A 4-year-old child with a urinary tract infection is scheduled to have a voiding cystourethrogram. When preparing the child for this procedure, the nurse would want to prepare the child to:
a) Drink plenty of water before the test.
b) Be NPO (nothing by mouth) for 4 hours before the test.
c) Receive sedation before the test.
d) Wear loose-fitting clothing.