ATI RN
Cardiovascular System Exam
1. 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.
2. What is a condition where the heart's electrical system malfunctions, leading to an irregular heartbeat or arrhythmia?
- A. Arrhythmia
- B. Bradycardia
- C. Tachycardia
- D. Ventricular fibrillation
Correct answer: A
Rationale: The correct answer is A, Arrhythmia. Arrhythmia refers to an irregular heartbeat caused by the malfunction of the heart's electrical system. Bradycardia (choice B) is a condition characterized by a slow heart rate, while Tachycardia (choice C) is a condition characterized by a fast heart rate. Ventricular fibrillation (choice D) is a life-threatening arrhythmia where the heart's lower chambers quiver erratically.
3. What is a condition where the blood flow to the brain is temporarily blocked, often referred to as a mini-stroke?
- A. Transient ischemic attack (TIA)
- B. Stroke
- C. Aneurysm
- D. Myocardial infarction
Correct answer: A
Rationale: A transient ischemic attack (TIA) is the correct answer. A TIA is often referred to as a mini-stroke because it is caused by a temporary blockage of blood flow to the brain. This blockage resolves on its own, typically within minutes to hours, leading to temporary symptoms similar to a stroke. Option B, 'Stroke,' is incorrect because a stroke involves a more prolonged interruption of blood flow to the brain. Option C, 'Aneurysm,' is incorrect as it is a bulge in a blood vessel that can rupture and cause bleeding, not a temporary blockage of blood flow. Option D, 'Myocardial infarction,' is also incorrect as it refers to a heart attack, not a condition involving the brain's blood flow.
4. The nurse is caring for a heart client on digoxin and notes a potassium level of 2.5. What is the appropriate priority nursing intervention?
- A. Do nothing as this is a normal potassium level.
- B. The potassium level is low so the nurse asks for an order for potassium.
- C. The nurse asks to check the digoxin level as low potassium can increase digoxin toxicity.
- D. The nurse stops the digoxin.
Correct answer: C
Rationale: The correct answer is C. When caring for a client on digoxin with a low potassium level, the priority nursing intervention is to check the digoxin level. Low potassium can increase the risk of digoxin toxicity. Checking the digoxin level will help determine if any adjustments to the medication regimen are needed to prevent potential harm. Choice A is incorrect as a potassium level of 2.5 is low, not normal. Choice B is not the priority as simply giving potassium may not address the underlying issue of potential digoxin toxicity. Choice D is not the initial action to take without assessing the digoxin level first.
5. What is a chronic condition where the blood pressure in the arteries is persistently elevated, increasing the risk of heart disease and stroke?
- A. Hypertension
- B. Hypotension
- C. Hyperlipidemia
- D. Hyperglycemia
Correct answer: A
Rationale: Hypertension, also known as high blood pressure, is a chronic condition characterized by persistently elevated pressure in the arteries. This condition increases the risk of heart disease, stroke, and other health issues. Hypotension (choice B) refers to low blood pressure and is not the correct answer. Hyperlipidemia (choice C) is high levels of fats in the blood, not related to blood pressure. Hyperglycemia (choice D) is high blood sugar levels, not directly related to elevated blood pressure.
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