Correct Answer: D

Rationale: Meperidine hydrochloride (Demerol) is an opioid analgesic that can cause various side effects. Common side effects include respiratory depression, orthostatic hypotension, tachycardia, drowsiness, constipation, and urinary retention. Therefore, the nurse should monitor for urinary retention as a potential side effect of Meperidine hydrochloride.

Correct Answer: B

Rationale: Exenatide (Byetta) is specifically indicated for the treatment of type 2 diabetes mellitus and is not recommended for clients with type 1 diabetes mellitus who are taking insulin. Therefore, the appropriate intervention for the nurse is to withhold the medication and question the prescription with the healthcare provider to ensure the safety and appropriateness of the treatment plan for the client.

Correct Answer: D

Rationale: Constipation is a common side effect of iron supplements such as ferrous sulfate. Iron can cause constipation by slowing down the movement of the digestive system and hardening the stool. Patients should be advised to increase their fluid intake, dietary fiber, and physical activity to help alleviate this side effect.

Correct Answer: C

Rationale: Alcohol lowers the seizure threshold and should be avoided by individuals taking anticonvulsants.

Correct Answer: B

Rationale: The correct answer is B: Problems with visual acuity. Ethambutol is known to cause optic neuritis, leading to a decrease in visual acuity and color discrimination. Therefore, any visual changes should be reported promptly to prevent further complications.