What alteration occurs in injured endothelial cells that contributes to atherosc
ID: 267741 • Letter: W
Question
What alteration occurs in injured endothelial cells that contributes to atherosclerosis?
A.
They release toxic oxygen radicals that oxidize low-density lipoproteins (LDL).
B.
They are unable to make the normal amount of vasodilating cytokines.
C.
They produce an increased amount of antithrombic cytokines.
D.
They develop a hypersensitivity to homocystine and lipids.
A.
They release toxic oxygen radicals that oxidize low-density lipoproteins (LDL).
B.
They are unable to make the normal amount of vasodilating cytokines.
C.
They produce an increased amount of antithrombic cytokines.
D.
They develop a hypersensitivity to homocystine and lipids.
Explanation / Answer
What alteration occurs in injured endothelial cells that contributes to atherosclerosis?
Ans): (B) They are unable to make the normal amount of vasodilating cytokines.
Explanation: Injured endothelial cells become inflamed and cannot make normal amounts of antithrombotic and vasodilating cytokines.
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