This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemistry of Lipids, Subject name: Biochemistry
Multiple sclerosis is characterized by a loss of which lipids: 
Select and explain. 
A. Phospholipids and sphingolipids, B. Sphingolipids and ceramide, C. Phospholipids and ceramide, D. Sphingolipids and gangliosides
A: Phospholipids and sphingolipids
Answer: A: Phospholipids and sphingolipids 
Explanation: Multiple sclerosis Demyelinating disease Loss of Phospholipids & Sphingolipids from white matter. CSF shows | phospholipid levels