A nurse is providing teaching on constipation prevention to a client. Which of the following methods of prevention should the nurse include in the teaching?

Nursing education for constipation prevention focuses on promoting healthy bowel habits, adequate hydration, and dietary fiber intake to support normal gastrointestinal motility. Constipation occurs when stool passage is infrequent or difficult due to slow colonic transit, dehydration, or reduced physical activity. Lifestyle modifications are first-line interventions and are especially important in preventing chronic bowel dysfunction. Patient teaching should emphasize consistent fluid intake, regular activity, and balanced nutrition. Rationale: A. Increasing the use of herbal supplements and vitamins is not a reliable or primary method for preventing constipation. Some herbal products may actually worsen constipation or interact with medications, leading to adverse effects. Evidence-based prevention strategies such as diet, hydration, and activity are safer and more effective. B. Limiting daily fiber intake to 25 g is incorrect because fiber intake is generally recommended at around 25–30 g per day for adults to promote regular bowel movements. Fiber increases stool bulk and stimulates peristalsis, making stool easier to pass. Reducing fiber intake would actually increase the risk of constipation. C. Completing low-impact exercise twice weekly is insufficient for optimal bowel health because physical activity should be performed more regularly to stimulate gastrointestinal motility. Daily movement, even light walking, is more effective in promoting peristalsis. Infrequent exercise does not provide consistent stimulation of bowel function. D. Drinking at least 2 liters of fluid daily is appropriate because adequate hydration softens stool and promotes easier passage through the intestines. Fluids help prevent hard, dry stools that contribute to constipation. Increased water intake works synergistically with dietary fiber to support normal bowel function and prevent stool retention.