A 55-Year-Old Bookkeeper Comes to Your Office for a Routine

A 55-year-old bookkeeper comes to your office for a routine visit. You note that on a previous visit for treatment of contact dermatitis, her blood pressure was elevated. She does not have prior elevated readings and her family history is negative for hypertension. You measure her blood pressure in your office today. Which of the following factors can result in a false high reading?

A) Blood pressure cuff is tightly fitted.
B) Patient is seated quietly for 10 minutes prior to measurement.
C) Blood pressure is measured on a bare arm.
D) Patient's arm is resting, supported by your arm at her mid-chest level as you stand to measure the blood pressure.