ATI RN
Cardiovascular System Exam Questions Pdf
1. What is a condition where the heart's ability to pump blood is decreased, leading to fluid buildup in the lungs and other parts of the body?
- A. Heart failure
- B. Cardiomyopathy
- C. Pericarditis
- D. Myocarditis
Correct answer: A
Rationale: The correct answer is A, heart failure. Heart failure is a condition where the heart is unable to pump blood effectively, leading to fluid accumulation in the lungs and other areas. Choice B, Cardiomyopathy, refers to diseases of the heart muscle. Choices C and D, Pericarditis and Myocarditis, respectively, are conditions involving inflammation of the outer lining of the heart and the heart muscle itself, which may not always directly result in decreased pumping ability like heart failure does.
2. The healthcare provider is monitoring a client receiving lidocaine IV. What side effect is the healthcare provider most concerned about?
- A. Severe headache
- B. Nausea and vomiting
- C. Seizures
- D. Tremors
Correct answer: C
Rationale: Seizures are the most concerning side effect of lidocaine IV administration due to its potential to indicate lidocaine toxicity, which can lead to serious complications such as cardiovascular collapse. Headache, nausea, and tremors are not typically associated with lidocaine IV and are less concerning compared to seizures in this context.
3. The nurse is monitoring a client on dobutamine. What adverse effect should the nurse watch for?
- A. Tachycardia
- B. Bradycardia
- C. Hypertension
- D. Respiratory distress
Correct answer: A
Rationale: The correct answer is A: Tachycardia. Dobutamine is a medication that stimulates beta-1 adrenergic receptors in the heart, leading to increased heart rate. Therefore, tachycardia is a common adverse effect that the nurse should monitor for. Choices B, C, and D are incorrect because dobutamine typically does not cause bradycardia, hypertension, or respiratory distress as its primary adverse effects.
4. What is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium?
- A. Mitral regurgitation
- B. Aortic stenosis
- C. Tricuspid regurgitation
- D. Pulmonary hypertension
Correct answer: A
Rationale: Mitral regurgitation is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium. This can result in symptoms like shortness of breath and fatigue. Choices B, C, and D are incorrect because aortic stenosis, tricuspid regurgitation, and pulmonary hypertension involve different heart valves or conditions, not the mitral valve specifically.
5. 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.
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