Exam 15: The Respiratory System

Inhaled air is first warmed and moistened by the:

The CNS centers that promote exhalation are the:

Nerve impulses that stimulate contraction of the respiratory muscles come from the:

The right primary bronchus branches into ____________________ secondary bronchi, and the left primary bronchus branches into ____________________.

The general cause of respiratory acidosis is a(n) ____________________ in breathing rate or efficiency that results in ____________________ CO₂ in the body.

The parts of the pharynx that are passageways for both air and food are the ____________________ and the ____________________.

Which statement is NOT true of the pleural membranes?

Exercising muscle will receive more oxygen from hemoglobin than will relaxed muscle, because:

In internal respiration, carbon dioxide diffuses from the:

Which of the following statements are true of the alveoli and pulmonary capillaries? (Read carefully and select all of the correct statements.)

The muscles that bring about inhalation are the ____________________ and the ____________________.

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

Which statement is NOT true of swallowing?

The CNS respiratory centers are located in the:

The CNS centers that promote inhalation are the:

The nasal mucosa is ____________________ epithelial tissue with goblet cells that secrete ____________________.

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

The strongest stimulus to increase the breathing rate is a ____________________ level of ____________________ in the blood.

Which minute respiratory volume is consistent with the potential for respiratory acidosis?

During inhalation, intrapulmonic pressure ____________________, and air moves ____________________ the lungs.