The Nurse Is Running a Blood Pressure Screening Clinic at the Community

The nurse is running a blood pressure screening clinic at the community health center.Which action should the nurse implement to obtain an accurate measurement of a patient's blood pressure on an upper extremity?

A) Use a cuff with a cuff width that is 40% wider than the circumference of the arm.
B) Limit the cuff deflation rate to 10 mm Hg per second or heartbeat.
C) Record the second Korotkoff sound as the systolic pressure.
D) Apply the diaphragm of the stethoscope lightly over the brachial artery.