This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demyelinating disorder, Subject name: Medicine
Which of the following statement is false with respect to demyelinating disorders? 
Select and explain. 
A. Increase in blood brain barrier permeability, B. More common in females, C. Involves biochemical abnormality of myelin, D. Multiple Sclerosis is MC type of demyelinating disorder.
C: Involves biochemical abnormality of myelin
Answer: C: Involves biochemical abnormality of myelin 
Explanation: Diseases involving biochemical abnormality of myelin are k/a dysmyelinating disorders Eg. Zellweger syndrome, Adult-onset autosomal dominant leukodystrophy MS( Multiple Sclerosis) MC type of demyelinating, chronic inflammatory disorder. | in blood brain barrier permeability ( damage by immune system). More common in females than male.