The Nurse Is Looking for the Best Interventions for Postoperative

The nurse is looking for the best interventions for postoperative pain control.When are the facility's policies and procedures an appropriate source of evidence?

A) When policies are based on high-quality clinical practice guidelines
B) When evidence is derived from a valid and reliable quantitative research study
C) When procedures originated from opinions of the facility's chief surgeon
D) When evidence is founded on recommendations from experienced nurses