Hunter is a nursing assistant measuring blood pressure. He positions the patient’s arm above the heart, palm facing down. He then places the cuff on the patient and places the arrow on the radial artery. He then uses a stethoscope and continues to finish with the blood pressure. Which best describes the error(s) he made?

A. The patient’s arm should be level with the heart and palm up, and the cuff arrow should be lined up with the brachial artery.
B. The patient’s arm should be below the level of the heart.
C. The cuff should be on the patient’s carotid artery.
D. The patient’s hand should be in a fist, and a stethoscope should not be used to take blood pressure.