Ryan's Knee Was Injured in a Basketball Game

question 29

Multiple Choice

Ryan's knee was injured in a basketball game. When he gets home he notices swelling, redness, heat, and pain in his knee. What is causing the redness?

• A)accumulation of fluid at the site of the injury
• B)dilation of small blood vessels in the injured area
• C)the release of chemical mediators
• D)edema within the damaged tissues

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Definitions:

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An agency established by the United States government in 1865 to aid freed slaves during the Reconstruction era by providing food, housing, education, and legal assistance.