When providing dietary teaching to an individual who has diabetes mellitus, type II, the nurse...

(A) Potassium intake that meets the recommended daily allowance is important, especially in clients who have a history of cardiac disease. (B) Low levels of magnesium can cause an increase in resistance to insulin and can lead to carbohydrate intolerance. (C) Sodium is an important electrolyte for all clients but has no direct effect on diabetes mellitus. (D) Bicarbonate plays an important role in acid-base balance. It is equally necessary for maintenance of all body functions.