Physiology Group B nerve fibres area) Sympathetic preganglionicb) Sympathetic postganglionicc) Parasympathetic preganglionicd) Parasympathetic post ganglionic A a B bc C ac D b 💡 Explanation Group B nerve fibres area) Sympathetic preganglionicb) Sympathetic postganglionicc) Parasympathetic preganglionicd) Parasympathetic post ganglionic ✓ Correct Answer: C. ac