Correct Answer: A

Rationale: In the case of an above-the-knee amputation, the priority item that should be available for emergency use is a surgical tourniquet. This is crucial to control severe bleeding that may occur post-operatively.

Correct Answer: B

Rationale: Wearing comfortable shoes and clothing is crucial for the client undergoing a treadmill stress test to ensure they can complete the test without discomfort. The right attire will help the client move freely and reduce the risk of any hindrance during the test, which requires physical activity.

Correct Answer: B

Rationale: Atrial fibrillation is characterized by an irregular and often rapid heart rate, which can lead to poor blood flow due to ineffective contractions of the atria.

Correct Answer: B

Rationale: For clients with peripheral arterial disease experiencing leg pain while walking, gradually increasing daily walking distance is beneficial. This approach helps improve circulation, build tolerance, and reduce symptoms over time. Compression stockings can also be recommended for some clients to assist with circulation, but the priority teaching point in this scenario is to promote gradual increases in walking distance to enhance vascular health and symptom management.

Correct Answer: B

Rationale: Pericardial friction rub is a distinctive sign of pericarditis, characterized by a scraping or grating sound heard on auscultation, which helps differentiate pericarditis from other cardiopulmonary conditions. Anterior chest pain may be present in various cardiopulmonary issues. Weakness and irritability are nonspecific symptoms, and chest pain worsening with inspiration is more indicative of pleuritic conditions.