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120: > chpt 13: cardiovascular system > Flashcards

chpt 13: cardiovascular system Flashcards

(53 cards)

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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

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A

pumps blood/ causes contractions

23
Q

endocardium/ mesothelium location

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A

inside heart, heart walls and bv

24
Q

heart markings name

25
sulci Is made of
-coronary bv and fat
26
sulci function
-boundary between two chambers
27
coronal sulus function
-marks the superior atria and inferior ventricles
28
anterior interventricle sulus location / function
r and L ventricles
29
posterior interventricle sulus location / function
b/w ventricles on posterior side
30
right atrium structures
- smooth muscles pectinate muscles line atria wall - fossa ovalis - interatrial septum - tricuspid av valve
31
which veins does the right atrium receive deoxy blood from?
- inferior and superior vena cava | - coronary sinus
32
fossa ovalis used to be
forvavem ovale
33
forvavem ovale function
transport blood from r atria to L ventricle
34
ventricle structures
- trabeculae carnea - chordae tendinea - papillary muscles
35
trabeculae carnea structures
-rasises bundles of cardiac muscles fibers
36
chordae tendinea structures
-attached to papillary muscles
37
papillary muscles function
-secures trabeulare carnea to wall
38
-trabeculae carnea -chordae tendinea -papillary muscles overall function
regulate opening and closing of AV valves
39
which ventricle is the thickest and why
Left ventricle, pumps blood to body
40
Biscuspid/ Mitral valve
lets blood through from L.atria to L.ventricle
41
left ventricle forms the
apex
42
av valves function
prevent back flow of blood
43
semilunar valves function
- allow ejection of blood from the ventricles | - prevent backflow
44
av valves examples
-mitral/ biscuspid valve and tricuspid valve
45
semilunar valves examples
-pulmonary valve and aortic valve
46
3 blood circulation systems
- systemic circulation - coronary circulation - pulmonary circulation
47
left coronary artery's arteries
- anterior inter ventricular artery | - circumflex artery
48
anterior inter ventricular artery location
walls of both ventricles and interventricular septum
49
circumflex artery location
-wall of left atrium and ventricle
50
right coronary artery's arteries
marginal artery and post inter ventricular artery
51
autorythmic cells meaning
- don't need ni or hormones to transmit contraction n
52
cardiac conduction sequence
sinoatrial node to atrioventricular node to atrioventricular bundle aka bundle of his to right and left bundle branches to purkinje fibers
53
what tissue is found in the endocardium of the heart?
epithelial

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