CARDIOVASCULAR SYSTEM

Question 1

How many chambers are in the human heart?

Answer 1

Four

Question 2

What are the names of the heart valves?

Answer 2

Mitral, tricuspid, aortic, and pulmonary valves.

Question 3

What type of blood vessel carries blood away from the heart?

Answer 3

Arteries

Question 4

What type of blood vessel carries blood back to the heart?

Answer 4

Veins

Question 5

What are the smallest blood vessels called?

Answer 5

Capillaries.

Question 6

What is the outermost layer of the heart called?

Answer 6

The epicardium

Question 7

Which chamber of the heart pumps oxygenated blood to the body?

Answer 7

The left ventricle.

Question 8

Which part of the heart receives deoxygenated blood from the body?

Answer 8

The right atrium.

Question 9

What is the term for the circulation of blood through the lungs?

Answer 9

Pulmonary circulation.

Question 10

What is the term for the circulation of blood to the rest of the body?

Answer 10

Systemic circulation.

Question 11

What is the largest artery in the body?

Answer 11

The aorta.

Question 12

What prevents backflow of blood in veins?

Answer 12

Valves

Question 13

What structure separates the right and left sides of the heart?

Answer 13

The septum.

Question 14

What is the liquid portion of blood called?

Answer 14

Plasma.

Question 15

What protein in red blood cells binds to oxygen?

Answer 15

Hemoglobin.

Question 16

What component of blood helps with clotting?

Answer 16

Platelets.

Question 17

Where are blood cells produced?

Answer 17

In the bone marrow.

Question 18

In the bone marrow.

Answer 18

In the bone marrow.

Question 19

What is the term for the contraction phase of the heartbeat

Answer 19

Systole.

Question 20

What is the term for the relaxation phase of the heartbeat?

Answer 20

Diastole

Question 21

What is the term for an abnormally fast heart rate?

Answer 21

Tachycardia.

Question 22

What is the term for an abnormally slow heart rate?

Answer 22

Bradycardia.

Question 23

What is the term for the narrowing of blood vessels

Answer 23

Vasoconstriction.

Question 24

What is the thickest layer of the heart wall?

Answer 24

Myocardium.

Question 25

What is the smallest chamber of the heart?

Answer 25

The left atrium.

Question 26

What is the thin, smooth lining of the inside of the heart called?

Answer 26

Endocardium.

Question 27

What separates the atria from the ventricles?

Answer 27

The atrioventricular septum.

Question 28

What muscle controls the opening and closing of heart valves?

Answer 28

Papillary muscles.

Question 29

What is the sac that surrounds and protects the heart called?

Answer 29

Pericardium

Question 30

What is the name of the heart valve located between the left atrium and the left ventricle?

Answer 30

Mitral valve (or bicuspid valve).

Question 31

What organ releases renin to help control blood pressure?

Answer 31

The kidneys.

Question 31

What is the term for chronic high blood pressure?

Answer 31

Hypertension.

Question 32

What type of blood do pulmonary arteries carry?

Answer 32

Deoxygenated blood.

Question 33

What is the universal recipient blood type?

Answer 33

Type AB positive

Question 33

What do you call the inner wall of a blood vessel

Answer 33

Tunica intima

Question 34

What is the name of the groove on the surface of the heart that marks the boundary between the atria and ventricles?

Answer 34

The coronary sulcus.

Question 34

What do you call the medial wall of a blood vessel

Answer 34

tunica media

Question 35

What is the term for the widening of blood vessels?

Answer 35

Vasodilation

Question 35

What does the term “stroke volume” refer to?

Answer 35

The amount of blood pumped by the heart in one contraction.

Question 36

What do you call the external wall of a blood vessel

Answer 36

tunica externa.