The nurse provides care for a client in the health provider's office. The client is prescribed fiber daily for constipation. The nurse understands that fiber helps bowel elimination in which way?
1. Fiber increases water intake into the intestines, making bowel movements loose.
2. Fiber decreases the weight of stool, making it easier to move through the intestines.
3. Fiber causes the intestines to contract to move stool through the intestines.
4. Fiber increases the bulk of fecal matter, making it easier to pass.