When a Patient Who Takes Metformin (Glucophage)to Manage Type 2

When a patient who takes metformin (Glucophage) to manage type 2 diabetes develops an allergic rash from an unknown cause,the health care provider prescribes prednisone (Deltasone) .The nurse will anticipate that the patient may

A) need a diet higher in calories while receiving prednisone.
B) develop acute hypoglycemia while taking the prednisone.
C) require administration of insulin while taking prednisone.
D) have rashes caused by metformin-prednisone interactions.