ATI RN
Physical Exam Cardiovascular System
1. The client on clopidogrel (Plavix) should be monitored for which adverse effect?
- A. Bleeding
- B. Hypertension
- C. Tachycardia
- D. Bradycardia
Correct answer: A
Rationale: Correct! Clopidogrel (Plavix) is an antiplatelet medication that helps prevent blood clots. As a side effect, it can increase the risk of bleeding. Monitoring for signs of bleeding, such as easy bruising, blood in urine or stools, or prolonged bleeding from cuts, is crucial. Choices B, C, and D are incorrect as hypertension, tachycardia, and bradycardia are not typically associated with clopidogrel use.
2. What is the term that describes the inability of cardiac cells to respond to a new stimulus while they are still in contraction from a previous stimulus?
- A. Refractoriness
- B. Excitability
- C. Contractility
- D. Automaticity
Correct answer: A
Rationale: Refractoriness is the correct term to describe the inability of cardiac cells to respond to a new stimulus while they are still in contraction from a previous stimulus. This period is essential for the heart to complete its contraction and relaxation phases without interference. Excitability refers to the ability of cells to respond to stimuli, not the inability to respond. Contractility is the force of cardiac muscle contraction, and automaticity is the ability of cardiac cells to generate electrical impulses spontaneously, which are not relevant to the described scenario.
3. The nurse is caring for a client with atrial fibrillation on dabigatran (Pradaxa). What is the most important instruction to give to the client?
- A. Take the medication with food to prevent stomach upset.
- B. Do not miss a dose and take it at the same time each day.
- C. Avoid consuming alcohol while on this medication.
- D. Monitor for signs of bleeding.
Correct answer: B
Rationale: The most important instruction to give to a client on dabigatran (Pradaxa) is not to miss a dose and take it at the same time each day. This is crucial for maintaining the anticoagulant effect of the medication. Choice A is not necessary as dabigatran does not need to be taken with food. Choice C is important but not as crucial as ensuring proper dosing. Choice D is also important but falls behind in priority compared to maintaining consistent dosing.
4. The client on spironolactone (Aldactone) should avoid which type of food?
- A. Foods high in potassium
- B. Foods high in sodium
- C. Foods high in calcium
- D. Foods high in chloride
Correct answer: A
Rationale: The correct answer is A: Foods high in potassium. Spironolactone is a potassium-sparing diuretic, meaning it helps the body retain potassium and excrete sodium. Therefore, clients on spironolactone should avoid foods high in potassium to prevent hyperkalemia, which is an elevated level of potassium in the blood. Choices B, C, and D are incorrect because spironolactone specifically affects potassium levels, not sodium, calcium, or chloride.
5. What is a condition where the right side of the heart fails due to increased pressure in the pulmonary arteries, often caused by chronic lung disease?
- A. Cor pulmonale
- B. Heart failure
- C. Pulmonary embolism
- D. Myocarditis
Correct answer: A
Rationale: Cor pulmonale is the correct answer. It is a condition where the right side of the heart fails due to increased pressure in the pulmonary arteries, often caused by chronic lung disease such as COPD. Pulmonary embolism (choice C) is a blockage in one of the pulmonary arteries in your lungs. Myocarditis (choice D) is inflammation of the heart muscle. While heart failure (choice B) is a broad term that can involve the failure of either the right or left side of the heart.
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