A Patient Receiving Radiation Therapy as Treatment for Colorectal Cancer

A patient receiving radiation therapy as treatment for colorectal cancer is experiencing nausea and vomiting.What should the nurse encourage the patient to do?

A) Use a commercial mouthwash before eating a meal.
B) Eat spicy or well-seasoned foods instead of bland foods.
C) Delay the intake of a meal until three to four hours after treatment.
D) Avoid all food and liquid until nausea and vomiting stop.