Arizona MPJE (Pharmacy Jurisprudence) Practice Exam

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Difenoxin without any combination is classified under which schedule?

  1. CI

  2. CII

  3. CV

  4. CIV

The correct answer is: CI

Difenoxin, when considered without any combination, is classified as a Schedule IV controlled substance. The reasoning behind this classification stems from its potential for abuse and the accepted medical use in lower doses. Specifically, according to federal regulations, a substance is placed in Schedule IV if it has a legitimate medical purpose and a lower potential for abuse relative to those in the higher schedules. While some drugs may be considered in other schedules depending on their formulation or combinations, in isolation, difenoxin does not meet the stringent criteria for higher schedules such as I or II, which are typically reserved for substances with a higher potential for abuse or addiction. Thus, recognizing difenoxin as a Schedule IV substance is crucial for adherence to the regulatory framework governing prescription medications and controlled substances.