Which Information Obtained by the Nurse During the Preoperative Assessment

Which information obtained by the nurse during the preoperative assessment of a patient is most important to assess further?

A) The patient uses several herbal remedies routinely.
B) The patient has used acupressure to relieve postoperative nausea in the past.
C) The patient expresses a wish to use acupuncture for postoperative pain control.
D) The patient recently visited a chiropractor for back pain.