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Questions and Answers
What is the composition of atheromatous plaques?
What is the composition of atheromatous plaques?
- Cells including variable numbers of SMCs, macrophages, and T lymphocytes (correct)
- Calcifications in later stage plaques
- Elastic fibers, and proteoglycans
- Intracellular and extracellular lipids
What is the morphological characteristic of a fatty streak?
What is the morphological characteristic of a fatty streak?
- Multiple yellow, fat spots less than 1mm in diameter (correct)
- Intimal thickening and lipid accumulation
- White to yellow raised lesions
- Soft, yellow, consists of cholesterol & cholesterol esters
What causes a red-brown color in ulcerated plaques with superimposed thrombus?
What causes a red-brown color in ulcerated plaques with superimposed thrombus?
- Intracellular and extracellular lipids
- Proteoglycans
- Thrombosis (correct)
- Cholesterol & cholesterol esters
Which component of atherosclerotic plaques is responsible for tissue infarction?
Which component of atherosclerotic plaques is responsible for tissue infarction?
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What triggers thrombosis leading to partial or complete vascular obstruction?
What triggers thrombosis leading to partial or complete vascular obstruction?
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