The ophthalmologist instructs that a patient is to receive the drops bid; the assistant should instruct the patient to take the drops:

Prepare for the JCAT Independent Practice Exam! Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

When an ophthalmologist prescribes medication to be administered "bid," this is an abbreviation for "bis in die," which is Latin for "twice a day." The instruction indicates that the patient should take the drops two times within a 24-hour period. This dosage schedule is commonly used for medications that need to maintain a certain level in the system throughout the day, and it helps enhance the medication's effectiveness.

The other choices reflect different dosing schedules that do not align with the prescribed 'bid' instruction. Once a day is insufficient for this type of regimen, while three and four times a day would exceed the recommended frequency and could lead to potential overmedication. Therefore, the proper understanding of 'bid' directly leads to the conclusion that the patient should take the drops twice a day.

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