Heart Flashcards

1
Q

The _____ valve guards the opening between the right ventricle and the pulmonary trunk.

A

pulmonary semilunar

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2
Q

The thickest layer of the heart wall is the _____.

A

myocardium

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3
Q

The _____ node is the natural pacemaker of the heart.

A

SA

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4
Q

Blood from the upper extremities and head returns to the heart via the _____ Vena Cava.

A

superior

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5
Q

layer of the pericardium continuous with the lining of the great vessels.

A

endocardium

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6
Q

branch of the right coronary artery

A

posterior interventriculara.

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7
Q

vein into which all cardiac veins empty

A

coronary sinus

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8
Q

Pulmonary _____ empty into the left atrium.

A

veins

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9
Q

___ carry blood away from the heart

A

arteries

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10
Q

epithelial lining of the heart cavity that is continuous with the lining of the vessels

A

endocardium

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11
Q

middle layer of the heart

A

myocardium

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12
Q

The middle layer of the heart is formed mostly by ___ tissue.

A

cardiac muscle

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13
Q

The ___ forms the apex of the heart.

A

left ventricle

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14
Q

The ____ of the heart receives oxygen-poor blood from the SVC and IVC.

A

right atrium

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15
Q

mitral valve

A

bicuspid

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16
Q

The ___ valve guards the opening between the right ventricle and the pulmonary trunk

A

pulmonary semilunar

17
Q

The coronary arteries are direct branches of the ___.

A

ascending aorta

18
Q

The ___ is a fetal opening between the 2 atria.

A

foramen ovale

19
Q

remnant of a fetal structure that allows blood to flow from the pulmonary trunk directly into the aorta, bypassing the lungs

A

ligamentum arteriosum

20
Q

listening to heart sounds generated by movement of the valves

A

auscultation

21
Q

The ___ artery is a direct branch of the left coronary artery.

A

anterior interventricular

22
Q

The coronary sinus empties blood into the ____.

A

right atrium

23
Q

continuous interconnection between 2 arteries

A

anastomosis

24
Q

relaxation of the ventricles

A

diastole

25
Q

the natural pacemaker of the heart

A

SA node

26
Q

____ muscles attach to chordae tendinae.

A

papillary

27
Q

conductive tissues that stimulate the ventricles of the heart

A

Purkinje fibers

28
Q

atrioventricular valve between the right atrium and right ventricle

A

tricuspid valve