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Anatomy 2 > Lab Heart > Flashcards

Lab Heart Flashcards

1
Q

what is the function of the fluid that fills the pericardial sac

A

it allows the heart to beat with little friction

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2
Q

location of the heart in the thorax

A

mediastinum

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3
Q

superior heart chambers

A

atria

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4
Q

inferior heart chambers

A

ventricles

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5
Q

visceral pericardium

A

epicardium

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6
Q

receiving chambers of the heart

A

atria

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7
Q

equals cardiac muscle

A

myocardium

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8
Q

provide nutrient blood to the heart muscle

A

coronary arteries

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9
Q

lining of the heart chambers

A

endocardium

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10
Q

actual pumps of the heart

A

ventricles

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11
Q

drains the blood into the right atrium

A

coronary sinus

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12
Q

what is the function of the valves found in the heart

A

to enforce the blood flow in one direction by opening and closing in response to differences in blood pressure

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13
Q

what is the role of the chordae tendineae

A

to secure the cusps to the papillary muscles that protrude from the ventricular walls

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14
Q

what is the broad schematic of systemic circulation

A

systemic arteries-systemic capillaries-systemic veins-heart

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15
Q

what is the broad schematic of pulmonary circulation

A

pulmonary veins-lungs-pullmonary capillaries-pulmonary arteries-heart

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16
Q

what is the role of the pulmonary circulation

A

sends carbon dioxide rich blood to the lungs to deposit the carbon carbon dioxide and get oxygen to return to the heart

17
Q

what is the role of the systemic circulation

A

takes oxygen rich blood from the heart to the body tissue then back to the heart

18
Q

if the mitral valve does not close properly which circulation is affected

A

systemic

19
Q

found between pulmonary trunk and the aorta; cordlike remnant of the fetal ductus arteriosus

A

Ligamentum arteriosum

20
Q

oval depression in the interatrial septum; marks site of an opening in the fetal heart

A

fossa ovalis

21
Q

translates to “beams of meat”; pitted, ridged appearance of inner ventricular muscle

A

Trabeculae carneae

22
Q

small bundles of cardiac muscle where chordate tendinae originate

A

papillary muscles

23
Q

heart strings”; tiny white cords that anchor cusps of AV valves to ventricular walls

A

Chordae tendinae

24
Q

what are the three branches coming off the aorta in humans

A

a. Brachiocephalic artery
b. Lt. Common carotid artery
c. Lt. Subclavian artery

25
Q

what branch that comes off the aorta is not in quadripeds

A

Lt. Common carotid artery

26
Q

blood supply that nourished the myocardium of the heart; functional blood supply of the heart

A

Coronary (Cardiac) Circulation

Anatomy 2 (24 decks)

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