[Solved] Which of the following statements about myelin sheath is correct? — Ans: It protects and insulates the axon to speed up nerve impulses | General Science

General Science - Physics (Basics)

Which of the following statements about myelin sheath is correct?

AIt slows down the transmission of nerve impulses

BIt protects and insulates the axon to speed up nerve impulses

CIt is found only in sensory neurons

DIt is a part of the dendrite

Step-by-Step Solution

Step 1: Understand myelin sheath function
Myelin sheath is a fatty layer covering axons, which insulates and speeds up electrical impulse transmission.
Step 2: Analyze options
It does not slow down impulses, is not limited to sensory neurons, and is not part of dendrites.
Final Answer:
It protects and insulates the axon to speed up nerve impulses → Option B
Quick Check:
Myelin sheath function = Insulates and speeds impulses ✅

Quick Trick: Myelin sheath acts like insulation on electrical wires.

Common Mistakes:

MISTAKES

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