Butorphanolis aSchedule IV controlled substanceunder theControlled Substances Act (CSA). It is anopioid analgesicused formoderate-to-severe painandmigraine relief. Due to itsabuse potential, it is classified as acontrolled substanceand requires special handling in pharmacies.
A. Metoprolol→ Incorrect; metoprolol is abeta-blockerforhypertension and heart diseaseand isnot a controlled substance.
C. Carvedilol→ Incorrect; carvedilol is also abeta-blockerforheart failure and hypertension, not a controlled drug.
D. Propranolol→ Incorrect; propranolol is abeta-blockerused forhypertension, migraines, and anxiety, but it isnot a controlled substance.
Other Answer Choices Explained:References:
DEA Controlled Substances List (Schedule IV – Butorphanol)
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