Which abbreviation refers to the administration of two doses?

The abbreviation that refers to the administration of two doses is "bid," which stands for "bis in die" in Latin, translating to "twice a day." This is a common term used in medical prescriptions to indicate that a medication should be taken two times within a 24-hour period.

The option "tid," which means "ter in die," translates to "three times a day," thus indicating a higher frequency of dosing than bid. "q2h" stands for "every 2 hours," denoting an even more frequent administration schedule. Lastly, "q8h" means "every 8 hours," indicating a specific interval for medication administration that is also greater than two doses daily.

By understanding these abbreviations, a pharmacy technician can accurately interpret dosing instructions and ensure patients receive their medications as prescribed.