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SPSC 2275 EXAM > Cardiovascular Physiology (fill in blanks) > Flashcards

Cardiovascular Physiology (fill in blanks) Flashcards

POTENTIAL FILL IN THE BLANKS

1
Q

What’s the muscle layer of the heart?

A

Myocardium

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2
Q

What divides the heart into left and right valves?

A

Septum

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3
Q

What regulates blood flow between the chambers?

A

Valves

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4
Q

_______ is when coronary arteries branch directly off the aorta, supplying blood to the myocardium

A

Coronary Circulation

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5
Q

______ is also referred as a heart attack (ventricular ischemia)

A

Myocardial infarction

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6
Q

What part of the brain helps control heart rate?

A

Medulla Oblongata

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7
Q

Medulla communicates with the heart via? (two answers)

A

Accelerator Nerve (Sympathetic) and Vagus Nerve (parasympathetic)

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8
Q

____ receptors detect nor-epinephrine from accelerator nerve and circulation in blood

A

B-adrenergic

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9
Q

% of left ventricle ejected each beat?

A

Ejection fraction

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10
Q

what removed the lifespan of a red blood cell?

A

Spleen

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11
Q

Blood cells divided by volume of blood

A

Hematocrit

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12
Q

What occurs in the smooth muscle layer of the blood vessels? (two answers)

A

vasoconstriction and vasodilation

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13
Q

Capillaries is where actual nutrient exchange occurs, why? (two answers)

A

slow blood flow and thin vessel lining

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14
Q

Pressure exerted by the blood on the walls of the vessels are monitored by ?

A

baroreceptors

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15
Q

____ measures the pressure in arteries when heart contracts

A

systolic

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16
Q

_____ measures pressure when heart relaxes

A

diastolic

17
Q

You may have a high blood pressure due to what? (two answers)

A

Narrowed blood vessels AND increased blood volume

18
Q

_______ is a physiological principle that explains how the heart responds to changes in venous return. Increases in venous return cause the heart’s chambers to fill with more blood, which then causes the heart to stretch and contract more forcefully, and pump more blood out to the rest of the body

A

Frank-Starling Mechanism

SPSC 2275 EXAM (18 decks)

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