LPN Pharmacology

Correct Answer: B

Rationale: Increasing sodium intake is essential when taking lithium to counteract the risk of developing hyponatremia. Lithium can lead to decreased sodium levels, so increasing sodium intake can help maintain an adequate balance and prevent complications.

Correct Answer: C

Rationale: Bibasilar crackles are abnormal lung sounds that indicate fluid accumulation in the lungs, a sign that left-sided heart failure is worsening. This finding suggests that the client's condition is deteriorating and requires prompt intervention to prevent further complications.

Correct Answer: A

Rationale: In hyperkalemia, tall, peaked T waves are a distinct ECG finding. These T waves can be seen as a result of increased serum potassium levels, affecting the repolarization phase of the cardiac action potential. It is crucial for healthcare providers to recognize this ECG change promptly as hyperkalemia can lead to serious cardiac arrhythmias and complications.

Correct Answer: C

Rationale: Abruptly stopping metoprolol can lead to rebound hypertension, causing a sudden increase in blood pressure due to the sudden withdrawal of the medication. Gradually tapering the dose helps the body adjust and reduces the risk of this adverse effect.

Correct Answer: D

Rationale: Fresh strawberries, steamed vegetables, and baked fish constitute a meal low in saturated fats and cholesterol, making it a suitable choice for a client with CAD. This meal aligns with dietary recommendations to support heart health and manage CAD.