ATI RN
Cardiovascular System Practice Exam
1. What test measures the pressure in the arteries during the contraction and relaxation of the heart?
- A. Blood pressure test
- B. Electrocardiogram (ECG or EKG)
- C. Spirometry
- D. Pulse oximetry
Correct answer: A
Rationale: The correct answer is 'Blood pressure test.' This test measures the pressure in the arteries during the contraction (systolic) and relaxation (diastolic) phases of the heart, providing important information about heart health. Choice B, 'Electrocardiogram (ECG or EKG),' records the heart's electrical activity and is not specifically related to measuring arterial pressure. Choice C, 'Spirometry,' assesses lung function by measuring airflow. Choice D, 'Pulse oximetry,' measures oxygen saturation in the blood, not arterial pressure.
2. 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.
3. What is a condition where the walls of the arteries become thickened and stiff, often due to the buildup of plaque, leading to reduced blood flow?
- A. Atherosclerosis
- B. Angina
- C. Hypertension
- D. Arrhythmia
Correct answer: A
Rationale: Atherosclerosis is the correct answer. It is a condition characterized by the thickening and stiffening of artery walls due to plaque buildup, which restricts blood flow. Angina (choice B) is chest pain or discomfort caused by reduced blood flow to the heart. Hypertension (choice C) is high blood pressure, not directly related to arterial wall thickening. Arrhythmia (choice D) refers to irregular heart rhythms and is not specifically linked to artery wall changes like atherosclerosis.
4. The nurse is caring for a client on digoxin with a heart rate of 48 bpm. What is the nurse’s priority action?
- A. Hold the digoxin and notify the healthcare provider.
- B. Administer the digoxin as ordered.
- C. Administer atropine to increase the heart rate.
- D. Increase the dose of digoxin.
Correct answer: A
Rationale: In this scenario, the nurse's priority action should be to hold the digoxin and notify the healthcare provider. A heart rate of 48 bpm is low, and digoxin, being a medication that can further decrease the heart rate, should be withheld. Administering the digoxin as ordered (Choice B) would not be appropriate in this situation as it can exacerbate bradycardia. Atropine (Choice C) is not the initial treatment for this scenario; holding the digoxin is the first action. Increasing the dose of digoxin (Choice D) would be contraindicated due to the client's bradycardia. Therefore, the correct action is to hold the digoxin and inform the healthcare provider for further guidance.
5. What is a chronic condition where the airways in the lungs become damaged and widened, leading to mucus buildup and frequent infections?
- A. Bronchiectasis
- B. Chronic bronchitis
- C. Pneumoconiosis
- D. Asthma
Correct answer: A
Rationale: Bronchiectasis is a chronic condition characterized by the damage and widening of the airways in the lungs, resulting in mucus accumulation and recurrent lung infections. Choice B, chronic bronchitis, involves inflammation of the bronchial tubes and excessive mucus production but does not specifically mention airway damage and widening. Choice C, pneumoconiosis, refers to lung diseases caused by inhalation of mineral dust particles, not airway damage and mucus buildup. Choice D, asthma, is a chronic condition characterized by airway inflammation and narrowing, leading to breathing difficulties, but it does not involve the widening and damage of the airways as seen in bronchiectasis.
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