When Assisting with a Transabdominal Ultrasound Sampling, Which of the Following

When assisting with a transabdominal ultrasound sampling, which of the following would the nurse do?

A) Obtain preliminary urinary samples.
B) Have the woman empty her bladder before the test begins.
C) Assist the woman into a supine position on the examining table.
D) Instruct the woman to eat a fat-free meal 2 hours before the scheduled test time.