Which of the following is the first important step in helping the patient to relax for the complete abdominal examination?

A. Warming the stethoscope: Improves comfort but is not the first step. B. Bending the knees: Helps relax abdominal muscles but is done after bladder emptying. C. Exposing only the abdomen: Ensures privacy but does not affect comfort as much as an empty bladder. D. Emptying the bladder relieves pressure and discomfort, allowing for a thorough and accurate examination.