Correct Answer: B

Rationale: Furosemide is a loop diuretic that acts by inhibiting sodium and chloride reabsorption in the loop of Henle, leading to increased diuresis. By reducing fluid retention, furosemide helps decrease the workload on the heart in patients with chronic heart failure. This medication does not directly increase cardiac output, decrease heart rate, or lower blood pressure as its primary action.

Correct Answer: C

Rationale: In children, ringing in the ears (tinnitus) can be a sign of aspirin toxicity. Aspirin toxicity can be particularly concerning in children and can lead to serious complications. Therefore, it is crucial for the nurse to prioritize monitoring for signs of aspirin toxicity, such as tinnitus, and promptly notify the healthcare provider if such symptoms occur.

Correct Answer: C

Rationale: Validating the client's feelings can help her express and manage her emotions effectively.

Correct Answer: C

Rationale: The nurse should stop the magnesium sulfate infusion immediately in a client with preeclampsia exhibiting diminished reflexes, respiratory depression, and low urinary output, which indicate magnesium sulfate toxicity. This action is crucial to prevent further complications and adverse effects on the client.

Correct Answer: D

Rationale: When a patient with depression is prescribed fluoxetine, the nurse should be vigilant for the potential side effect of increased risk of suicidal thoughts. Fluoxetine, like other antidepressants, may elevate the risk of suicidal thoughts, particularly during the initial phases of treatment. Monitoring the patient for any indications of heightened depression or suicidal ideation is crucial to ensure appropriate interventions are implemented promptly.