ATI RN
Cardiovascular System Exam Questions
1. What is the condition where the pericardium, the sac surrounding the heart, becomes inflamed, leading to chest pain and other symptoms?
- A. Pericarditis
- B. Myocarditis
- C. Endocarditis
- D. Pulmonary hypertension
Correct answer: A
Rationale: Pericarditis is the correct answer. It is the inflammation of the pericardium, the sac surrounding the heart, which can lead to chest pain and other symptoms. Myocarditis (choice B) is inflammation of the heart muscle, not the pericardium. Endocarditis (choice C) is inflammation of the inner lining of the heart chambers and valves, not the pericardium. Pulmonary hypertension (choice D) is high blood pressure in the arteries of the lungs, not related to pericardial inflammation.
2. What is a chronic inflammatory disease that affects the small airways in the lungs, leading to episodes of wheezing, breathlessness, and coughing?
- A. Asthma
- B. COPD
- C. Bronchitis
- D. Lung cancer
Correct answer: A
Rationale: Asthma is the correct answer. It is a chronic inflammatory disease that affects the small airways in the lungs, leading to symptoms like wheezing, breathlessness, and coughing. Asthma is commonly triggered by allergens, exercise, respiratory infections, and other factors. Choice B, COPD (Chronic Obstructive Pulmonary Disease), is characterized by airflow limitation and is often caused by smoking. Choice C, Bronchitis, is an inflammation of the bronchial tubes and can be acute or chronic. Choice D, Lung cancer, is a disease characterized by uncontrolled cell growth in lung tissues and is commonly associated with smoking or environmental factors.
3. What test measures the electrical activity of the heart to detect arrhythmias and other heart conditions?
- A. Electrocardiogram (ECG or EKG)
- B. Chest X-ray
- C. Stress test
- D. Arterial blood gas (ABG)
Correct answer: A
Rationale: An electrocardiogram (ECG or EKG) is used to measure the heart's electrical activity, aiding in the detection of arrhythmias and other heart conditions. Choice B, a chest X-ray, is not used to measure electrical activity but to visualize the structures of the chest. Choice C, a stress test, evaluates the heart's response to exertion and is not primarily focused on measuring electrical activity. Choice D, an arterial blood gas (ABG) test, is used to assess oxygen and carbon dioxide levels in the blood, not the heart's electrical activity.
4. The client is receiving digoxin and complains of nausea. What is the nurse’s priority action?
- A. Check the client’s digoxin level.
- B. Continue the current dose of digoxin.
- C. Administer an antiemetic for nausea.
- D. Discontinue the digoxin immediately.
Correct answer: A
Rationale: The correct answer is to check the client’s digoxin level (Choice A). Nausea can be a sign of digoxin toxicity, so assessing the digoxin level is crucial to determine if the medication dosage needs adjustment. Continuing the current dose of digoxin (Choice B) may worsen the symptoms if toxicity is present. Administering an antiemetic (Choice C) may provide temporary relief but does not address the underlying issue of digoxin toxicity. Discontinuing digoxin immediately (Choice D) without assessing the digoxin level can be harmful if the medication is within the therapeutic range.
5. What is a condition where blood clots form in the deep veins, usually in the legs, and can travel to the lungs, causing serious complications?
- A. Deep vein thrombosis (DVT)
- B. Pulmonary embolism
- C. Varicose veins
- D. Peripheral artery disease
Correct answer: A
Rationale: The correct answer is A, Deep vein thrombosis (DVT). Deep vein thrombosis occurs when blood clots form in the deep veins, usually in the legs, and these clots can potentially travel to the lungs, leading to a pulmonary embolism. Pulmonary embolism (choice B) is a serious complication that can result from untreated DVT. Varicose veins (choice C) and peripheral artery disease (choice D) are not directly related to the formation of blood clots in deep veins that can lead to pulmonary embolism.
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