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. This is the inflammation of the heart's inner lining, usually caused by an infection.
- A. Endocarditis
- B. Myocarditis
- C. Pericarditis
- D. Valvulitis
Correct answer: A
Rationale: Endocarditis is the inflammation of the inner lining of the heart's chambers and valves, usually caused by a bacterial infection. Myocarditis is the inflammation of the heart muscle, Pericarditis is the inflammation of the pericardium (the outer lining of the heart), and Valvulitis is the inflammation of the heart valves. Therefore, in this case, the correct answer is Endocarditis as it specifically refers to the inflammation of the heart's inner lining.
3. What term describes a condition where a person experiences difficulty breathing when lying flat and requires multiple pillows to sleep comfortably?
- A. Orthopnea
- B. Dyspnea
- C. Tachypnea
- D. Bradypnea
Correct answer: A
Rationale: The correct answer is A, Orthopnea. Orthopnea is a condition where a person finds it hard to breathe while lying flat and needs to use multiple pillows to sleep comfortably. This position helps relieve the discomfort by allowing better lung expansion. Choice B, Dyspnea, refers to difficulty breathing in general, not specifically related to lying flat. Choice C, Tachypnea, is rapid breathing and is not directly related to difficulty breathing while lying down. Choice D, Bradypnea, is slow breathing and does not describe the condition of having trouble breathing when lying flat.
4. What test measures the oxygen level in the blood, often used to monitor patients with respiratory or cardiovascular conditions?
- A. Pulse oximetry
- B. Arterial blood gas (ABG)
- C. Echocardiogram
- D. Chest X-ray
Correct answer: A
Rationale: The correct answer is A, Pulse oximetry. Pulse oximetry is a non-invasive test that measures the oxygen saturation level in the blood, commonly used to monitor respiratory and cardiovascular health. Arterial blood gas (ABG) measures the levels of oxygen and carbon dioxide in the blood, providing more detailed information than pulse oximetry. Echocardiogram is an ultrasound test used to visualize the heart's structure and function, while a chest X-ray is used to visualize the structures in the chest, such as the heart, lungs, and bones.
5. What is a blood clot that forms in a vein, often in the legs, and can cause serious complications if it travels to the lungs?
- A. Deep vein thrombosis (DVT)
- B. Pulmonary embolism
- C. Varicose veins
- D. Atherosclerosis
Correct answer: A
Rationale: The correct answer is Deep vein thrombosis (DVT). DVT is a blood clot that forms in a deep vein, typically in the legs, and can lead to serious complications if it breaks loose and travels to the lungs, causing a pulmonary embolism. Varicose veins (choice C) are enlarged, twisted veins usually found in the legs but are not related to blood clots. Atherosclerosis (choice D) is a condition where arteries become narrowed and hardened due to a buildup of plaque, not directly related to blood clots.
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