Dr. Dominic Estores has written a prescription for a patient to take a preoperative medication at 2200 on the evening before his scheduled surgery. Using the standard time system, what time should you tell the patient to take his medication?

Answer

10:00 pm

Convert 2200 to standard time system. A:2200 is already in the standard time system.
Tell the patient when to take the medication. A:The patient should take the medication at 10:00 pm.