This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Multiple Sclerosis is 
Select and explain. 
A. Toxic disorder, B. Infectious disorder, C. Degenerative disorder, D. Demylinating disorder
D: Demylinating disorder
Answer: D: Demylinating disorder 
Explanation: (D) Demylinating disorder > Multiple sclerosis (MS) is characterized by a triad of inflammation, demyelination, and gliosis (scarring); the course can be relapsing-remitting or progressive. Lesions of MS are typically disseminated in time and location.