Multiple Sclerosis (MS) questions with correct answers

True or False MS is most commonly diagnosed before the age of 20. CORRECT ANSWER-False = most commonly between 20-50 years True or False While the ratio of women developing MS is 2:1 to men, men are more likely to have a higher severity of disability CORRECT ANSWER-True True or False Prevalence of MS increases in those who live closer to the equators. CORRECT ANSWER-False = there is a link to Vitamin D levels; prevalence increases in those who live FARTHER from the the equator Outline the pathophysiology of MS. CORRECT ANSWER-Myelin sheath around CNS axons gets attacked by immune system and stripped as a result. --Inflammatory cascade response with infiltration of T cells, B cells, macropharges, antibodies, and complement --Forms a lesion around the damaged axon ("plaque") --Formation of plaques and then repair ==> ongoing and position of these plaques are related to the symptoms