Multiple Choice
What is the last step that produces an inspiration
A) The atmospheric pressure becomes lower than the intrapleural pressure.
B) The diaphragm contracts.
C) The intercostal muscles contract.
D) The intra-alveolar pressure becomes lower than the atmospheric pressure.
Correct Answer:

Verified
Correct Answer:
Verified
Q61: The alveolar wall is _ (how many?)
Q66: Patients suffering from chronic obstructive pulmonary disease
Q78: The quantity of O₂ that will diffuse
Q79: Match the types of hypoxia, labelled a.
Q81: Match the effects on the rate of
Q82: Pulmonary surfactant contributes to lung stability by
Q84: The most important factor controlling respiration is
Q85: If the tidal volume is 500 mL
Q86: Increased acidity at the tissue cells stimulates
Q87: Alveolar collapse may occur when pulmonary surfactant