A patient who has been sedated and paralyzed by medications is being controlled by the ventila-tor. The set rate is 15 breaths/min. How many seconds does it take for inspiration and expiration to occur?
a. 2 seconds
b. 4 seconds
c. 6 seconds
d. 8 seconds
ANS: B
60 sec/min divided by 15 breaths/min = 4 seconds
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