Intestinal Disorders

Question 1

Further workup with constipation and the following:

Answer 1

Over age 50
Severe constipation
Signs of an organic disorder
Hematochezia
Weight loss
Positive FOBT

Question 2

Diarrhea Pathophysiology: Osmotic

Answer 2

non-absorbable substance draws out excess water into the intestines & increases stool weight and volume
Due to eating or drinking, medications

Question 3

Diarrhea Pathophysiology: Secretory

Answer 3

mucosal secretion of fluid & electrolytes secondary to bacterial enterotoxins, neoplasms or exotoxins
Due to bile salt malabsporption or crohn’s

Question 4

Diarrhea Pathophysiology: Motility

Answer 4

food is not mixed properly, digestion is impaired and motility is increased; secondary to resection of the small intestine, surgical bypass of an area of intestine or diabetic neuropathy
Due to systemic disease or prior abdominal surgery, laxative abuse