Mr. Jay presents with a day of severe abdominal pain. He is scheduled for a CT scan with contrast. One of his home medications is metformin (Glucophage). Once the test is completed the nurse anticipates:

a. Placing Mr. Jay on a regular diet
b. Giving the metformin (Glucophage) immediately
c. Placing Mr. Jay on a fluid restriction
d. Holding the metformin (Glucophage) for 48 hours