quiz 22

Question 1

The auditory tubes open into the

Answer 1

nasopharynx.

Question 2

Contraction of the _______ will increase the superior-inferior dimension of the thoracic cavity.

Answer 2

diaphragm

Question 3

Oxygenated blood is carried to the tissues of the lungs via the

Answer 3

bronchial arteries.

Question 4

The respiratory zone of the tracheobronchial tree includes

Answer 4

alveoli

Question 5

Which of the following laryngeal cartilages are paired

1. epiglottis
2. thyroid cartilage
3. corniculate cartilage
4. arytenoid cartilage
5. cuneiform cartilage
6. cricoid cartilage

Answer 5

3, 4, 5

Question 6

During inspiration, contraction of the diaphragm causes the volume of Mr. Jones’ thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (Palv) will

Answer 6

decrease below atmospheric pressure (PB), causing air to move into his lungs.

Question 7

When 2, 3 biphosphoglycerate (BPG) levels increase, hemoglobin

Answer 7

C) releases more oxygen to tissues.

Question 8

Internal respiration refers to

Answer 8

gas exchange between the blood and body tissues.