The physician has ordered that a daily exercise program be instituted by a client with...

(A) Exercise should not be performed before meals because the blood sugar is usually lower just prior to eating; therefore, there is an increased risk for hypoglycemia. (B) Exercise lowers blood sugar levels; therefore, a snack may be needed to maintain the appropriate glucose level. (C) Exercise lowers blood sugar levels. (D) Exercise lowers blood sugar levels. If the blood glucose level is 100 mg or below at the start of exercise, the potential for hypoglycemia is greater.