Final answer:
The correct abbreviation for "twice a night" in medical terms is typically 'bin' or 'b.i.n.', standing for the Latin 'bis in nocte'. None of the provided options (t.i.d., qh, q.i.d.) match this abbreviation.
Step-by-step explanation:
The abbreviation for "twice a night" is not commonly used in medical notation. However, when discussing medication dosing frequencies, common abbreviations include 't.i.d.' for three times a day, 'q.h.' for every hour, and 'q.i.d.' for four times a day. None of the options provided, namely (a) t.i.d., (b) qh, (c) bin, or (d) q.i.d., correctly represents "twice a night". Instead, 'b.i.n.' stands for 'bis in nocte' which is the Latin term for 'twice a night' and could be the appropriate abbreviation, although it is more commonly written as 'bin'. It's important to note that medical abbreviations can vary between different healthcare facilities, so always ensure clarity when communicating medical orders.