All of the following are features of secretory diarrhea, except:: (A) It is painless, (B) Reduces with fasting, (C) Stool volume is > 1L /day, (D) Stool osmotic gap is normal
Answer is B. Secretory diarrhea occur due to derangement's in fluid and electrolyte transpo across the enterocolonic mucosa. Features of secretory diarrhea includes: ? Painless ? Persist with fasting ? Watery and large volume ? Normal fecal osmotic gap Ref: Gastrointestinal Physiology Kim E. Barrett, Chapter 5; Harrison's Internal Medicine, 18th Edition, Chapter 40