Sympathetic preganglionic neurones

A. Release the neurotransmitter acetylcholine

B. Have shorter preganglionic fibres than their parasympathetic counterparts

C. Originate in the spinal cord between the levels of the first thoracic and second of third lumbar vertebrae

D. All of the above are correct

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D. All of the above are correct

Content adapted from ClinicalKey Student question bank

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