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Circulatory System Quiz

Total questions: 1

Worksheet time: 10mins

Name
Class
Date
1-15.
1.

What is the function of human blood?

a)

Maintains pH and temperature

b)

Transports nutrients and gases

c)

None of the above

d)

All of the above

2.

What is the liquid portion of blood known as?

a)

Platelets

b)

Hemoglobin

c)

Plasma

d)

White blood cells

3.

Which component of blood is involved in transporting gases?

a)

Plasma

b)

Platelets

c)

White blood cells

d)

Red blood cells

4.

What is the iron-containing protein in red blood cells called?

a)

Salts

b)

Lipids

c)

Plasma

d)

Hemoglobin

5.

Which blood vessels generally carry blood away from the heart?

a)

Capillaries

b)

Arteries

c)

Coronary arteries

d)

Veins

6.

What is the function of valves in the heart?

a)

Both A and B

b)

Separate the chambers

c)

None of the above

d)

Prevent backflow of blood

7.

Where does the deoxygenated blood enter the heart from the body?

a)

Left ventricle

b)

Right ventricle

c)

Right atrium

d)

Left atrium

8.

Which artery carries oxygenated blood throughout the body?

a)

Inferior vena cava

b)

Aorta

c)

Coronary artery

d)

Pulmonary artery

9.

What is the coordinated sequence of the heart's contractions and relaxations called?

a)

Coronary cycle

b)

Cardiac cycle

c)

Aortic cycle

d)

Pulmonary cycle

10.

What is the potential consequence of an atrial septal defect?

a)

Heart failure

b)

Stroke

c)

All of the above

d)

Abnormal heartbeat

11.

What is the purpose of coronary arteries?

a)

Deliver oxygen and glucose to the heart

b)

Transport nutrients to the lungs

c)

Carry deoxygenated blood to the heart

d)

None of the above

12.

What is the main function of the pulmonary artery?

a)

Carry oxygenated blood to the body

b)

Carry deoxygenated blood to the lungs

c)

Deliver oxygen and glucose to the heart

d)

None of the above

13.

What is the main function of the aorta?

a)

Carry deoxygenated blood to the lungs

b)

None of the above

c)

Carry oxygenated blood to the body

d)

Deliver oxygen and glucose to the heart

14.

What is the significance of the pathways in the circulatory system?

a)

Coordinate contraction of the heart

b)

None of the above

c)

Direct blood where it should go

15.

What is the main function of capillaries?

a)

Carry deoxygenated blood to the lungs

b)

Deliver oxygen to organs and tissues

c)

None of the above

d)

Transport nutrients to the heart