Chapter 15 : The CVS Flashcards

1
Q

Afferent

A

Ascend (reflex)

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2
Q

Efferent

A

Exit (tells brain to do something)

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3
Q

Sympathetic Nervous System

A

Fight or Flight

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4
Q

Parasympathetic Nervous System

A

Rest or Digest

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5
Q

Within our Efferent Division, there are 2 systems

A

Somatic – voluntary & starts with brain (you tell yourself to do it)

Automatic – involuntary (you do not have to tell your digestive system to digest your food, it just does )

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6
Q

R + L side of heart is separated by the ____________

A

inter-ventricular septum

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7
Q

cardiac muscle is also known as

A

myocardium

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8
Q

Atria on Top
Ventricles on Bottom

A
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9
Q

red is

A

oxygenated blood

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10
Q

blue is

A

deoxygenated blood

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11
Q

circulation through the chambers

A

deoxygenated blood enters the right atrium, then leaves into the right ventricle, leading into the lungs, oxygenated blood enters the left atrium which then goes into the left ventricle which distributes to the rest of the body

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12
Q

systole

A

ventricles contract and push blood through

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13
Q

diastole

A

ventricles relax and fill with blood

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14
Q

arterial system involves

A

aorta, arteries and arterioles – all carry oxygenated blood EXCEPT for pulmonary artery

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15
Q

pulmonary artery carries

A

deoxygenated blood

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16
Q

capillaries carry

A

both deoxygenated and oxygenated blood

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17
Q

venous sytem involves

A

venules, veins, sup/inf vena cava – all carry deoxygenated blood EXCEPT for pulmonary vein

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18
Q

the pulmonary vein carries

A

oxygenated blood

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19
Q

the pulmonary artery is located on the

A

right side of the heart

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20
Q

veins _________ blood back to the heart

A

return

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21
Q

arteries carry blood ______ from the heart

A

away

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22
Q

ventricles contracting

A

systoe

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23
Q

ventricles relaxing

24
Q

the valve exiting the right ventricle is the __________________

A

pulmonary semi lunar valve

25
the valve located between the left atrium and left ventricle ?
bicuspid
26
the right AV is known as
tricuspid
27
atrial chambers serve as ?
primer pumps
28
we spend more time in ____________
diastole
29
the _______________ pumps blood via the ________________ into the _______________
1st blank: right ventricle 2nd blank: pulmonary semi lunar valve 3rd blank: pulmonary artery
30
the _____________________ pumps blood via the _______________________ into the ___________
1st blank: left ventricle 2nd blank: aortic semi lunar valve 3rd blank: body
31
Arteries
carry oxygenated blood (minus pulmonary artery) carry blood AWAY from heart
32
Veins
carry deoxygenated blood (minus pulmonary vein) RETURN blood back to the heart
33
systole
phase of ventricular contraction
34
diastole
phase of ventricular relaxation
35
end - systolic volume
blood volume REMAINING in ventricles AFTER contraction
36
end - diastolic volume
blood volume in ventricles just PRIOR to contraction
37
SV
volume of blood ejected from the left ventricle with heart contraction
38
EF
ratio of SV to end-diastolic volume
39
preload
filling and stretching of the heart chambers
40
afterload
ventricular emptying
41
venous return influences
how high our EDV can get
42
hypertensive
too high of blood pressure (>140/90)
43
normotensive
normal blood pressure (100-<130/60-<85)
44
hypotenisve
too low of blood pressure (<90/60)
45
hypertension is known as the
silent killer
46
uncontrollable risk factors include
sex, age, family history
47
controllable risk factors include
poor diet (cholesterol levels) lack of exercise prolonged stress
48
Systolic Blood Pressure
force exerting blood on the arterial walls during ventricle contraction
49
Diastolic Blood Pressure
pressure exceed on the walls of the arteries during ventricular relaxation
50
BP is affected by ?
peripheral resistance blood volume vessel elasticity cardiac output
51
3 sources of peripheral resistance
vessel length blood viscosity vessel diameter
52
atherosclerosis
narrowing of the arteries
53
arteriosclerosis
hardening of the arteries
54
when there is a coronary artery blockage / myocardial infraction a __________________ happens
heart attack
55
a heart attack is caused by ________________
thrombus (blood clot)
56
RPP stands for
rate pressure product