LPN Pharmacology

Correct Answer: D

Rationale: Assessing the client's level of consciousness is the priority action post-CABG surgery to monitor for signs of cerebral hypoxia or other complications that require immediate intervention. Changes in the client's level of consciousness can indicate neurological deterioration, which is critical to address promptly in this postoperative period.

Correct Answer: D

Rationale: In this scenario, the nurse should prioritize educating the client about the effects of cocaine on the heart and provide a referral for further help. This approach is crucial in addressing the root cause of the client's health issues and supporting them in making informed decisions about their health. Reporting the client to the police or simply explaining the damage without offering solutions may not effectively address the client's needs or promote holistic care.

Correct Answer: B

Rationale: The correct answer is B. Taking frequent walks and avoiding prolonged bed rest are essential measures to promote circulation and reduce the risk of thrombophlebitis. Physical activity helps prevent blood from pooling and clotting in the veins, thus decreasing the likelihood of thrombophlebitis development.

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: In a client with coronary artery disease (CAD), ensuring the availability of oxygen and a flowmeter at the bedside is crucial. Oxygen is essential for adequate oxygenation, which helps prevent myocardial ischemia, a common complication in CAD.