respiration Test pt 2

Question 1

Pleural membranes

Answer 1

surround the lungs

Question 2

Alveoli are well-suited to their function because they

Answer 2

are richly supplied with capillaries.

Question 3

The extensive capillary network which surrounds each alveolus increases what?

Answer 3

increases surface area for the exchange of gases

Question 4

Oxygen-poor blood becomes oxygen-rich blood at the

Answer 4

alveoli

Question 5

A puncture of the pleural membranes could lead to

Answer 5

increased thoracic cavity pressure

Question 6

Hemoglobin releases oxygen at the tissues if

Answer 6

temperature increases and the blood is more acidic.

Question 6

Which of the following is not carried by hemoglobin?

Answer 6

Sodium ions

Question 7

which of the following is a controlling factor in increasing breathing rate?

Answer 7

Low levels of glucose in the coronary vein

Question 8

The function of the cilia lining the trachea is to

Answer 8

move mucus away from the lungs

Question 9

Where does oxygen diffuse into the blood?

Answer 9

alveoli