Question

what does the abbreviation ‘bid’ mean in the context of pharmacy? once a day every hour twice a day every two hours

Explanation:

In pharmacy, common abbreviations for dosing frequencies are used. "BID" is a standard abbreviation that stands for "bis in die" in Latin, which translates to "twice a day". "Once a day" is usually "QD", "every hour" is "QH", and "every two hours" is "Q2H".

Answer:

C. Twice a day