Correct Answer: B

Rationale: An enema is contraindicated in clients with suspected appendicitis because it can increase the risk of perforation. It is important to verify the appropriateness of this order with the physician.

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: D

Rationale: Toxic megacolon is a severe complication that may be exhibited by a client with ulcerative colitis.

Correct Answer: D

Rationale: Surgical management of ulcerative colitis may be necessary to treat complications such as bowel perforation.

Correct Answer: C

Rationale: Firm skin turgor indicates adequate hydration, which is a key goal of fluid resuscitation. Formed stools, decreased stool frequency, and relief from perianal burning are important but do not directly indicate successful fluid resuscitation.