The Cardiovascular System Flashcards

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0
Q

What are the three layers of the heart?

A

Epicardium (outer layer)
Myocardium (middle, muscle layer)
Endocardium (inner layer, lines chambers of the heart)

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1
Q

The SVC and IVC are the ______ veins in the body?

A

Largest

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2
Q

What are the three blood elements?

A

Erythrocytes (RBC)
Leukocytes (WBC)
Thrombocytes (Platelets)

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3
Q

What do platelets do?

A

Initiate the clotting mechanism

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4
Q

What is plasma?

A

Liquid part of the blood

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5
Q

What are the three types of blood vessels?

A

Arteries
Veins
Capillaries

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6
Q

What are arteries?

A

Carry oxygenated blood from the heart

Have muscle tissue to expand and contract.

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7
Q

What are veins?

A

Return blood to the heart.

Muscle contractions help move blue blood back to the heart.

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8
Q

What are capillaries?

A

Blood vessels that connect the arterial and venous systems.

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9
Q

How is blood pressure recorded?

A

As a fractional number with a sphygmomanometer.
Systolic on top, contraction
Diastolic on bottom, when it relaxes.

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10
Q

How many blood types are there?

A

4

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11
Q

What are the 4 blood types?

A

A
B
AB (universal recipient)
O (universal donor)

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12
Q

What is a hematologist?

A

Blood specialist

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13
Q

What is thrombosis?

A

A clot

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14
Q

What is myocardial infraction?

A

Heart attack

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15
Q

What is an irregular heart beat?

A

Arrhythmia

16
Q

What is a heart attack called?

A

Myocardial infraction

17
Q

What is a blood clot called?

A

Thrombosis

18
Q

What is high blood pressure called?

A

Hypertension

19
Q

What are two types of arrhythmias?

A

Tachycardia

Bradycardia

20
Q

What is tachycardia?

A

Heart rate of 100+

21
Q

Wha is bradycardia?

A

Heartbeat less than 60

22
Q

The _____ arteries are the hearts own blood supply?

A

Coronary

23
Q

What is fibrillation?

A

Fluttering heart rate.

24
Q

What is congestive heart failure?

A

When the heart cannot pump enough.

25
Q

What is BP?

A

Blood pressure

26
Q

What is HDL?

A

High density lipoprotein (good cholesterol)

27
Q

What is LDL?

A

Low density lipoprotein

Bad cholesterol

28
Q

What is RBC?

A

Red blood cell

29
Q

What is WBC?

A

White blood cell

30
Q

what does the pulmonary artery do?

A

Only artery in the body that carries deoxygenated blood.

31
Q

The pulmonary veins do what?

A

They’re the only veins that carry oxygenated blood

32
Q

What do capillaries do?

A

Surround the cells, this is where the exchange takes place

33
Q

What is the order of circulation of blood through the heart?

A
R atrium
Tricuspid valve (r a-v valve)
R ventricle 
Pulmonary valve 
Pulmonary artery
Lungs
Pulmonary veins 
L atrium 
Bicuspid or mitral valve (left a-v valve)
L ventricle 
Aortic valve
Aorta
34
Q

What is the largest and strongest chamber of the heart?

A

Left ventricle