Solved UPSC CDS/OTA Question
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Q · Nervous SystemMedium · 45s
What is the primary function of the myelin sheath?
TopicNervous System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The myelin sheath acts as an insulating layer around axons, allowing electrical impulses to travel faster along the nerve.
Final Answer: Option C - To increase the speed of nerve impulse transmission