ATI RN
Cardiovascular System Exam Questions And Answers
1. What condition is characterized by the inflammation of the pleura, causing sharp chest pain that worsens with breathing?
- A. Pleurisy
- B. Pericarditis
- C. Endocarditis
- D. Myocarditis
Correct answer: A
Rationale: The correct answer is Pleurisy. Pleurisy is the inflammation of the pleura, the lining surrounding the lungs, which causes sharp chest pain that worsens with breathing. Pericarditis (choice B) is the inflammation of the pericardium, the sac around the heart, which typically causes chest pain that worsens when lying down. Endocarditis (choice C) is the inflammation of the inner lining of the heart chambers and valves, leading to symptoms like fever, fatigue, and abnormal heart sounds. Myocarditis (choice D) is inflammation of the heart muscle, which can cause symptoms such as chest pain, fatigue, and shortness of breath.
2. This is a type of therapy that involves removing fluid from the lungs, typically through the use of diuretics.
- A. Diuretic therapy
- B. Oxygen therapy
- C. Inhaler therapy
- D. Antihistamine therapy
Correct answer: A
Rationale: The correct answer is A: Diuretic therapy. Diuretic therapy involves the use of medications that help remove excess fluid from the body, often used to treat conditions like pulmonary edema. Choice B, Oxygen therapy, is used to provide oxygen to patients with breathing difficulties but does not involve removing fluid from the lungs. Choice C, Inhaler therapy, is used to deliver medication directly to the lungs to help with respiratory conditions but does not focus on removing fluid. Choice D, Antihistamine therapy, is used to treat allergies by blocking histamine but is not related to removing fluid from the lungs.
3. What is the condition where the lungs become filled with fluid, often due to heart failure, making it difficult to breathe?
- A. Pulmonary edema
- B. Pleural effusion
- C. Pulmonary hypertension
- D. Pneumothorax
Correct answer: A
Rationale: Pulmonary edema is the correct answer. It occurs when fluid fills the lungs, usually due to heart failure, leading to breathing difficulties. Pleural effusion is the accumulation of fluid around the lungs, not inside. Pulmonary hypertension is high blood pressure in the arteries of the lungs, and pneumothorax is the presence of air between the lung and chest wall.
4. Which test measures how much and how quickly you can move air out of your lungs?
- A. Spirometry
- B. Peak flow meter
- C. Lung volume test
- D. Arterial blood gas
Correct answer: A
Rationale: The correct answer is A, Spirometry. Spirometry is a common pulmonary function test that measures lung function by assessing the amount (volume) and speed (flow) of air that can be inhaled and exhaled. This test helps in diagnosing conditions like asthma, chronic obstructive pulmonary disease (COPD), and other lung diseases. Peak flow meter (choice B) measures the maximum speed at which a person can exhale air, mainly used in asthma management. Lung volume test (choice C) evaluates the total amount of air the lungs can hold. Arterial blood gas (choice D) measures the levels of oxygen and carbon dioxide in the blood, providing information on how well the lungs are functioning in gas exchange, but it does not specifically measure the amount and speed of air movement in and out of the lungs like spirometry does.
5. 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.
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