Correct Answer: D

Rationale: To prevent constipation, elderly clients should be encouraged to get regular exercise, which promotes bowel motility.

Correct Answer: D

Rationale: The correct answer is D, Nonsteroidal anti-inflammatory drugs (NSAIDs). NSAIDs are known to cause gastritis by irritating the stomach lining. Choice A, Milk, is unlikely to cause gastritis and is actually a common remedy for mild gastritis symptoms. Choice B, Bicarbonate of soda or baking soda, is often used to relieve heartburn and indigestion, not cause gastritis. Choice C, Enteric-coated aspirin, is less likely to cause gastritis compared to NSAIDs because the enteric coating helps protect the stomach lining from irritation.

Correct Answer: B

Rationale: Fluid and electrolyte imbalance is a common complication following ileostomy surgery due to the loss of large volumes of fluid and electrolytes through the stoma. Monitoring and replacing fluids and electrolytes is essential.

Correct Answer: A

Rationale: Acute pancreatitis typically presents with severe, unrelenting pain in the epigastric area that radiates to the back. This pain is due to inflammation and autodigestion of the pancreas.

Correct Answer: B

Rationale: In the early stages of peritonitis, the client would exhibit abdominal pain and rigidity due to inflammation.