Correct Answer: D

Rationale: Prostaglandin E1 is prescribed for a child with transposition of the great arteries to increase blood mixing, which helps maintain adequate oxygen saturation and cardiac output. This medication does not prevent hypercyanotic spells, maintain hormone levels, or influence the position of the great arteries.

Correct Answer: B

Rationale: Humulin NPH is an intermediate-acting insulin with a peak action time of 4 to 12 hours after administration. During this period, the risk of hypoglycemic reactions is highest. It is important for the client to be aware of this timing to prevent, recognize, and manage hypoglycemia effectively.

Correct Answer: D

Rationale: Sucralfate is a gastric protectant that forms a protective coating over the ulcer. Administering sucralfate 1 hour before meals and at bedtime is important to create a barrier that protects the ulcer from gastric acid and mechanical irritation. This timing allows sucralfate to effectively coat the ulcer site and provide the desired therapeutic effect, enhancing its efficacy in promoting ulcer healing and symptom relief.

Correct Answer: C

Rationale: The correct answer is to monitor blood glucose levels closely. Prednisone can elevate blood glucose levels, necessitating close monitoring. Adjusting the insulin dose may be necessary, but this should be managed by a healthcare provider. Prednisone should be taken with food to reduce gastrointestinal discomfort and should not be stopped suddenly to prevent adverse effects.

Correct Answer: B

Rationale: When a client is prescribed codeine sulfate, it is essential to monitor bowel activity because this medication can lead to constipation. Therefore, monitoring bowel function is crucial to prevent or manage any potential gastrointestinal issues that may arise.