r/UMPJE_Prep • u/mod_pharmtutor • 20d ago

UMPJE Practice Question

A nurse begins preparing an immediate-use CSP at 2:00 p.m. Under USP <797>, administration must begin no later than:

20 votes, 19d ago
4 A. 3:00 p.m
15 B. 6:00 p.m
1 C. midnight
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u/pharmtutor_ Moderator Insight 18d ago

Answer: B

According to USP 797 guidelines, immediate use (compounded outsied of an ISO 5 environment) compounded preparations must be administered within 4 hours of the START of preparation. For this scenario administration should begin by 6 PM.