ATI RN
Cardiovascular System Exam Questions And Answers
1. What is a chronic condition where the bronchial tubes in the lungs become inflamed and narrowed, often caused by smoking?
- A. Chronic bronchitis
- B. Emphysema
- C. Asthma
- D. Tuberculosis
Correct answer: A
Rationale: Chronic bronchitis is the correct answer because it is a long-term condition characterized by inflammation and narrowing of the bronchial tubes in the lungs, commonly triggered by smoking. Emphysema involves damage to the air sacs in the lungs, not specifically the bronchial tubes. Asthma is a condition of reversible airway obstruction usually due to allergies or other triggers, not solely smoking. Tuberculosis is a bacterial infection that primarily affects the lungs but is not directly related to inflammation and narrowing of the bronchial tubes.
2. Which chronic respiratory condition is characterized by the narrowing and inflammation of the airways, leading to difficulty breathing?
- A. Asthma
- B. COPD
- C. Bronchitis
- D. Pneumonia
Correct answer: A
Rationale: Asthma is the correct answer. It is a chronic respiratory condition where the airways become inflamed and narrowed, leading to episodes of wheezing, breathlessness, chest tightness, and coughing. Asthma is characterized by reversible airflow obstruction, differentiating it from COPD, which involves irreversible airflow limitation. Bronchitis is an inflammation of the bronchial tubes without the same reversible airflow obstruction seen in asthma. Pneumonia is an infection of the lung tissue and does not involve chronic inflammation and narrowing of the airways like asthma.
3. The client on amiodarone develops symptoms of hypothyroidism. What is the nurse’s best response?
- A. Notify the healthcare provider immediately.
- B. Reassure the client that this is a common side effect of amiodarone.
- C. Monitor the client’s thyroid function tests regularly.
- D. Discontinue the amiodarone immediately.
Correct answer: C
Rationale: When a client on amiodarone develops symptoms of hypothyroidism, the nurse's best response is to monitor the client's thyroid function tests regularly. Amiodarone can affect thyroid function, so monitoring is essential to assess the impact and adjust treatment if necessary. Notifying the healthcare provider immediately (Choice A) may be necessary in some cases but the priority is to monitor first. Reassuring the client (Choice B) is not sufficient as monitoring is crucial. Discontinuing amiodarone (Choice D) abruptly without healthcare provider guidance can lead to serious consequences.
4. The client is receiving intravenous dopamine. What is the most important nursing assessment?
- A. Monitor heart rate and rhythm
- B. Monitor blood pressure
- C. Monitor respiratory rate
- D. Monitor oxygen saturation
Correct answer: A
Rationale: The correct answer is to monitor heart rate and rhythm when a client is receiving intravenous dopamine. Dopamine is known to potentially cause arrhythmias, making this assessment crucial. While monitoring blood pressure, respiratory rate, and oxygen saturation are important nursing assessments, they are not the most critical when dopamine is being administered.
5. The client on a beta blocker has a blood pressure of 88/58 mm Hg. What is the nurse’s priority action?
- A. Hold the beta blocker and notify the healthcare provider.
- B. Administer the beta blocker as ordered.
- C. Increase the dose of the beta blocker.
- D. Continue to monitor the client and reassess in 30 minutes.
Correct answer: A
Rationale: The correct action for the nurse to take when a client on a beta blocker presents with a blood pressure of 88/58 mm Hg is to hold the beta blocker and notify the healthcare provider. Beta blockers can further decrease blood pressure, which is already low in this case. Administering the beta blocker as ordered (Choice B) would exacerbate the hypotension. Increasing the dose of the beta blocker (Choice C) would be inappropriate and unsafe given the low blood pressure. Continuing to monitor the client and reassessing in 30 minutes (Choice D) could lead to a delay in necessary intervention. Therefore, the priority is to hold the medication and seek guidance from the healthcare provider.
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