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Question:

A PRN order is an order for a medication that is used on a(n) ________ basis in a hospital.

A as-needed
Explaination

PRN is a medical term that means “as needed.” PRN orders are requests for mediation that is not used on a routine basis. Instead PRN medications are used only when the patient needs it, such when Phenergan is used for nausea and vomiting.