ATI RN
Cardiovascular System Exam Questions Pdf
1. What is an infection that causes inflammation in the air sacs of one or both lungs, which may fill with fluid or pus?
- A. Pneumonia
- B. Tuberculosis
- C. Pleurisy
- D. Pulmonary edema
Correct answer: A
Rationale: The correct answer is A, Pneumonia. Pneumonia is an infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus, causing symptoms like cough, fever, chills, and difficulty breathing. Tuberculosis (B) is a bacterial infection that primarily affects the lungs but is caused by a different bacterium. Pleurisy (C) is inflammation of the tissues that line the lungs and chest cavity, not the air sacs. Pulmonary edema (D) is a condition where fluid accumulates in the lungs' air sacs but is often due to heart problems rather than an infection.
2. When administering enoxaparin (Lovenox) to a client for DVT prophylaxis, what is the most important lab value to monitor?
- A. Platelet count
- B. PT/INR
- C. aPTT
- D. Hemoglobin
Correct answer: A
Rationale: The correct answer is A: Platelet count. When administering enoxaparin (Lovenox) for DVT prophylaxis, it is crucial to monitor the platelet count as enoxaparin can lead to thrombocytopenia, a decrease in platelet levels. Monitoring the platelet count helps in early detection of this potential adverse effect. Choices B, C, and D are incorrect because PT/INR, aPTT, and hemoglobin levels are not the most important lab values to monitor specifically for enoxaparin administration and DVT prophylaxis.
3. What is a condition where the arteries that supply blood to the heart muscle become hardened and narrowed due to the buildup of plaque?
- A. Atherosclerosis
- B. Aneurysm
- C. Arrhythmia
- D. Peripheral artery disease
Correct answer: A
Rationale: Atherosclerosis is the correct answer. It is a condition characterized by the hardening and narrowing of arteries supplying blood to the heart due to plaque buildup. This condition increases the risk of heart attacks. Choice B, aneurysm, refers to a balloon-like bulge in an artery, not the hardening and narrowing of arteries. Choice C, arrhythmia, is an irregular heartbeat and not related to arterial hardening. Choice D, peripheral artery disease, involves the narrowing of arteries that supply blood to the limbs, not specifically to the heart.
4. The client on atorvastatin (Lipitor) should be advised to report which of the following symptoms?
- A. Muscle pain
- B. Headache
- C. Nausea
- D. Dizziness
Correct answer: A
Rationale: The correct answer is A: Muscle pain. Muscle pain can be a sign of rhabdomyolysis, a serious side effect of statins like atorvastatin. Rhabdomyolysis is a condition where muscle fibers break down rapidly and release their contents into the bloodstream, which can lead to kidney damage. Headache, nausea, and dizziness are not commonly associated with atorvastatin use and are less likely to indicate a serious adverse reaction compared to muscle pain.
5. Which condition is characterized by an inability to effectively pump blood, leading to fluid buildup and swelling in the body?
- A. Heart failure
- B. Cardiomyopathy
- C. Angina
- D. Myocarditis
Correct answer: A
Rationale: Heart failure is the correct answer. It is a condition where the heart is unable to pump blood effectively, resulting in fluid accumulation and swelling in the body. Cardiomyopathy is a disease of the heart muscle that affects its ability to pump blood but is not the specific condition described in the question. Angina is chest pain or discomfort caused by reduced blood flow to the heart, not directly related to fluid buildup and swelling. Myocarditis is inflammation of the heart muscle and does not necessarily involve the inability to pump blood effectively.
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