What Is the Primary Reason the Nurse Incorporates Pain Assessment

What is the primary reason the nurse incorporates pain assessment as a part of routine care?

A) Asking about pain may prompt patients to report pain more readily.
B) Frequent pain assessment is required by the state's nurse practice act.
C) Pain is a vital sign much like blood pressure and heart rate.
D) Performing a pain assessment indicates the nurse cares about the patient.