ATI RN
Cardiovascular System Exam Questions Pdf
1. What is a condition where the blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients?
- A. Stroke
- B. Heart attack
- C. Pulmonary embolism
- D. Pneumonia
Correct answer: A
Rationale: A stroke occurs when the blood supply to part of the brain is interrupted or reduced, leading to brain cell death and potential disability. Choice B, a heart attack, involves a blockage in the blood vessels that supply the heart muscle. Choice C, a pulmonary embolism, is a blockage in one of the pulmonary arteries in the lungs. Choice D, pneumonia, is an infection that inflames the air sacs in one or both lungs.
2. What condition involves the heart's electrical system malfunctioning, causing very fast heartbeats originating from the ventricles?
- A. Ventricular tachycardia
- B. Atrial fibrillation
- C. Supraventricular tachycardia
- D. Bradycardia
Correct answer: A
Rationale: Ventricular tachycardia is the correct answer. It is a condition characterized by the heart's electrical system malfunctioning, leading to very fast heartbeats originating from the ventricles. Ventricular tachycardia can be life-threatening as it may progress to ventricular fibrillation, causing cardiac arrest. Atrial fibrillation (choice B) involves rapid, irregular beating of the atria, not the ventricles. Supraventricular tachycardia (choice C) originates above the ventricles and does not involve ventricular malfunction. Bradycardia (choice D) is the opposite of tachycardia, characterized by an abnormally slow heart rate.
3. The client is on nitroglycerin and reports chest pain. What is the nurse’s priority action?
- A. Administer nitroglycerin as ordered.
- B. Administer morphine as ordered.
- C. Administer aspirin as ordered.
- D. Notify the healthcare provider immediately.
Correct answer: D
Rationale: The correct answer is D: Notify the healthcare provider immediately. If a client on nitroglycerin reports chest pain, the priority action is to notify the healthcare provider immediately. This is crucial to ensure prompt reassessment of the client's condition and treatment plan. Administering nitroglycerin, morphine, or aspirin without consulting the healthcare provider first can be risky as the chest pain may indicate a need for a change in treatment or further evaluation. Administering medications without proper assessment and guidance can lead to complications and is not recommended in this scenario.
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. Which condition is characterized by a chronic cough that produces mucus, often caused by long-term exposure to irritants?
- A. Chronic bronchitis
- B. Tuberculosis
- C. Asthma
- D. Sinusitis
Correct answer: A
Rationale: Chronic bronchitis is the correct answer. It is characterized by a long-term cough with mucus production, often caused by smoking or prolonged exposure to irritants. Tuberculosis (choice B) is a bacterial infection that primarily affects the lungs but does not usually present with a chronic cough as the main symptom. Asthma (choice C) is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to wheezing and shortness of breath, but it does not typically cause chronic mucus production. Sinusitis (choice D) is inflammation of the sinuses and presents with symptoms like facial pain, nasal congestion, and post-nasal drip, but not specifically a chronic cough with mucus production.
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