Which of the following is the consequence of decreased resistance or compliance?
a. It takes more time to fill the alveoli.
b. It takes more time to empty the alveoli.
c. It takes less time to fill and more time to empty the alveoli.
d. It takes less time to fill and empty the al-veoli.
ANS: D
If compliance or resistance decreases, the time constant for a given lung unit decreases, and the lung fills and empties faster.
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