Use of grapefruit

Use of grapefruit

A 70-year-old woman is starting on an acidic drug. The nurse is aware that food and nutrient intake can affect drug excretion by changing the urinary pH. About which of the following will the nurse question the patient concerning her diet?

A) The intake of sodium

B) The amount of meat and vegetables

C) The use of grapefruit

D) The intake of foods high in protein