ATI RN
Cardiovascular System Practice Exam
1. This heart condition is characterized by decreased cardiac output and tissue perfusion, which can lead to organ failure.
- A. Cardiogenic shock
- B. Myocardial infarction
- C. Endocarditis
- D. Pericarditis
Correct answer: A
Rationale: The correct answer is A: Cardiogenic shock. Cardiogenic shock is a severe condition characterized by the heart's inability to pump enough blood, leading to decreased cardiac output and tissue perfusion, which can result in organ failure. Choice B, Myocardial infarction, specifically refers to a blockage of blood flow to the heart muscle. Choices C and D, Endocarditis and Pericarditis, do not directly involve decreased cardiac output leading to organ failure, making them incorrect in the context of the symptoms described in the question.
2. The client on digoxin has a potassium level of 2.7 mEq/L. What is the nurse’s priority action?
- A. Hold the digoxin and notify the healthcare provider.
- B. Administer the digoxin as ordered.
- C. Increase the dose of digoxin.
- D. Administer potassium supplements.
Correct answer: A
Rationale: The correct answer is to hold the digoxin and notify the healthcare provider. A potassium level of 2.7 mEq/L is considered low and can increase the risk of digoxin toxicity. Holding the medication and informing the healthcare provider is crucial to prevent adverse effects. Administering the digoxin as ordered (Choice B) would put the client at a higher risk for toxicity. Increasing the dose of digoxin (Choice C) is not appropriate when the client's potassium level is low. Administering potassium supplements (Choice D) may be necessary but is not the priority action in this situation.
3. The client is on amiodarone and reports blurred vision. What is the nurse’s best response?
- A. Reassure the client that this is a common side effect.
- B. Instruct the client to report this symptom to the healthcare provider immediately.
- C. Advise the client to stop taking the medication.
- D. Discontinue the amiodarone immediately.
Correct answer: B
Rationale: Blurred vision is a potential side effect of amiodarone. Instructing the client to report this symptom to the healthcare provider immediately is the most appropriate response. Choice A is incorrect because although blurred vision can be a common side effect of amiodarone, it should not be dismissed without further evaluation. Choice C is incorrect as advising the client to stop taking the medication without consulting the healthcare provider can be dangerous and is not the first course of action. Choice D is too drastic as discontinuing the medication should be done under the guidance of a healthcare provider after proper evaluation.
4. What is the condition where the lung collapses due to air leaking into the space between the lung and chest wall?
- A. Pneumothorax
- B. Pleural effusion
- C. Pulmonary fibrosis
- D. Lung cancer
Correct answer: A
Rationale: Pneumothorax is the correct answer. It is the collapse of a lung due to air leaking into the space between the lung and chest wall. This condition often requires emergency treatment. Choice B, Pleural effusion, is the buildup of excess fluid between the layers of the pleura outside the lung, not air. Choice C, Pulmonary fibrosis, is a lung disease characterized by scarring and thickening of lung tissue, not related to lung collapse. Choice D, Lung cancer, is the uncontrolled growth of abnormal cells in the lung, not directly causing lung collapse.
5. Which test measures the electrical activity of the heart and can detect arrhythmias and other heart conditions?
- A. Electrocardiogram (ECG or EKG)
- B. Chest X-ray
- C. MRI
- D. CT scan
Correct answer: A
Rationale: The correct answer is A: Electrocardiogram (ECG or EKG). An electrocardiogram is a test that measures the electrical activity of the heart and can detect arrhythmias and other heart conditions by recording the heart's electrical impulses. Choices B, C, and D are incorrect because a chest X-ray is used to visualize the structures in the chest, an MRI (Magnetic Resonance Imaging) is used to provide detailed images of organs and tissues, and a CT scan (Computed Tomography) is a type of imaging that uses X-rays to create detailed cross-sectional images of the body.
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