51D. If CN injured the articular cartilage on the talus, the damage could be per

Question

51D.

If CN injured the articular cartilage on the talus, the damage could be permanent. What prevents cartilage from healing well?

a. The damaged articular cartilage cannot secrete adequate amounts of synovial fluid which provides nutrients for healing. b. The blood vessels that supply the articular cartilage were destroyed by the injury and can no longer supply the tissue. c. The fibrocartilage that makes up the articular cartilage forms significant scar tissue after an injury instead of regenerating. d. Articular cartilage is avascular, which prevents it from regenerating after a joint injury.

Explanation / Answer

d.articular cartilage is devoid of blood supply. that prevents from regeneration.

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