ATI Gastrointestinal System Quizlet

Correct Answer: D

Rationale: A fecal occult blood test should be performed annually for individuals over age 50 to screen for colon cancer.

Correct Answer: B

Rationale: Ulcerative colitis is believed to be caused by an altered immune response in the gastrointestinal tract.

Correct Answer: C

Rationale: Medical management of diverticulitis typically includes the administration of antibiotics to treat infection and inflammation.

Correct Answer: A

Rationale: A low-fiber diet is implicated in the development of diverticulosis because it leads to harder stools and increased pressure in the colon. The lack of fiber results in decreased bulk and slower transit time, predisposing individuals to constipation and the formation of diverticula. High-fiber diets, on the other hand, promote regular bowel movements and help prevent diverticular disease. High-protein and low-carbohydrate diets do not have a direct association with diverticulosis.

Correct Answer: A

Rationale: Radiation therapy is used before surgery to reduce the size of the tumor, making it easier to remove.