HEART Flashcards

1
Q

make
up the cardiovascular system

A

the heart, the blood vessels, and the blood

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2
Q

The right side of the heart pumps blood to the
lungs and back to the left side of the heart through vessels of the

A

pulmonary circulation

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3
Q

The left side of the heart
pumps blood to all other tissues of the body and back to the right
side of the heart through vessels of the

A

systemic circulation.

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4
Q

The heart, trachea,
esophagus, and associated structures form a midline partition

A

MEDIASTINUM

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5
Q

The heart is surrounded by its own cavity

A

PERICARDIAL CAVITY

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6
Q

an emergency procedure that maintains blood flow in the body if a person’s
heart stops.

A

cardiopulmonary resuscitation

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7
Q

The outer layer is tough, fibrous connective tissue and is called

A

the fibrous pericardium.

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8
Q

The inner layer consists of flat epithelial cells with a thin layer of connective tissue and is called the

A

serous pericardium.

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9
Q

The part lining the fibrous
pericardium is the

A

parietal pericardium

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10
Q

the part covering the heart surface is the

A

visceral PERICARDIUM

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11
Q

helps reduce friction as the heart moves within the pericardium

A

pericardial fluid

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12
Q

are located at the base of the heart

A

atria

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13
Q

extend from the base of the heart

A

left & right ventricles

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14
Q

extends around the heart, separating the atria from the
ventricles.

A

coronary sulcus

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15
Q

refers to the repetitive pumping process that begins
with the onset of cardiac muscle contraction and ends with the beginning of the next contraction

A

cardiac cycle

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16
Q

refers to contraction of
the two atria

A

atrial systole

17
Q

refers to contraction of the two
ventricles.

A

ventricular systole

18
Q

refers to relaxation of
the two atria

A

Atrial diastole

19
Q

refers to relaxation of the two
ventricles

A

ventricular diastole

20
Q

refers to the pressure against which the ventricles
must pump blood.

A

afterload

21
Q

refers to mechanisms external to the heart,
such as either nervous or chemical regulation.

A

Extrinsic regulation