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cardiovascular review Flashcards

1
Q

blood moves away from heart

A

arteries

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2
Q

tunica interna

A

smooth muscle

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3
Q

tunica media artery

A

thick layer

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4
Q

tunica externa

A

flexibility to stretch, connects to capillaries

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5
Q

artery blood

A

O2

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6
Q

vein blood

A

DeO2

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7
Q

artery BP

A

high BP

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8
Q

coronary artery and vein

A

wrap around the heart and it gets blood into it

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9
Q

blood moves toward the heart

A

veins

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10
Q

tunica media vein

A

thinner

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11
Q

lumen arterty

A

smaller

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12
Q

lumen vein

A

larger

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13
Q

largest artery

A

aorta

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14
Q

largest vein

A

inferior vena cava

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15
Q

exception to the DeO2 blood of veins

A

pulmonary veins

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16
Q

exception to O2 blood from arteries

A

pulmonary artery

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17
Q

capillaries tunic

A

intima

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18
Q

capillaries are

A

semipermeable to allow platelets and RBCS to pass through

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19
Q

what to capillaries connect

A

arterioles to venules

20
Q

which holds more blood

21
Q

how long for one full circulation

22
Q

avg bpm

23
Q

lub

A

closing of ventricles

24
Q

dub

A

closing of atria

25
Q

cardiac conduction system order

A

SA node- AV node- Bundle of HIS- Bundle branches- purkinje fibers

26
Q

P wave

A

depolarization of atrium

27
Q

QRS

A

depolarization of ventricles

28
Q

T

A

re polarization of ventricles

29
Q

High K+

A

decreases the rate of contraction

30
Q

High Ca+

A

prolong contractions

31
Q

systolic

A

when the ventricles contract

32
Q

diastolic

A

ventricles relax

33
Q

murmurs

A

abnormal whooshing sound mainly from a leaky valve

34
Q

arrhythmia

A

irregular heart beats

35
Q

heart attacks

A

veins and vessels leading to the heart are clogged

36
Q

hypertension

37
Q

stroke

A

blockage in the blood flow to the brain

38
Q

arteriosclerosis

A

hardening of the arteries

39
Q

aneurysm

A

abnormal widening of an artery due to a weaker wall

40
Q

valve purpose

A

regulates blood flow and separates the top and bottom chambers

41
Q

arteries get smaller and smaller as they spread through the body

42
Q

depolarization of SA node

A

decreases the permeability of K+, causes depolarization of heart

43
Q

depolarization of AV node

A

impulse is delayed and allows he atria to contract completely

44
Q

purkinje fibers

A

causes the ventricles to contract as a unit

45
Q

what’s made of simple squamous epithelial cells, prevents coagulation, and dilates or constricts blood vessels

A

tunica intima

46
Q

tunica externa makeup

A

connective tissues, collagen, and elastic fibers

47
Q

arteries do not have valves, except in the case of the pulmonary and aortic vavles

A and P terms (13 decks)

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