Test 1 Review Flashcards

1
Q

Papillary Muscle

A

holds mitral and tricuspid in place and prevents leakage through av vales during systole

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2
Q

automacity

A

spontaneous creation of electricity by specific myocardial cells

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3
Q

excitability

A

ability to respond to impulse/ electrical stimulation

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4
Q

conductivity

A

transmits and recieve electrical impulses

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5
Q

contractibility

A

myocardial cells to shorten and contract before recovering from ventricular contraction

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6
Q

vagus nerve

A

connects heart to brain

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7
Q

Diaphoresis

A

excessive sweating

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8
Q

Renin

A

venous constrictor excreted from kidneys

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9
Q

Coronary Sinus

A

collection site for deoxygenated blood

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10
Q

venules

A

smallest veins

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11
Q

great coronary vein

A

waste that goes into coronary sinus

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12
Q

infarct

A

where hemorrhage occurred in vessels and can cause a clot

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13
Q

bundle of his

A

connects upper and lower chambers of the heart

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14
Q

lv filled

A

endiastolic volume

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15
Q

remains in lv

A

endystolic volume

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16
Q

systole

A

contraction phase

17
Q

preload

A

amount of blood in lv and the pressure used to stretch muscle fibers

18
Q

afterload

A

resistance needed to pump blood