictors.s-
sd.sProstacyclins,swhichsaresdiminishedsbysNSAIDS,saresvasoconstrictors
Whichsofsthesfollowingsissincorrectsregardingsthesisometricscontractionsphasesofsthescardia
cscycle?
a.sBloodsdoessnotsflowsthroughsthesheartsatsthisstime.
b.sThesatriasarescontracting
c.sThesvalvessaresclosed
d.sItsoccurssduringsventricularssystoles-sb.sThesatriasarescontracting
Thesresistancesofsmovementsofsbloodsfromsthesleftsventriclestosthesaortasisstermedsthe:
a.sEjectionsfraction
b.sCompliance
c.sPreload
d.sAfterloads-sd.sAfterload
Natriureticspeptidessactsby:
a.sStimulatesssecretionsofsNa+s(andsthussdecreasessurinesvolume)sfromstheskidneys
b.sStimulatedsthesreleasesofsNa+s(thussincreasessurinesvolume)sfromstheskidneys
c.sIncreasessvascularssmoothsmusclescontractions(vasoconstriction)
d.sStimulatessincreasedsheartsrate,scontractility,sandscardiacsoutputs-
sb.sStimulatesthesreleasesofsNa+s(thussincreasingsurinesvolume)sfromstheskidneys
,Thesdoubleslayeredsseroussmembranessurroundingsthesheartsthatsfunctionsstosminimizesfr
ictionsfromsthesheartsmovementsissthe:
A.sMyocardium
B.sEndocardium
C.sPeritoneum
D.sPericardiums-sD.sPericardium
Prinzmetalsanginasis:
a.sAstransientsischemiasofsthesmyocardiumsthatsoccurssunpredictably
b.sMyocardialsischemiasthatsmaysnotscausesdetectablessymptoms
c.sIschemiasthatsoccurssaftersaspredictablesamountsofsexercise
d.sThesrupturesofsansunstablesplaques-
sa.sAstransientsischemiasofsthesmyocardiumsthatsoccurssunpredictably
Progressivesvenoussdistensionsofsthesheadsandsuppersextremitiessresultingsfromsgrowthso
fsascancerousstumorsonsthesrightsmainstemsbronchussissbestsdescribedsclinicallysby:
A.sDeepsveinsthrombosis
B.sSpinalsshock
C.sSuperiorsvenascavassyndrome
D.sCarcinoidssyndromes-sC.sSuperiorsVenasCavasSyndrome
Thesmostscommonscausesofsaneurysmsis:
A.sExternalsHematoma
B.sAtherosclerosisswithshypertension
C.sGenetics
D.sCongestivesheartsfailures-sB.sAtherosclerosisswithshypertension
Ansatheroscleroticsareasthatshassrupturedsisstermedsa:
A.sFibroussplaque
, B.sComplicatedsplaque
C.sFattysstreak
D.sAneurysms-sB.sComplicatedsplaque
ThesPRsIntervalsrepresentssthestimesfrom:
A.sThesonsetsofsatrialssystolestosthescompletionsofsatrialsdiastole
B.sThesonsetsofsatrialssystolestosthesonsetsofsventricularsdiastole
C.sThesonsetsofsatrialssystolestosthesonsetsofsventricularsdiastole
D.sThesonsetsofsatrialssystolestosthesonsetsofsventricularssystoles-
sD.sThesonsetsofsatrialssystolestosthesonsetsofsventricularssystole
Thescircumflexsarterysoffsofsthesleftscoronarysartery:
A.sLeftsatriumsandsventricle
B.sThestwosatria
C.sThestwosventricles
D.sThesaortasandsthespulmonarysarterys-sA.sLeftsatriumsandsventricle
Thesstructuressthatsconnectsthesleaflets/
cuspssandshelpstospreventsprolapsesofsthesAVsvalvessissthe:
A.sChordaestendineaesandspapillarysmuscles
B.sCardiomyocytes
C.sInterventricularsseptum
D.sCoronarysostias-sA.sChordaestendineaesandspapillarysmuscles
Hypertensivescrisiss(malignantshypertension)sissbestsdefinedsas:
A.sAnsadvancingsfailuresofssystemicscirculationsassthesheartsweakens
B.sRapidlysprogressiveshypertensionswithsasdiastolicspressuresofs140smmHgsorsmore
C.sAspulsespressuresofsgreatersthans60
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