Cardiac Sympathetic T1-T5 — FRCA Primary MCQ

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ModerateAnatomyCardiac Sympathetic T1-T5FRCA Primary

Cardiac sympathetic accelerator fibres originate from spinal segments:

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Correct answer: C — T1-T5

Cardiac sympathetic fibres arise from T1-T5. Preganglionic fibres synapse in cervical and upper thoracic ganglia. Postganglionic fibres travel as cardiac nerves. Parasympathetic innervation is via the vagus nerve.

Reference: RCoA 2021 Primary FRCA Curriculum