ATI RN
Cardiovascular System Exam Questions
1. What is a condition where the blood flow to the brain is temporarily blocked, often referred to as a mini-stroke?
- A. Transient ischemic attack (TIA)
- B. Stroke
- C. Aneurysm
- D. Myocardial infarction
Correct answer: A
Rationale: A transient ischemic attack (TIA) is the correct answer. A TIA is often referred to as a mini-stroke because it is caused by a temporary blockage of blood flow to the brain. This blockage resolves on its own, typically within minutes to hours, leading to temporary symptoms similar to a stroke. Option B, 'Stroke,' is incorrect because a stroke involves a more prolonged interruption of blood flow to the brain. Option C, 'Aneurysm,' is incorrect as it is a bulge in a blood vessel that can rupture and cause bleeding, not a temporary blockage of blood flow. Option D, 'Myocardial infarction,' is also incorrect as it refers to a heart attack, not a condition involving the brain's blood flow.
2. What is the condition where a blood clot blocks an artery in the lungs, causing shortness of breath, chest pain, and other symptoms?
- A. Pulmonary embolism
- B. Pneumothorax
- C. Pleural effusion
- D. Aneurysm
Correct answer: A
Rationale: The correct answer is Pulmonary embolism. Pulmonary embolism occurs when a blood clot blocks an artery in the lungs, leading to symptoms like shortness of breath and chest pain. This condition is life-threatening and requires prompt treatment. Choices B, C, and D are incorrect as they refer to different medical conditions: Pneumothorax is a collapsed lung, Pleural effusion is an abnormal accumulation of fluid around the lungs, and an Aneurysm is a bulge in a blood vessel.
3. The nurse is preparing to administer a beta blocker to a client with hypertension. What is the priority assessment?
- A. Check the client's heart rate.
- B. Check the client's blood pressure.
- C. Check the client's respiratory rate.
- D. Check the client's temperature.
Correct answer: B
Rationale: The correct answer is to check the client's blood pressure. Before administering a beta blocker to a client with hypertension, assessing the blood pressure is crucial because beta blockers can cause hypotension, potentially leading to adverse effects. Checking the heart rate may also be important but is secondary to monitoring the blood pressure in this scenario. Respiratory rate and temperature assessments are not directly related to assessing the client's response to a beta blocker in hypertension management, making choices C and D less relevant.
4. Which type of medication helps to lower cholesterol levels in the blood?
- A. Statins
- B. Beta-blockers
- C. ACE inhibitors
- D. Diuretics
Correct answer: A
Rationale: Statins are a type of medication specifically designed to lower cholesterol levels in the blood by inhibiting an enzyme involved in cholesterol production. Beta-blockers are mainly used to treat conditions like high blood pressure and heart problems by reducing the heart rate and workload. ACE inhibitors are used to manage conditions like high blood pressure and heart failure by relaxing blood vessels. Diuretics are medications that help the body get rid of excess salt and water by increasing urine production. Therefore, in the context of lowering cholesterol levels, statins are the most appropriate choice.
5. This is a type of lung disease that results from the inhalation of certain dusts, often in the workplace, leading to lung damage.
- A. Pneumoconiosis
- B. Asbestosis
- C. Silicosis
- D. Anthracosis
Correct answer: A
Rationale: Pneumoconiosis is the correct answer. It is a lung disease caused by inhaling certain types of dust, commonly in a workplace setting, resulting in lung damage. Asbestosis (choice B) is a specific type of pneumoconiosis caused by asbestos fibers. Silicosis (choice C) is another type of pneumoconiosis caused by inhaling crystalline silica dust. Anthracosis (choice D) is a condition characterized by the accumulation of coal dust particles in the lungs, not necessarily resulting in lung damage.
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