Tablet dose

PTCB PTCE
Order Entry and Processing
Multiple choice
Difficulty 3 of 5

Question

A new adult prescription specifies a daily initial dose of 20 mg of prednisone, to be taken as one dose. The available tablets contain 5 mg each. How many tablets make the prescribed dose?

0.3 tablets✗ Incorrect

Incorrect. This answer inverts the ratio (Have ÷ Desired).
1 tablet✗ Incorrect

Incorrect. This answer gives a single tablet regardless of strength.
4 tablets✓ Correct

Correct. Desired ÷ Have = 20 mg ÷ 5 mg per tablet = 4 tablets.
8 tablets✗ Incorrect

Incorrect. This answer doubles the dose.

Answer

C. 4 tablets

Rationale

Prednisone tablet strength and the prescribed dose determine the number of tablets for each dose. The label describes a range for initial daily dosing.

Worked solution: Desired ÷ Have = 20 mg ÷ 5 mg per tablet = 4 tablets.

RememberMatch the tablet strength to the prescribed dose.

Sources

Prednisone (prednisone) oral prescribing information, Bryant Ranch Prepack U.S. Food and Drug Administration (openFDA) · License: CC0 1.0 · Retrieved November 2, 2026 · Dosage and administration; Description · effective_time 20260908
prednisone (prednisone) oral prescribing information, REMEDYREPACK INC. U.S. Food and Drug Administration (openFDA) · License: CC0 1.0 · Retrieved November 2, 2026 · Dosage and administration · effective_time 20260908

Last verified: November 5, 2026 3 independent automated checks Question ptcb-oep-00115, version 1

Checks are automated. No licensed clinician has reviewed this question. Check the sources and your program’s materials.

Report an error in this question. For education only; not medical advice. See all sources and licenses.