A patient is given furosemide 40 mg orally at 0900 . The duration of action for this drug is approximately 6 hours after oral administration. At which time in military hours should the nurse no longer expect to see the effects of this drug?
a. 0930
b. 1000
c. 1100
d. 1500
D
The nurse should no longer see the effects of furosemide at around 1500 hours (3:00 p.m.). The effects of oral furosemide should be seen 30 to 60 minutes after administration, which is 0900 (9:30 a.m. in this case). Peak effect (diuresis) should occur in 1 to 2 hours, which is 1000 hours (10:00 a.m.) to 1100 (11:00 a.m.) in the scenario.
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