Which of the following events occurs during expiration?
A) diaphragm moves upward
B) thoracic volume increases
C) external intercostal muscles contract
D) ribs are elevated
E) phrenic nerve is inactive
Correct Answer:
Verified
Q26: Which skeletal muscle serves as an accessory
Q27: Normal expirations are brought on by
A) contraction
Q27: Pulmonary surfactant
A) is secreted by Type II
Q29: The work of breathing normally requires about
Q30: Which of the following statements concerning pulmonary
Q32: The minimum volume of air that remains
Q33: COPD:
A) affects inspiration to a greater degree
Q34: Bronchodilation of the air passages involves the
Q35: During forceful expirations
A) the accessory expiratory muscles
Q36: Which of the following promotes elastic recoil
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