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PHLE > Heart Anatomy > Flashcards

Heart Anatomy Flashcards

1
Q

Largest artery

A

Aorta

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2
Q

Blood enters this area via right atria, then it pumps blood to lungs

A

Right ventricle

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3
Q

Pumps blood to aorta

A

Left ventricle

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4
Q

Vena cava delivers deoxygenated blood to this area which pumps blood from body to right ventricle

A

Right atria

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5
Q

Oxygenated blood enters this area via pulmonary vein from lungs, then travels down to left ventricle

A

Left atria

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6
Q

Brings blood from upper body back to heart

A

Superior vena cava

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7
Q

Brings blood from legs back to heart

A

Inferior vena cava

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8
Q

Path of blood from body to lungs

A

Body to vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs

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9
Q

Path of blood from lungs to body

A

Lungs to pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta, body

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10
Q

Average lifespan of red blood cells

A

120 days

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11
Q

Blood vessel layers

A

Tunica intima (endothelium), tunica media (smooth muscle & elastin), tunica externa (collagen)

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12
Q

Tricuspid valve

A

between right atria & ventricle

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13
Q

Mitral (bicuspid) valve

A

between left atria & ventricle

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14
Q

Pulmonary valve

A

Between right ventricle and pulmonary artery

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15
Q

Aortic valve

A

Between left ventricle and aorta

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16
Q

AV (atrioventricular) valves

A

Tricuspid & mitral (bicuspid) valves

17
Q

SL (semilunar) valves

A

Pulmonary & aortic valves

18
Q

Systole

A

AV valves close to prevent backflow, SL valves open, blood flows from ventricles to pulmonary artery & aorta via ventricular contraction

19
Q

Diastole

A

AV valves open, SL valves close, blood flows down from atria to ventricles via

20
Q

Sodium/Potassium Pump

A

uses 1 ATP to move 2 K+ into cell and 3 Na+ out of cell

21
Q

Arrhythmia

A

lack of regular pattern

22
Q

Ectopic

A

out of the usual place

23
Q

Focus

24
Q

Foci

A

more than one focus (location)

25
Q

Multifocal

A

many locations

26
Q

Sinus

A

Normal rhythm/rate (60-100bpm)

27
Q

Bradycardia

A

Slow rate (<60bpm)

28
Q

Tachycardia

A

Fast rate (>100bpm)

29
Q

Sinus Bradycardia

A

normal rhythm, slow rate

30
Q

Sinus Tachycardia

A

normal rhythm, fast rate

31
Q

Sinus rhythm

A

impulse originating from SA node

32
Q

Fibrillation

A

muscular quivering instead of an organized contraction

33
Q

T-wave

A

repolarization of ventricles

34
Q

Q-T interval

A

depolarization and repolarization of ventricles

PHLE (12 decks)

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