Preganglionic sympathetic fibres are short and:
AMetabolised
BModulated
CMyelinated
DMineralised
Answer & Solution
Correct answer: C. Myelinated
1. The ganglia sit close to the cord.
2. The fibres are also insulated.
3. Preganglionic sympathetic fibers are relatively short, and they are myelinated.
4. So the answer is myelinated.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 15 'The Autonomic Nervous System'_
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