Exam 15: The Respiratory System

During exhalation,the diaphragm:

Someone who is hyperventilating in a state of anxiety may also have:

In external respiration,oxygen diffuses from the:

The phrenic nerves carry motor impulses to the ____________________.

Any pathogens or air pollution that reach the alveoli are usually destroyed by:

To compensate for metabolic acidosis,the respiratory rate will:

Which statement is NOT true of the air pressures involved in breathing?

The function of serous fluid is to:

Exchange of gases is possible in the lungs because the alveoli are lined with ____________________ in which gases can dissolve.

During swallowing,the larynx is covered by the ____________________.

Which statement is NOT true of swallowing?

A blood pH of 7.32 indicates:

Normal exhalation is a passive process and depends on the ____________________ tissue of the lungs.

The nasal mucosa is made of ____________________ epithelial tissue.

Which statement is NOT true of respiratory volumes?

The term ventilation means:

The bronchioles can constrict or dilate because of the ____________________ tissue in their walls.

During breathing,friction between the pleural membranes is reduced by ____________________.

If carbon dioxide accumulates in body fluids,the pH of the fluid will:

In respiratory alkalosis,the pH of the blood might be: