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Cardiovascular Physiology and Blood Flow Quiz

#1

Which of the following is NOT a component of the cardiovascular system?

Liver
Explanation

Liver is not a part of the cardiovascular system.

#2

What is the average resting heart rate for adults?

70-80 beats per minute
Explanation

The average resting heart rate for adults is 70-80 beats per minute.

#3

Which blood vessel carries oxygenated blood away from the heart?

Artery
Explanation

Arteries carry oxygenated blood away from the heart.

#4

What is the primary function of red blood cells (erythrocytes)?

To transport oxygen
Explanation

Red blood cells primarily transport oxygen.

#5

What is the term for the volume of blood pumped by each ventricle per minute?

Cardiac output
Explanation

The volume of blood pumped by each ventricle per minute is called cardiac output.

#6

Which of the following is NOT a risk factor for developing cardiovascular disease?

Regular exercise
Explanation

Regular exercise is not a risk factor for cardiovascular disease.

#7

What type of blood vessel has valves to prevent the backflow of blood?

Vein
Explanation

Veins have valves to prevent the backflow of blood.

#8

Which of the following factors does NOT affect blood pressure?

Bone density
Explanation

Bone density does not affect blood pressure.

#9

What is the main function of the endothelium in blood vessels?

To form a smooth surface for blood flow
Explanation

The endothelium in blood vessels forms a smooth surface for blood flow.

#10

Which of the following substances is NOT transported by blood?

Nitrogen
Explanation

Nitrogen is not transported by blood.

#11

What is the name of the condition characterized by a narrowing of the blood vessels?

Atherosclerosis
Explanation

The condition characterized by a narrowing of the blood vessels is called atherosclerosis.

#12

Which of the following hormones is primarily responsible for regulating blood pressure?

Aldosterone
Explanation

Aldosterone is primarily responsible for regulating blood pressure.

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