Anatomy Brainstem lesions and blood supply of CNS b14b3bad Which nerves exit the pontomedullary junction? A 4,5,6 B 5,6,7 C 6,7,8 D 8,9,10 High-Yield Explanation C.N. VI,VII and VIII exits at ponto-medullary junction. most medially 6th nerve and most laterally 8th nerve.