Nursing Elites

1. What procedure uses a catheter to open blocked coronary arteries and improve blood flow to the heart muscle?

• A. Angioplasty
• B. Stent placement
• C. Coronary artery bypass graft (CABG)
• D. Valve replacement

Correct answer: A

Rationale: The correct answer is A, Angioplasty. Angioplasty is a procedure where a catheter is used to open blocked coronary arteries and may involve the insertion of a stent to improve blood flow to the heart muscle. Stent placement (B) is a related procedure but specifically refers to the insertion of a stent. Coronary artery bypass graft (CABG) (C) is a surgical procedure that uses blood vessels to bypass blocked coronary arteries. Valve replacement (D) is a different procedure that involves replacing a heart valve, not opening blocked coronary arteries.

2. Which condition is an infection that inflames the air sacs in one or both lungs, which may fill with fluid?

• A. Pneumonia
• B. Bronchitis
• C. Tuberculosis
• D. Cystic fibrosis

Correct answer: A

Rationale: The correct answer is A, Pneumonia. Pneumonia is an infection that inflames the air sacs in the lungs, which may fill with fluid or pus, causing symptoms like cough, fever, and difficulty breathing. Bronchitis (choice B) is an inflammation of the bronchial tubes, not the air sacs in the lungs. Tuberculosis (choice C) is a bacterial infection that primarily affects the lungs but does not always cause fluid accumulation in the air sacs. Cystic fibrosis (choice D) is a genetic disorder that affects the lungs but does not directly cause inflammation of the air sacs with fluid.

3. What is a chronic condition where the heart is unable to pump blood effectively, leading to fluid buildup in the lungs and other parts of the body?

• A. Heart failure
• B. Myocardial infarction
• C. Pericarditis
• D. Pulmonary edema

Correct answer: A

Rationale: The correct answer is A: Heart failure. Heart failure is a chronic condition characterized by the heart's inability to pump blood effectively, resulting in fluid accumulation in the lungs and other body tissues. Myocardial infarction (choice B) refers to a heart attack caused by a blocked coronary artery, leading to damage of heart muscle tissue. Pericarditis (choice C) is the inflammation of the pericardium, the protective sac around the heart. Pulmonary edema (choice D) is a condition where fluid builds up in the lungs, often as a result of heart failure.

4. The nurse is administering enoxaparin (Lovenox) to a client. What is the most important lab value to monitor?

• A. Platelet count
• B. Hemoglobin
• C. White blood cell count
• D. aPTT

Correct answer: A

Rationale: The correct answer is A: Platelet count. When administering enoxaparin, it is crucial to monitor the platelet count because enoxaparin can lead to a rare but serious side effect known as thrombocytopenia, which is a decrease in platelet levels. Monitoring the platelet count helps in detecting this adverse effect early. Choices B, C, and D are incorrect because hemoglobin, white blood cell count, and aPTT are not the most important lab values to monitor specifically for enoxaparin administration.

5. What is the buildup of plaque in the arteries that can lead to heart attack, stroke, and other cardiovascular diseases?

• A. Atherosclerosis
• B. Arteriosclerosis
• C. Hypertension
• D. Diabetes

Correct answer: A

Rationale: Atherosclerosis is the correct answer. It is the buildup of plaque in the arteries, leading to the narrowing of blood vessels, reduced blood flow, and an increased risk of heart attacks, strokes, and other cardiovascular diseases. Arteriosclerosis (choice B) refers to the hardening and thickening of arterial walls, while hypertension (choice C) is high blood pressure, and diabetes (choice D) is a metabolic disorder characterized by high blood sugar levels. Therefore, choices B, C, and D are incorrect in the context of the question.

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