NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the BUD for a low risk CSP in a clean room?

  1. 48 hours, 14 days, 45 days

  2. 30 hours, 9 days, 45 days

  3. 24 hours, 3 days, 45 days

  4. 12 hours only

The correct answer is: 48 hours, 14 days, 45 days

The BUD (Beyond-use date) is the date or time after which a compounded sterile preparation (CSP) should not be used. In a clean room, where the risk of contamination is low, the BUD for a CSP is usually longer compared to settings with higher contamination risks. Therefore, options B and C, with shorter BUDs, are incorrect in this scenario. Option D is also incorrect as 12 hours is not a sufficient BUD for a CSP in any setting. Thus, the correct answer is option A which provides a BUD of 48 hours, 14 days, and 45 days.