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Academic flashcards (CNA nursing) > Unit 3,cardiovascular system > Flashcards

Unit 3,cardiovascular system Flashcards

the heart (69 cards)

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1
Q

The hearts natural pacemaker is located in the

A

right atrium

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2
Q

Ischemia

A

Heart muscle loses blood supply

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3
Q

Infarction

A

Death of heart muscle cells

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4
Q

oxygenated blood is on the

A

left side

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5
Q

deoxygenated blood is on the

A

right side

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6
Q

The circulatory system is also known as the

A

Transportation system

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7
Q

What is this system made up of

A

-the heart
-blood vessels
-lymphatic vessels
-lymph nodes
-spleen
-blood

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8
Q

What is the muscular pump of the body

A

the heart

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9
Q

Where is the heart located

A

the mediastinal cavity

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10
Q

Endocardium

A

lines the inside of the heart

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11
Q

Myocardium

A

the thickest layer (muscular middle layer)

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12
Q

Pericardium

A

covers the outside of the heart, separated by pericardial fluid

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13
Q

The septum

A

muscular wall that separates the heart into right and left side

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14
Q

Why is the septum separated

A

prevents blood from flowing between the right & left side of the heart

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15
Q

What does the septum do

A

lines the inside of the heart

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16
Q

Cardio refers to

A

The heart

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17
Q

Arteries

A

Blood vessels that carry blood away from the heart

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18
Q

Veins

A

Blood vessels that bring blood back to the heart

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19
Q

Capillaries are

A

vessels that bring oxygen and carbon dioxide between the body and blood cells

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20
Q

Right atrium

A

Deoxygenated blood

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21
Q

Right ventricle

A

Pump’s deoxygenated blood from the lungs

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22
Q

Pulmonary artery

A

Carries deoxygenated blood from the heart to the lungs

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23
Q

Pulmonary veins

A

Bring oxygenated blood back from the lungs to the heart

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24
Q

Left atrium

A

Receives oxygenated blood from the lungs

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25
Left ventricle
Pumps oxygenated blood to the body
26
Signs & symptoms of CHF include
Edema
27
The purpose of a stent is to
Keep an artery open
28
The purpose of a TED hose is
Prevent blood clots
29
The ____ carries fresh oxygenated blood to nourish the body
Artery
30
The top chamber of the heart is the
Atria
31
The bottom chamber of the heart is the
Ventricles
32
One way valves in the chamber keep the blood flowing in the right direction is the
Mitral valve
33
Mitral valve
Between left atrium & the left ventricle
34
Purpose of the valves
To keep the blood flowing in correct direction
35
Where is the tricuspid valve located
Between right atrium & right ventricle
36
Pulmonary valve
Located between right ventricle & pulmonary artery
37
Pulmonary artery
Carries blood to the lungs
38
How many chambers are in the heart?
4
39
How many valves are in the heart?
4
40
The left atrium is the largest chamber of the heart.
No, the left ventricle
41
Is the tricuspid valve is located on the left side of the heart.
Yes
42
Do arteries carry deoxygenated blood.
Yes
43
The Atria ____ pushing blood into the ventricles
Contracts
44
When referring to the heart what does contracting mean
The muscle is tightening & squeezing to pump blood out of the heart
45
Then atria relaxes & blood returning from the rest of the body enters the
right atria
46
Blood returning from the lungs enters the
left atria
47
Deoxygenated blood enters the
Right side of the heart
48
Then that oxygen-rich blood re-enters the heart on the
Left side of the heart
49
Aortic valve
Between the left ventricle
50
Aorta
The largest artery in the body
51
Systolic pressure
Pressure placed on the vessel makes it increase
52
Diastolic pressure
When the heart relaxes between beats and refills with blood
53
3 types of blood vessels
Arteries Capillaries Veins
54
The only artery in the body that carries deoxygenated blood
Pulmonary artery
55
The aorta branches into
the arteries of the body
56
What carries the blood to the heart
The veins
57
2 largest veins
Superior & inferior vena cava
58
Superior & inferior vena cava bring
Blood from the body to the right atrium
59
Capillaries are the smallest ___ & venules are the smallest ___
Arteries, veins
60
Capillaries
thin walls that allow O2 & nutrients pass
61
Components made up of blood are
Plasma & Blood cells
62
The average adult has
4-6 quarts of blood
63
Plasma is
90% water
64
3 types of blood cells
RBC, WBC, & thrombocytes
65
Thrombocyte is aka
Platelets
66
Embolus
moving blood clot
67
Thrombus
stationary blood clot
68
hypertrophy
increase in size
69
angina
chest pain

Academic flashcards (CNA nursing) (5 decks)

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