Capillaries Veins And Arteries

Question 1

What are the three main types of blood vessels in the circulatory system?

Answer 1

Arteries, veins, and capillaries.

Question 2

True or False: Arteries carry blood away from the heart.

Answer 2

True.

Question 3

Fill in the blank: The smallest blood vessels are called __________.

Answer 3

capillaries.

Question 4

What type of blood do veins typically carry?

Answer 4

Deoxygenated blood.

Question 5

Which blood vessels have thick muscular walls?

Answer 5

Arteries.

Question 6

True or False: Capillaries have valves to prevent backflow.

Answer 6

False.

Question 7

What is the primary function of capillaries?

Answer 7

To facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Question 8

Which blood vessels are responsible for regulating blood pressure?

Answer 8

Arteries.

Question 9

Fill in the blank: Veins have __________ walls compared to arteries.

Answer 9

thinner.

Question 10

What is the main structural difference between arteries and veins?

Answer 10

Arteries have thicker walls and more muscle than veins.

Question 11

True or False: Blood in the pulmonary veins is oxygenated.

Answer 11

True.

Question 12

Which blood vessels are most numerous in the body?

Answer 12

Capillaries.

Question 13

What is the function of valves in veins?

Answer 13

To prevent the backflow of blood.

Question 14

Multiple Choice: Which type of vessel has the highest blood pressure? A) Capillaries B) Veins C) Arteries

Answer 14

C) Arteries.

Question 15

What is the term for the process of exchange of gases in capillaries?

Answer 15

Diffusion.

Question 16

Fill in the blank: The __________ system returns deoxygenated blood to the heart.

Answer 16

venous.

Question 17

True or False: Capillaries are only one cell thick.

Answer 17

True.

Question 18

What type of blood do most arteries carry?

Answer 18

Oxygenated blood, except for pulmonary arteries.

Question 19

Multiple Choice: Which vessel typically has the lowest pressure? A) Arteries B) Capillaries C) Veins

Answer 19

C) Veins.

Question 20

What is the term for the network of capillaries in a tissue?

Answer 20

Capillary bed.

Question 21

Fill in the blank: The __________ artery carries blood to the lungs.

Answer 21

pulmonary.

Question 22

True or False: Veins generally have a larger lumen than arteries.

Answer 22

True.

Question 23

What is the purpose of the endothelium in blood vessels?

Answer 23

To provide a smooth lining to reduce friction for blood flow.

Question 24

Multiple Choice: Which vessel carries blood away from the heart? A) Veins B) Arteries C) Capillaries

Answer 24

B) Arteries.

Question 25

What process allows nutrients and wastes to pass through capillary walls?

Answer 25

Filtration and diffusion.

Question 26

Fill in the blank: The __________ is a major vein that carries deoxygenated blood from the body to the heart.

Answer 26

superior vena cava.