ATI Gastrointestinal System Quizlet

Correct Answer: C

Rationale: Radiation therapy is commonly used for rectal cancer to shrink the tumor before surgery, which is not typically done for colon cancer.

Correct Answer: D

Rationale: The correct answer is D. Undigested food blocking the diverticulum can lead to bacterial invasion, causing inflammation and turning diverticulosis into diverticulitis. Choices A, B, and C do not directly facilitate the development of diverticulitis. Choice A involves a different mechanism related to laxative use, choice B describes a complication of chronic constipation but does not necessarily lead to diverticulitis, and choice C refers to a different condition involving herniation of the intestinal mucosa.

Correct Answer: C

Rationale: Radiation therapy is commonly used for rectal cancer to shrink the tumor before surgery, which is not typically done for colon cancer.

Correct Answer: D

Rationale: Morphine for pain should be questioned as it can cause spasms of the sphincter of Oddi, worsening pancreatitis.

Correct Answer: A

Rationale: Acetaminophen is often the first line of treatment for pain associated with irritable bowel disease due to its safety profile.