Correct Answer: A

Rationale: The correct answer is to take simvastatin in the evening. This timing is recommended because nighttime is when the most cholesterol is synthesized in the body. By taking statin medications in the evening, it can enhance their effectiveness in reducing cholesterol levels.

Correct Answer: B

Rationale: The nurse should monitor the client's serum lithium levels to ensure they are within the therapeutic range and to assess for potential toxicity. Monitoring serum lithium levels is crucial because lithium has a narrow therapeutic range, and levels outside this range can lead to toxicity, which can be life-threatening. Therefore, regular monitoring is essential to prevent adverse effects and ensure the medication's effectiveness.

Correct Answer: A

Rationale: Etanercept can cause bone marrow suppression, so it is important to monitor blood counts regularly.

Correct Answer: B

Rationale: Tremors are a possible adverse effect of Albuterol due to its stimulation of beta2 receptors in skeletal muscles. It is important for the healthcare provider to educate the caregiver about potential side effects to enhance safety and monitoring of the adolescent client.

Correct Answer: C

Rationale: The correct instruction for taking Lovastatin is to take it at bedtime. Cholesterol production in the liver is highest at night, so taking Lovastatin at bedtime aligns with the body's natural rhythm and maximizes its effectiveness.