lab M2 L3 Flashcards

1
Q

what cavity is the heart located in?

A

thoracic cavity

between the lungs

in small space called mediastinum

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2
Q

what is the serous membrane that separates the heart from the lung pleura?

A

pericardium

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3
Q

layers of pericardium

A

fibrous pericardium is outer layer

serous pericardium is under fibrous pericardium

serous pericardium contains:
parietal layer
pericardial cavity (filled with serous fluid)
visceral layer

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4
Q

what is the visceral layer of the serous pericardium also called?

A

epicardium

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5
Q

what are the layers of the heart wall?

A

epicardium

myocardium

endocardium

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6
Q
A

aorta

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7
Q
A

superior vena cava

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8
Q
A

inferior vena cava

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9
Q
A

pulmonary trunk

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10
Q
A

left atrium

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11
Q
A

right atrium

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12
Q
A

left ventricle

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13
Q
A

right ventricle

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14
Q
A

left pulmonary veins

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15
Q
A

right pulmonary veins

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16
Q

groove/depression

A

interventricular sulcus

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17
Q

groove/depression

A

atrioventricular sulcus

18
Q
A

right atrioventricular valve
tricuspid valve

19
Q
A

left atrioventricular valve
bicuspid valve
mitral valve

20
Q
A

aortic semilunar valve

21
Q
A

pulmonary semilunar valve

22
Q
A

papillary muscles

23
Q

irregular muscular ridges inside ventricles

A

trabeculae carneae

24
Q

muscular ridges inside atria

A

pectinate muscles

25
Q
A

chordae tendineae

26
Q

artery

A

right coronary artery

27
Q
A

(right) marginal artery

28
Q

artery

A

left coronary artery

29
Q

artery

A

anterior interventricular artery

left anterior descending artery

30
Q

artery

A

circumflex artery

31
Q

artery

A

posterior interventricular artery

32
Q
A

coronary sinus

33
Q

vein

A

great cardiac vein (also vein that runs along with anterior interventricular artery)

34
Q

vein

A

middle cardiac vein

35
Q

trace pathway of blood through the heart

A

superior and inferior vena cava

right atrium

tricuspid valve

right ventricle

pulmonary valve

pulmonary trunk/artery

lungs

pulmonary veins

left atrium

mitral valve

left ventricle

aortic valve

aorta

body

36
Q

how many leaflets does each valve have?

A

tricuspid: 3

mitral: 2

pulmonary: 3

aortic: 3

37
Q

which valves have chord tendineae and papillary muscles?

38
Q

pulmonary circuit

A

right atrium

right ventricle

pulmonary trunk

pulmonary arteries

lungs

left atrium

left ventricle

body

39
Q

systemic circuit

A

left atrium

left ventricle

aorta

body

right atrium

right ventricle

lungs