A 55 year old woman with a 30 year history of rheumatoid arthritis comes to the physician because of swallowing and pain in her left knee for 2 days. her temperature is 37.8 degrees celcius( 100 F). Physical examination shows a warm, swollen left knee with limited range of motion. Examination of aspirated fluid from the left knee shows turbid fluid, decreased glucose concentration, and increased concentrations of segmented neutrophils, protein , and interleukin-8(IL-8). Which of the following best describes the role of IL-8 in this patients knee condition.
(34) A 55 year old woman with a 30 year history of rheumatoid arthritis comes to the physician because of swallowing and pain in her left knee for 2 days. her temperature is 37.8 degrees celcius( 100 F). Physical examination shows a warm, swollen left knee with limited range of motion. Examination of aspirated fluid from the left knee shows turbid fluid, decreased glucose concentration, and increased concentrations of segmented neutrophils, protein , and interleukin-8(IL-8). Which of the following best describes the role of IL-8 in this patients knee condition. (A) Inhibition of neutrophil activation. (B) Initiation of apoptosis target cells. (C) promotion of B-lymphocyte proliferation. (D) Promotion of complement activation. (E) Promotion of neutrophil migration. (F) Stimulation of differentiation of eosinophils
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