the nurse is caring for a client on amiodarone what adverse effect is the nurse most concerned about
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Cardiovascular System Exam Questions Pdf

1. The nurse is caring for a client on amiodarone. What adverse effect is the nurse most concerned about?

Correct answer: A

Rationale: The correct answer is A, Pulmonary toxicity. Amiodarone is known to cause pulmonary toxicity, which can be serious and even fatal in some cases. This adverse effect includes interstitial pneumonitis, pulmonary fibrosis, and acute respiratory distress syndrome. Monitoring for symptoms such as cough, dyspnea, and fever is crucial. Choices B, Liver toxicity, C, Thyroid dysfunction, and D, Renal dysfunction, are incorrect because while amiodarone can also affect the liver, thyroid, and kidneys, the most concerning adverse effect that requires immediate attention and monitoring is pulmonary toxicity.

2. Which structure serves as the major chemoreceptor of the heart?

Correct answer: A

Rationale: The correct answer is A, the carotid body. The carotid body is the major chemoreceptor of the heart responsible for detecting changes in blood oxygen, carbon dioxide, and pH levels. This specialized structure helps regulate the cardiovascular system's response to maintain appropriate oxygen levels in the blood. Choices B, C, and D are incorrect as they are not directly involved in chemoreception in the heart. The aortic body is primarily involved in blood pressure regulation, the vagus nerve is a cranial nerve responsible for parasympathetic innervation, and the SA node is known as the heart's natural pacemaker.

3. The healthcare provider is administering IV nitroglycerin to a patient for chest pain. What is the most critical parameter to monitor?

Correct answer: B

Rationale: The correct answer is 'Blood pressure.' Nitroglycerin is a vasodilator that can cause a rapid drop in blood pressure, leading to hypotension. Monitoring the blood pressure is crucial to prevent potential complications such as hypotension-induced dizziness, syncope, or organ hypoperfusion. While heart rate, oxygen saturation, and respiratory rate are important parameters to monitor in a clinical setting, the immediate concern with IV nitroglycerin administration is the risk of hypotension, making blood pressure the most critical parameter to assess.

4. What is the condition where the lungs become filled with fluid, often due to heart failure, making it difficult to breathe?

Correct answer: A

Rationale: Pulmonary edema is the correct answer. It occurs when fluid fills the lungs, usually due to heart failure, leading to breathing difficulties. Pleural effusion is the accumulation of fluid around the lungs, not inside. Pulmonary hypertension is high blood pressure in the arteries of the lungs, and pneumothorax is the presence of air between the lung and chest wall.

5. What structure separates the left and right sides of the heart?

Correct answer: A

Rationale: The interventricular septum is the correct answer as it is the wall that separates the left and right sides of the heart, ensuring the oxygenated and deoxygenated blood do not mix. The endocardium is the inner lining of the heart chambers, the epicardium is the outermost layer of the heart wall, and the pericardium is the sac that surrounds the heart, providing protection and anchoring the heart in place. Therefore, choices B, C, and D are incorrect in the context of separating the left and right sides of the heart.

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