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IPHY > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

arteries

A

carry blood away from the heart

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2
Q

veins

A

carry blood toward the heart

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3
Q

pulmonary circuit

A

route between heart and lungs
allow blood to pick up oxygen

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4
Q

Route of Pulmonary Circuit

A

R ventricle > pulmonary trunk > pulmonary arteries > lungs> pulmonary veins > L atrium

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5
Q

Systematic circuit

A

route between heart and body tissues
brings oxygen to cells

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6
Q

Systematic circuit Route

A

L ventricle > aorta > cells of body > veins > R atrium

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7
Q

Heart sits where?

A

left to the midline (with left tilt), top of diaphragm

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8
Q

pericardium

A

triple layered sac enclosing the heart

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9
Q

pericardium outer layers

A

fibrous pericardium (dense irregular CT)

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10
Q

function os tough, fibrous pericardium

A

anchors heart
prevents overflow

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11
Q

pericardium inner layer

A

serous pericardium

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12
Q

Serous pericardium is made of

A

visceral pericardium; pericardial cavity/parietal pericardium

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13
Q

Cardiac Tamponade

A

occurs with excess pericardial fluid aka pericardial effusion

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14
Q

Layers of pericardium and heart wall

A

epicardium , myocardium, endocardium

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15
Q

ventricle features

A

papillary muscles, chordae tendinae

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16
Q

epicardium is made of

A

visceral pericardium

17
Q

myocardium is made of

A

cardiac muscle tissue

18
Q

endocardium is made of

A

simple squamous

19
Q

Right AV valve

A

tricuspid

20
Q

left AV valve

A

bicuspid

21
Q

AV valves are found

A

between the atria and ventricles

22
Q

Pulmonary semilunar valves are found

A

between R ventricle and pulmonary trunk

23
Q

aortic semilunar valves are found

A

between L ventricle and aorta

24
Q

“lub dub” sounds due to

A

closing of heart valves

25
Q

lub sound

A

closing of AV valves

26
Q

dub sound

A

closing of semi lunar valves

27
Q

heart murmur is due to

A

an incompetent valve

28
Q

barrier between atria and ventricles

A

fibrous skeleton

29
Q

the only pathway from atria to ventricles

A

AV node

30
Q

Cardiac conduction system

A

SA node (R atrium) stimulates atria and AV node via internodal path way > AV node > AV bundle > R and L bundle branches > purkinje fibers

31
Q

cardiac cells have

A

autorhythmicity

32
Q

atria contract

A

top to bottom (simultaneously)

33
Q

ventricles contract

A

bottom to top (simultaneously)

34
Q

blood supply to heart

A

right coronary artery , left coronary artery, cardiac veins, and drains blood to coronary sinus

35
Q

drained blood from coronary sinus empties into where?

A

Right atrium

36
Q

arteriosclerosis

A

hardening of arteries, plaque build up

IPHY (5 decks)

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