The Nurse Is Caring for a Patient with Diabetes Who

The nurse is caring for a patient with diabetes who reports numbness and tingling in his right foot.The patient is scheduled for arterial plethysmography of both lower limbs.The patient asks the nurse, "Why are they testing both legs instead of just the one that hurts?" Which of the following responses by the nurse is best?

A) "The test will help detect the degree of neuropathy you may have in either leg, even though you only have symptoms in one leg right now."
B) "The test will help identify your risk for varicose veins."
C) "The test will help your health-care provider figure out if the pain in your leg is caused by diabetic damage to your nerves."
D) "The test helps identify changes in the arteries that supply blood to your leg.The vessels in your unaffected leg will be compared to those in the leg that is causing you problems."