Following a Cardiac Catheterization with Coronary Angiography,the Physician Writes an Order

Following a cardiac catheterization with coronary angiography,the physician writes an order to increase the patient's fluid intake.The nurse knows that increasing the fluid intake is ordered for what reason?

A) Reducing the nausea related to the dye absorption
B) Maintaining adequate blood pressure and perfusion
C) Diluting the urine to prevent kidney damage
D) Making up for fluid lost during the angiogram