A Woman Is Advised by Her Physician to Have a Mammogram

A woman is advised by her physician to have a mammogram. What instructions should the nurse provide to assist the patient to prepare for the examination?

A) There is no preparation required.
B) Fast for 12 hours before the test.
C) Avoid caffeinated foods and beverages for 24 hours before the test.
D) Avoid applying deodorant or powder before the test.