What is a key nursing teaching point for a patient receiving pelvic radiation therapy who complains of diarrhea and abdominal cramping?

1. Avoid all fluid intake to reduce the number of bowel movements
2. Increase dietary fiber and add bulk-forming laxatives
3. Use prescribed antidiarrheals and protect hydration and perineal skin
4. Switch to a high-residue diet with extra spices to stimulate the gut

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