Breathing

Review Questions

How would paralysis of the diaphragm alter inspiration?

  1. It would prevent contraction of the intercostal muscles.
  2. It would prevent inhalation because the intrapleural pressure would not change.
  3. It would decrease the intrapleural pressure and allow more air to enter the lungs.
  4. It would slow expiration because the lung would not relax.

Hint:

B

Restrictive airway diseases ________.

  1. increase the compliance of the lung
  2. decrease the compliance of the lung
  3. increase the lung volume
  4. decrease the work of breathing

Hint:

B

Alveolar ventilation remains constant when ________.

  1. the respiratory rate is increased while the volume of air per breath is decreased
  2. the respiratory rate and the volume of air per breath are increased
  3. the respiratory rate is decreased while increasing the volume per breath
  4. both a and c

Hint:

D