NCLEX RN Practice Exam Related

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Which of the following are controlled substances (Schedules I through V) regulated by the Drug Enforcement Agency (DEA)? Select all that apply.

  • A. Codeine
  • B. Ibuprofen
  • C. Diphenhydramine (Benadryl®)
  • D. Hydrocodone
Correct Answer: A,D

Rationale: Codeine (A) and hydrocodone (D) are DEA-controlled substances (Schedules II-V). Ibuprofen (B) and diphenhydramine (C) are not controlled.