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Questions and Answers
What is the typical degree of occlusion at which chronic occlusion limits flow in the coronary artery?
What is the typical degree of occlusion at which chronic occlusion limits flow in the coronary artery?
- 60%
- 80%
- 70% (correct)
- 50%
Which factor contributes to the weakening of plaque integrity, making it unable to resist vascular shear forces?
Which factor contributes to the weakening of plaque integrity, making it unable to resist vascular shear forces?
- Increased number of smooth muscle cells
- Presence of foam cells (correct)
- High blood cholesterol levels
- Reduced inflammatory cell clusters
What is the consequence of partial or complete vascular obstruction triggered by plaque erosion or rupture?
What is the consequence of partial or complete vascular obstruction triggered by plaque erosion or rupture?
- Tissue infarction (correct)
- Lower plaque volume
- Increased blood flow
- Reduced cardiac demand
Which term is used to describe plaques that contain large numbers of foam cells and abundant extracellular lipids?
Which term is used to describe plaques that contain large numbers of foam cells and abundant extracellular lipids?
What causes chest pain in patients with stable angina during modest exertion?
What causes chest pain in patients with stable angina during modest exertion?
Which type of plaques are at high risk of rupturing due to having thin fibrous caps with few smooth muscle cells?
Which type of plaques are at high risk of rupturing due to having thin fibrous caps with few smooth muscle cells?
Which arteries are most commonly affected by atherosclerosis?
Which arteries are most commonly affected by atherosclerosis?
What are the major clinical consequences of atherosclerosis mentioned in the text?
What are the major clinical consequences of atherosclerosis mentioned in the text?
What factors determine the principal pathophysiologic outcome of atherosclerotic lesions?
What factors determine the principal pathophysiologic outcome of atherosclerotic lesions?
What process is mentioned in the text that initially preserves the luminal diameter of the affected vessel?
What process is mentioned in the text that initially preserves the luminal diameter of the affected vessel?
What happens when the limits of remodeling are reached?
What happens when the limits of remodeling are reached?
Which of the following is NOT a sign or symptom of atherosclerosis mentioned in the text?
Which of the following is NOT a sign or symptom of atherosclerosis mentioned in the text?
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