Frequency and timing

BID

bis in die — twice a day

Two doses in a 24-hour period, at times the facility schedules.

How it gets tested

The BID/TID/QID family is a standard matching set. Reading them as the Latin numbers — bis, ter, quater — makes them stick better than memorizing four pairs.

Related terms

Sitting the TEAS or the HESI A2? Find out what you actually know.

Free practice questions for every section of both exams, with an explanation after each answer. No account, no paywall.

Back to the full abbreviation list

Not affiliated with, endorsed by, or authorized by ATI (Assessment Technologies Institute), Elsevier, or any nursing program. TEAS® and HESI® are trademarks of their respective owners. Practice questions here are original study material, not the official exams.