Medical Expense✓ Verified · outline & fact-checked · Sep 2026Difficulty 1/5
To enroll in a stand-alone Medicare Part D prescription drug plan, a beneficiary must have:
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Answer & full 3-part explanation (select an option above, or peek)
Why A is correct
Part D prescription drug coverage is available to anyone who is entitled to Medicare Part A and/or enrolled in Part B. The entitlement requirement ties drug coverage to the Medicare beneficiary population, so a person with no Medicare entitlement cannot enroll in a stand-alone prescription drug plan. Beneficiaries may hold just Part A, for example someone entitled to hospital coverage, or just Part B, and either satisfies the prerequisite for Part D enrollment. This linkage is a basic eligibility fact in the Part D rules and a frequently tested point.
Why the other options are wrong
- B) Part A alone is sufficient, but so is Part B alone. The requirement is Part A and/or Part B, not Part A exclusively, so a Part B-only beneficiary may also enroll.
- C) Part B alone also satisfies the requirement. The rule does not demand that a beneficiary hold Part A; entitlement to either part is enough.
- D) Part D is a Medicare program. Entitlement to Part A or enrollment in Part B is required, and a person with no Medicare coverage cannot enroll in a stand-alone PDP.
Memory hook
Part D is a Medicare guest list: A and/or B gets you in, no ticket means no drugs.