Pharmacology Hospital Unit Clerk Practice Test

What is the abbreviation for after meals?

c. ad lib p.o p.c.

Correct Answer:

p.c.

Explanation:

Understanding prescription timing hinges on Latin meal-related abbreviations. After meals is described as post cibum, abbreviated pc (often written as p.c.). That is why the correct instruction for taking a dose after meals uses pc. In contrast, ante cibum (a.c.) means before meals; per os (p.o.) means by mouth regardless of meal timing; ad libitum means as desired, not tied to meals. So pc accurately communicates “after meals.”

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