ATI Pharmacology

Correct Answer: A

Rationale: Clients with heart failure often have sodium restrictions. Sodium phosphate can lead to fluid retention due to sodium absorption, which is harmful for individuals with heart failure. Therefore, it should be avoided in this population to prevent exacerbating fluid overload.

Correct Answer: B

Rationale: The correct instruction for a client with a new prescription for Simvastatin is to avoid drinking grapefruit juice. Grapefruit juice can inhibit the metabolism of Simvastatin, leading to increased blood levels of the drug and a higher risk of adverse effects such as muscle pain and liver damage. It is important to educate the client about this potential interaction to ensure the safe and effective use of the medication.

Correct Answer: D

Rationale: A urine output of 200 mL in 8 hours indicates decreased kidney function and potential worsening heart failure. This finding should be reported promptly to the provider for further evaluation and management to prevent complications.

Correct Answer: D

Rationale: The nurse should expect that levothyroxine will be started at a low dose and gradually increased over several weeks. This cautious approach is crucial, especially in older adult clients, to prevent toxicity and ensure optimal therapeutic outcomes for managing hypothyroidism.

Correct Answer: B

Rationale: The correct instruction for a Nitroglycerin transdermal patch is to remove it each day, usually at bedtime, to prevent tolerance. The client should apply a new patch the next morning to maintain its therapeutic effect.