All of the following cranial nerves contains somatic efferents except-
GSE(General somatic efferents ) SVE (Special visceral efferents) most of skeletal muscles except pharyngeal arch muscles eyeball : cranial nerves III, IV, VI tongue : cranial nerve XII most of pharyngeal arch muscles 1st arch- mandibular branch of 5th cranial nerve- muscles of mastication 2nd arch- cr. nerve VII- ms of facial expression 3rd, 4th, 6th arch- cr. nerve IX,X,XI and nucleus ambiguus- muscles of palate, pharynx, larynx of speech and swallowing. Thus cranial nerve III, IV VI contain somatic efferents and cranial nerve VII contains special visceral efferents.
7th nerve
12th nerve
4th nerve
6th nerve
Brainstem lesions and blood supply of CNS