Biology · Pharmacology and Gastrointestinal Drugs
Bulk-forming laxatives such as psyllium (Isabgol) are preferred in chronic constipation because they mimic dietary fiber. What is the primary mechanism by which these agents facilitate defecation?
- 1Increase digestive enzyme secretion
- 2Reduce intestinal motility
- 3Absorb water and increase fecal bulk✓
- 4Inhibit bile acid secretion
Correct answer
Absorb water and increase fecal bulk
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