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Question

Unmyelinated nerve fibres enclosed by Schwann cells are commonly found in?

A
Central neural system
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B
Somatic neural system
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C
Sympathetic neural system
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D
Both (B) and (C)
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Solution

The correct option is D Both (B) and (C)
The myelinated nerve fibres are enveloped with Schwann cells, it form a myelin sheath around the axon.
Unmyelinated nerve fibres is enveloped by a Schwann cell that doesn't form a myelin sheath around the axon, and found in autonomous and the somatic neural systems. Sympathetic Nervous system is part of Autonomous Nervous system. Hence Option D is correct.

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