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unit 3 > heart > Flashcards

heart Flashcards

1
Q

right border of the heart

A

SVC and right atrium

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2
Q

left border of the heart

A

aortic arch, pulmonary artery, left auricle, and left ventricle

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3
Q

inferior border of the heart

A

right ventricle and small part of left ventricle

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4
Q

fibrous pericardium

A

tough outer layer, continuous with central tendon of diaphragm

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5
Q

serous pericardium

A

inner layer, produces a molecular layer of pericardial fluid

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6
Q

parietal serous pericardium

A

lines the inside of the fibrous pericardium

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7
Q

visceral serous pericardium

A

on the surface of the heart

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8
Q

transverse sinus

A

separates arteries from veins

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9
Q

oblique sinus

A

behind heart, surrounded by venous reflections

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10
Q

cardiac tamponade

A

accumulation of fluid or air in the pericardial space, inhibits ability of heart to fill with blood

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11
Q

two spots where pericardial sac can be accessed without compromising lungs

A

just to the left of the sternum in the 5th intercostal space or below the xiphoid process

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12
Q

most anterior chamber of the heart

A

right ventricle

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13
Q

most posterior chamber of the heart

A

left atrium

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14
Q

what chamber of the heart is in direct contact with the esophagus

A

left atrium

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15
Q

fossa ovalis

A

remnant of the embryonic foramen ovale in the right atrium

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16
Q

what determines heart dominance?

A

the artery that gives rise to the posterior interventricular artery

17
Q

left coronary artery

A

supplies left V and A, anterior 2/3 of septum, anterior portion of right V, and the SA node

18
Q

right coronary artery

A

supplies right V and A, posterior 1/3 of septum, posterior portion of the left V, and the SA node

19
Q

SA node arterial supply

A

RCA or L circumflex

20
Q

AV node arterial supply

A

RCA or L circumflex

unit 3 (13 decks)

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