Q:l Thel threel majorl determinantsl ofl myocardiall oxygenl demandl MVO2l

Q:l Thel threel majorl determinantsl ofl myocardiall oxygenl demandl (MVO2)l

includel eachl ofl thel followingl except:

Answer:

diastolicl pressure

Q:l Filll inl thel Blank:l ______l isl thel mostl importantl factorl inl myocardiall oxygenl demand.l Asl thisl increases,l myocardiall oxygenl consumptionl orl demandl alsol increases.

Answer:

heartl rate

Q:l Whatl isl thel mostl commonl causel ofl cardiogenicl shock?

Answer:

myocardiall infarction

Verifiedl Questionsl &l Answersl |l Gradel A

BIOL 331/ BIOL331 Modules 4 & 5:l

(Latestl 2026/l 2027l Update)l 100%l 1 / 3

Q:l whichl doesl NOTl occurl duringl cardiogenicl shock?

Answer:

decreasedl systemicl vascularl resistance

Q:l 1.l Explainl howl ventricularl hypertrophyl isl anl adaptivel mechanism:

2.l Whatl happensl duringl exercisel inl someonel withl coronaryl arteryl disease?

Answer:

1.l Anl increasel inl walll stressl canl bel causedl byl anl increasel inl preloadl orl afterload.l Ventricularl hypertrophyl isl anl adaptivel mechanisml byl whichl thel ventriclel canl offsetl thel increasel inl walll stress.l ORl Bloodl pressurel elevationl increasesl thel workloadl ofl thel leftl ventriclel byl increasingl thel pressurel againstl whichl thel heartl mustl pumpl asl itl ejectsl bloodl intol thel systemicl circulation.l Overl time,l thel leftl ventriclel hypertrophiesl tol compensatel forl thel increasedl pressurel andl work.

2.l Duringl exertion,l thel heartl beatsl harderl andl fasterl tol supplyl oxygenl tol thel muscles.l Thel coronaryl vesselsl vasodilatel andl increasel bloodl flowl tol thel cardiacl musclel tol meetl itsl increasedl demandl forl oxygen.l Withl atheroscleroticl disease,l thel coronaryl vessell lumensl arel narrowedl andl bloodl supplyl tol thel heartl isl diminished.l Withl exertion,l thel vesselsl cannotl adequatelyl vasodilate.l Thisl canl manifestl asl chestl painl orl tightnessl and/orl shortnessl ofl breath.

Q:l 1.l Hypertensionl isl oftenl calledl "thel silentl killer."l Byl thel timel symptomsl ofl hypertensionl occur,l thel complicationsl canl affectl thel kidneys,l heart,l eyes,l andl bloodl vessels.l Whatl isl thisl terml called?

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2.l Leftl ventricularl hypertrophyl isl al majorl riskl factorl forl whatl otherl diseases?l Namel atl leastl 2.

Answer:

1.l Target-organl damage

2.l coronaryl heartl disease,l cardiacl dysrhythmias,l congestivel heartl failure,l andl suddenl death.

Q:l Thel mostl commonl causel ofl deathl immediatelyl afterl thel onsetl ofl

acutel myocardiall infarctionl is:

Answer:

arrhythmia

Q:l Al 40-year-oldl womanl isl hospitalizedl withl al chronicl illnessl

characterizedl byl hepatomegaly,l distendedl neckl veins,l andl peripherall edema.l Whichl ofl thel followingl disordersl isl thel mostl likelyl causel ofl thesel findings?

Answer:

rightl heartl failure

Q:l Uponl seeingl thisl onl yourl patient,l whichl diseasel wouldl youl screenl

for?showsl picturel ofl xanthomasl (cholesteroll depositsl aroundl eyesl andl skinl ofl joints)

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