this is a type of lung cancer that is strongly associated with exposure to asbestos
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Nursing Elites

ATI RN

Cardiovascular System Exam Questions

1. Which type of lung cancer is strongly associated with exposure to asbestos?

Correct answer: A

Rationale: The correct answer is Mesothelioma. This type of lung cancer is indeed strongly associated with exposure to asbestos, affecting the lining of the lungs or abdomen. Adenocarcinoma, Squamous cell carcinoma, and Small cell lung cancer are not primarily linked to asbestos exposure, making them incorrect choices for this question.

2. What is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium?

Correct answer: A

Rationale: Mitral regurgitation is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium. This can result in symptoms like shortness of breath and fatigue. Choices B, C, and D are incorrect because aortic stenosis, tricuspid regurgitation, and pulmonary hypertension involve different heart valves or conditions, not the mitral valve specifically.

3. Which condition is characterized by the right ventricle of the heart failing due to increased pressure in the lungs, often caused by chronic lung disease?

Correct answer: A

Rationale: The correct answer is Cor pulmonale, a condition where the right ventricle of the heart fails due to increased pressure in the lungs, commonly caused by chronic lung diseases like COPD. Pulmonary embolism (choice B) is a blockage in one of the pulmonary arteries in the lungs, usually caused by a blood clot. Aortic stenosis (choice C) is a narrowing of the aortic valve opening that restricts blood flow from the left ventricle to the aorta. Hypertrophic cardiomyopathy (choice D) is a genetic condition where the heart muscle becomes abnormally thick, making it harder for the heart to pump blood.

4. Which of the following is a rare but serious condition where the pulmonary arteries become narrowed, increasing the blood pressure in the lungs?

Correct answer: A

Rationale: The correct answer is A, Pulmonary hypertension. Pulmonary hypertension is a rare but serious condition characterized by high blood pressure in the arteries of the lungs, which can lead to heart failure. Pulmonary embolism (choice B) involves a blockage in one of the pulmonary arteries in the lungs. Pulmonary fibrosis (choice C) is a lung disease that causes lung tissue scarring. Aortic stenosis (choice D) is a condition where the aortic valve narrows, affecting blood flow from the heart.

5. What are the pressure-sensitive structures located in the aortic and carotid bodies called?

Correct answer: A

Rationale: Baroreceptors are the correct answer. Baroreceptors are specialized sensory receptors that detect changes in pressure within blood vessels. They are primarily located in the aortic arch and carotid sinuses, where they play a crucial role in regulating blood pressure. Chemoreceptors (Choice B) are receptors that detect chemical changes, not pressure changes. Nociceptors (Choice C) are responsible for detecting painful stimuli. Mechanoreceptors (Choice D) respond to mechanical stimuli such as touch, pressure, and vibration, but they are not specifically located in the aortic and carotid bodies.

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