How Should the Nurse Perform a Triceps Skinfold Assessment

How should the nurse perform a triceps skinfold assessment?

A) After pinching the skin and fat, the calipers are vertically applied to the fat fold.
B) The skin and fat on the front of the patient's arm are gently pinched, and then the calipers are applied.
C) After applying the calipers, the nurse waits 3 seconds before taking a reading. After repeating the procedure three times, an average is recorded.
D) The patient is instructed to stand with his or her back to the examiner and arms folded across the chest. The skin on the forearm is pinched.