Which of the following is the correct abbreviation for "before meals"?

The abbreviation for "before meals" is correctly represented by "a.c." which stands for the Latin term "ante cibum." This term is commonly used in medical contexts to instruct that medication or treatment should be administered prior to eating. Understanding these abbreviations is crucial for effective communication among healthcare professionals and ensuring patient safety during medication administration.

The other options serve different meanings; for instance, "p.c." stands for "post cibum," which means after meals. Similarly, "b.i.d" denotes that something should be taken twice a day, and "t.i.d." refers to three times a day. Knowing the exact meanings and proper usage of these abbreviations helps healthcare workers provide accurate patient care and follow prescribed treatment regimens correctly.