Iron absorption from intestine is regulated by -: (A) Acid secretion in stomach, (B) Reducing substances in food, (C) Mucosal block in the intestinal cells in according to iron requirement, (D) Alkaline medium in small intestine
Answer is C. The iron absorption is based on Mucosal block in the intestinal cells in according to iron requirement. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 623