quiz respiratory

 ESC

F2

Practice Problems

1. Which of the following structures changes the volume of the lungs?

A. Alveoli

B.Heart 

C Trachea 

D. Diaphragm

3. Which of the following statements best describes the 

primary function of the respiratory system?

A. It transports oxygen and carbon dioxide to cells all over the body.

B. It involves the inhalation and exhalation of gases into the environment.

D. Diaphragm

C. It exchanges gases between the blood and the air in an environment.

D. It maintains proper blood level pH.

2. Which of the following statements best explains how the structure of alveoli relates to its function?

1. Alveoli are large to maximize gas exchange.
2. The walls the alveoli are thin to increase the rate of diffusion.
3. The walls of the alveoli are thick to prevent pressure buildup.
4. Alveoli are small to increase the transportation of cells.

4. Which of the following correctly describes the makeup of the lungs?

1. Right lung, three lobes; left lung, two lobes
2. Right lung, two lobes; left lung, two lobes
3. Right lung, two lobes; left lung, three lobes
4. Right lung, three lobes, left lung three lobes

5. In two to three sentences, describe what will occur in the blood if the tidal volume in the lungs increases.