MULTIPLE SCLEROSIS

POST-TEST. 1. Multiple sclerosis is a disease that affects the: a. liver. *b. nervous system. c. heart. d. lungs. 2. Multiple sclerosis causes: *a. damage to the myelin sheaths of the nerve fibers. b. damage to bronchial passage of the lungs. c. damage to arteries and capillaries. d. … ................
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