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Bio 202 > Cardiovascular > Flashcards

Cardiovascular Flashcards

(54 cards)

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1
Q

Left Atrium

A

Receives oxygenated blood from lungs thru pulmonary vein

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2
Q

Left Ventricle

A

Pumps oxygenated blood to body via aorta

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3
Q

Right Atrium

A

Receives deoxygenated blood from body thru vena cava

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4
Q

Right Ventricle

A

Sends blood to lungs thru pulmonary trunk

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5
Q

Aorta

A

Sends blood to the body

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6
Q

Pulmonary Trunk

A

Sends blood to the lungs

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7
Q

Left Pulmonary Artery

A

Branch of pulmonary trunk to left lung

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8
Q

Right Pulmonary Artery

A

Branch of pulmonary trunk to right lung

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9
Q

Left Pulmonary Vein

A

Comes from left lung

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10
Q

Right Pulmonary Vein

A

Comes from right lung

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11
Q

Inferior Vena Cava

A

Brings blood from lower body

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12
Q

Superior Vena Cava

A

Brings blood from upper body

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13
Q

Mitral/Bicuspid Valve

A

Valve between left atrium and ventricle

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14
Q

Tricuspid Valve

A

Valve between right atrium and ventricle

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15
Q

Aortic Semilunar Valve

A

Valve between left ventricle and aorta

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16
Q

Pulmonary Semilunar Valve

A

Valve between right venticle and pulmonary artery

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17
Q

Ischemia

A

low blood (oxygen) supply to the heart

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18
Q

Angina Pectoris

A

chest pain caused by ischemia

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19
Q

Myocardio Infarction

A

Complete obstruction of coronary artery

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20
Q

Myocardio Infarction symptoms

A
  • Pain or pressure in chest that can radiate down left arm
  • Shortness of breath
  • irregular heart rhythms
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21
Q

Pulmonary Circuit

A

Pumps deoxygenated blood to the lungs to get oxygen into red blood cells

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22
Q

Systemic Circuit

Study These Flashcards
A

Delivers oxygenated blood to the body’s cells and returns deoxygenated blood to the heart

23
Q

Cardiac Output

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A

Amount of blood pumped out from ventricle in one minute

24
Q

Average adult resting heart rate

25
Average adult resting stroke volume
70 ml/beat
26
Stroke Volume
volume of blood ejected by the ventricle in a single beat or stroke
27
Factors that cause cardiac output to increase
Increased exercise, increased stress, increased hyperthyroidism, medications
28
Factors that cause cardiac output to decrease
Sleeping, Hypothyroidism, medications, diseases of the heart
29
Pulse
Surge in pressure of the arteries
30
Female average pulse
72-80 bpm
31
Male average pulse
64-72 bpm
32
Tachycardia
Resting adult HR above 100
33
Bradycardia
Resting adult HR below 60
34
If CO is low, How does the heart compensate to bring CO to normal?
It increases the heart rate
35
Ventricles contract and blood is pushed up against semilunar valves forcing them to _____.
Open
36
Ventricles relax and blood flows back from arteries, filling the cusps of semilunar valves and forcing them to __________.
Close
37
Valvular Prolapse
Regurgitation from left ventricle to left atrium and lungs
38
Valvular Stenosis
Valve doesn't close properly. Back flow from blood vessel to ventricle. The narrow valve and back flow can cause the heart to overwork causing ventricular hypertrophy
39
Valvular prolapse symptoms
Difficulty breathing. Fluid is going to lungs. Ischemia--Decreased CO Causes: Myocardial infarction, congenital
40
Valvular stenosis symptoms
Decreased CO. Ischemia | Causes: Congenital, infection, age
41
Atrial Septal Defect
Incomplete looping of the heart tube during embryonic development. Blood. typically flows from LA to RA due to higher pressure in the LA
42
Ventricular Septal Defect
Blood typically flows from LV to RV due to higher pressure in LV.
43
S1
First sound- Lub- Occurs with closure of AV valves Bicuspid/tricuspid
44
S2
Second sound- Dub- Occurs with closure of semilunar valves.
45
Heart murmur
An extra or unusual sound heard during a heartbeat.
46
LUB-LUB-DUB
Atrial asynchrony
47
LUB-DUB-DUB
Ventricular asynchrony
48
LUB-DUB with a SHSHSH
Valvular or septal heart defect
49
Pacemaker resting potential
Na+ goes in and it become less negative
50
Depolarization
Ca+ goes in
51
Repolarization
K+ goes out
52
Electrical Pacemaker area
controls the sequence of electrical excitation of heart tissue.
53
SA node
initiates heartbeat and sets rate
54
AV node
delays to allow ventricles to fill

Bio 202 (2 decks)

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