To Which Guideline Should the Nurse Refer When a Client

To which guideline should the nurse refer when a client asks for a PRN pain medication?

A) First consult the medication administration record (MAR) to determine when the client received the last dose.
B) Administer the PRN medication as soon as the client asks for it.
C) Make sure the client is experiencing severe pain before administering the dose.
D) If the pain is extreme and the prescribed time has not elapsed, notify the physician.