ATI RN
Cardiovascular System Practice Exam
1. The client is receiving digoxin and complains of nausea. What is the nurse’s priority action?
- A. Check the client’s digoxin level.
- B. Continue the current dose of digoxin.
- C. Administer an antiemetic for nausea.
- D. Discontinue the digoxin immediately.
Correct answer: A
Rationale: The correct answer is to check the client’s digoxin level (Choice A). Nausea can be a sign of digoxin toxicity, so assessing the digoxin level is crucial to determine if the medication dosage needs adjustment. Continuing the current dose of digoxin (Choice B) may worsen the symptoms if toxicity is present. Administering an antiemetic (Choice C) may provide temporary relief but does not address the underlying issue of digoxin toxicity. Discontinuing digoxin immediately (Choice D) without assessing the digoxin level can be harmful if the medication is within the therapeutic range.
2. What type of medication is used to relax the muscles around the airways and improve breathing in conditions like asthma and COPD?
- A. Bronchodilator
- B. Corticosteroid
- C. Mucolytic
- D. Antihistamine
Correct answer: A
Rationale: Bronchodilators are medications that relax the muscles around the airways, improving airflow and making breathing easier for patients with asthma or COPD. Corticosteroids are anti-inflammatory drugs used to reduce airway inflammation, while mucolytics help in thinning and clearing mucus. Antihistamines are used to treat allergies and not specifically to improve breathing in conditions like asthma or COPD.
3. What condition involves a weakened and bulging aorta, the main artery in the body, potentially leading to rupture?
- A. Aortic aneurysm
- B. Arterial stenosis
- C. Pulmonary embolism
- D. Deep vein thrombosis
Correct answer: A
Rationale: An aortic aneurysm is a condition characterized by the weakening and bulging of the aorta, the body's main artery. If left untreated, this bulging may lead to a rupture, causing severe complications. Arterial stenosis refers to the narrowing of an artery, not the weakening and bulging seen in an aortic aneurysm. Pulmonary embolism involves a blockage in the pulmonary artery, which is different from the weakening and bulging in an aortic aneurysm. Deep vein thrombosis is the formation of a blood clot in a deep vein, not related to the condition described in the question.
4. Which of the following is a type of heart valve disease where the aortic valve becomes narrowed, restricting blood flow from the heart to the rest of the body?
- A. Aortic stenosis
- B. Mitral stenosis
- C. Tricuspid regurgitation
- D. Pulmonary hypertension
Correct answer: A
Rationale: The correct answer is Aortic stenosis. In aortic stenosis, the aortic valve becomes narrowed, which obstructs the blood flow from the heart to the rest of the body. This condition can lead to symptoms like chest pain, shortness of breath, and fainting. Mitral stenosis (choice B) involves narrowing of the mitral valve, not the aortic valve. Tricuspid regurgitation (choice C) is a condition where the tricuspid valve leaks, causing blood to flow backward in the heart. Pulmonary hypertension (choice D) is high blood pressure in the arteries of the lungs.
5. The client on amiodarone reports shortness of breath. What is the nurse’s best response?
- A. Notify the healthcare provider immediately.
- B. Reassure the client that this is a common side effect.
- C. Instruct the client to monitor their symptoms at home.
- D. Suggest the client reduce physical activity.
Correct answer: A
Rationale: When a client on amiodarone reports shortness of breath, it can be indicative of pulmonary toxicity, a severe side effect associated with this medication. The nurse's priority is to notify the healthcare provider immediately to assess the situation and determine the appropriate course of action. Choice B is incorrect because shortness of breath with amiodarone should not be dismissed as a common side effect. Instructing the client to monitor symptoms at home (Choice C) may delay necessary intervention. Suggesting the client reduce physical activity (Choice D) does not address the potential serious nature of the symptom and the need for prompt evaluation.
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