A Female Patient Is Scheduled for an Ultrasound to Examine

A female patient is scheduled for an ultrasound to examine the uterus. How should the nurse instruct the patient to prepare for the test?

A) Take a laxative the night before the test to clear the colon of feces.
B) Restrict fluids prior to the day of the test.
C) Take no food or fluids after midnight the day before the test.
D) Increase fluid intake and do not void until after the test.