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120: > chpt 13: cardiovascular system > Flashcards

chpt 13: cardiovascular system Flashcards

1
Q

components of cardiovascular sys

A

blood, blood vessels, heart

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2
Q

function of heart

A

transport blood to systemic tissues

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3
Q

how much blood is pumped per min

A

5L/min

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4
Q

what is the anterior portion of the heart protected by?

A

sternum and ribs

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5
Q

the diaphragm covers the ___ surface of the heart

A

inferior

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6
Q

the right and left sides of the hearts are covered by

A

lungs

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7
Q

r superior projections covers

A

r atria

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8
Q

L superior protection covers

A

l atria

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9
Q

r inferior location

A

5th and 6th costal rib

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10
Q

L inferior location

A

5th costal ribs

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11
Q

L superior location

A

2nd costal rib

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12
Q

r.superior location

A

3rd costal rib

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13
Q

apex of heart =

A

ventricles

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14
Q

base of heart =

A

atria

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15
Q

what is fibrous pericardium made of?

A

dict

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16
Q

fibrous pericardium location

A

between pericardium and heart cavity

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17
Q

function of fibrous pericardium

A
  • anchors heart to mediastinum
  • protection
  • prevents over stretching
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18
Q

layers of the heart wall

A
  • epicardium/ visceral
  • myocardium
  • endocardium/mesothelium
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19
Q

epicardium/ visceral location

A

-outermost, outer heart lining

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20
Q

epicardium structures

A

adipose tissues and coronal veins

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21
Q

myocardium structure

A

cardiac muscles, thickest

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22
Q

myocardium function

A

pumps blood/ causes contractions

23
Q

endocardium/ mesothelium location

A

inside heart, heart walls and bv

24
Q

heart markings name

A

sulci

25
Q

sulci Is made of

A

-coronary bv and fat

26
Q

sulci function

A

-boundary between two chambers

27
Q

coronal sulus function

A

-marks the superior atria and inferior ventricles

28
Q

anterior interventricle sulus location / function

A

r and L ventricles

29
Q

posterior interventricle sulus location / function

A

b/w ventricles on posterior side

30
Q

right atrium structures

A
  • smooth muscles pectinate muscles line atria wall
  • fossa ovalis
  • interatrial septum
  • tricuspid av valve
31
Q

which veins does the right atrium receive deoxy blood from?

A
  • inferior and superior vena cava

- coronary sinus

32
Q

fossa ovalis used to be

A

forvavem ovale

33
Q

forvavem ovale function

A

transport blood from r atria to L ventricle

34
Q

ventricle structures

A
  • trabeculae carnea
  • chordae tendinea
  • papillary muscles
35
Q

trabeculae carnea structures

A

-rasises bundles of cardiac muscles fibers

36
Q

chordae tendinea structures

A

-attached to papillary muscles

37
Q

papillary muscles function

A

-secures trabeulare carnea to wall

38
Q

-trabeculae carnea
-chordae tendinea
-papillary muscles
overall function

A

regulate opening and closing of AV valves

39
Q

which ventricle is the thickest and why

A

Left ventricle, pumps blood to body

40
Q

Biscuspid/ Mitral valve

A

lets blood through from L.atria to L.ventricle

41
Q

left ventricle forms the

A

apex

42
Q

av valves function

A

prevent back flow of blood

43
Q

semilunar valves function

A
  • allow ejection of blood from the ventricles

- prevent backflow

44
Q

av valves examples

A

-mitral/ biscuspid valve and tricuspid valve

45
Q

semilunar valves examples

A

-pulmonary valve and aortic valve

46
Q

3 blood circulation systems

A
  • systemic circulation
  • coronary circulation
  • pulmonary circulation
47
Q

left coronary artery’s arteries

A
  • anterior inter ventricular artery

- circumflex artery

48
Q

anterior inter ventricular artery location

A

walls of both ventricles and interventricular septum

49
Q

circumflex artery location

A

-wall of left atrium and ventricle

50
Q

right coronary artery’s arteries

A

marginal artery and post inter ventricular artery

51
Q

autorythmic cells meaning

A
  • don’t need ni or hormones to transmit contraction n
52
Q

cardiac conduction sequence

A

sinoatrial node to atrioventricular node to atrioventricular bundle aka bundle of his to right and left bundle branches to purkinje fibers

53
Q

what tissue is found in the endocardium of the heart?

A

epithelial

120: (15 decks)

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