Also available on bb) and select the correct statements below: (Select all that

Question

Also available on bb) and select the correct statements below: (Select all that apply) A. Atherosclerosis involves the deposition of plaque between the tunica externa and the tunica media of the arteries B. Foam cells are WBCs that have engulfed LDL cholesterol C. Smooth muscle cells may migrate into the plaque from the tunica media D. A stable plaque can narrow the lumen of a blood vessel E. If a plaque ruptures, a thrombus may develop overtop of the area to further impede blood flow through the vessel F. Atherosclerosis can result in ischemia to the legs, brain, heart, kidneys

Explanation / Answer

All are correct except A. Atherosclerosis occurs in the tunica intima. Foam cells are macrophages ( Type of WBC) with LDL cholesterol. Smooth muscle cells migrate in response to cytokines from tunica media. Plaque narrows the lumen. Plaque impedes blood flow and causes ischemia to legs, brain and kidneys.

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