系统解剖学脉管系统心脏结构与功能要点.pdfVIP

1.heart()

Aislocatedinsidethechest,weenthelungs,sittingonthediaphragm,mostlyo

ntherightsideofthechest.BThecoronarysulcusisacontinuousshallowgroove

thatdifferentiatestheatriafromtheventric.CCoronaryarteriesarethearteries

thatnourishtheheart.DThefossaovaleisclosedthroughout.

2.Inadults,weentheleftandrightatriaandtheleftandrightventric()

ATheatriaonthesameside

areconnected.BThe

ventriconthesamesideare

connected.CTheroomsonthe

samesideareconnected.D

Theleftatriumcommunicates

withtherightventricle.

3.Thevalvearoundtheleftatriumandventricularopeningoftheheartis()

AAortic

valveB

Pulmonary

valveC

Mitralvalve

DTricuspid

valve

4.Whentheleftventriclecontracts()

AAorticvalveisopen,mitralvalveis

open.BTheaorticvalveclosesandthe

mitralvalvecloses.CThemitralvalve

closesandtheaorticvalveopens.DThe

mitralvalveisopenandtheaortic

valveisclosed.

5.Thedistributionofheartvalvesis()

AAllinletsandoutletshave

valves.

BVeinopeningsallhave

valves.

CAllarterialopenings

havevalves.

DTherearevalvesexcepttheopening

ofthesuperiorvenacava.

6.Pulmonarycirculation()

AStartingfromtheleft

ventricleBTransporting

nutrientsCTurningvenous

bloodintoarterialbloodD

Alloftheabovearecorrect

7.Thelargebloodvesselsdirectlyconnectedtotheleftventricleare()

APulmonary

arteryB

Coronary

arteryC

Aorta

D上腔静脉

8．直接与心脏相连的大血管是()

A主动脉、肺动脉、上腔静脉、下腔静脉

B主动脉、肺静脉、上腔静脉、下腔静脉

C主动脉、肺动脉、肺静脉、上腔静脉、下腔静脉