Which of the following statements correctly describes the pathway of white and grey rami in the chain ganglia?
1) White rami and grey rami are at the same level inside the chain ganglia, with a loop
2) White rami go up to another rami level, then do the synapse in another vertebral level before turning into a grey rami
3) White rami go straight through the chain ganglia, then synapse really far away (collateral) ganglia
4) None of the above