Cranial Nerves 1-6

Hide All  Show All  Shuffle    Help   Cranial Nerve Type Innervation Fxn Origin Exits Skull Test for Lesion 1 - Olfactory   sensory   nasal cavity   smell   telencephalon   cribiform plate (ethmoid bone)/ ACF   lack of smell   2- Optic   sensory   orbit   sight   diencephalon   optic canal/ MCF   lack of sight   3- Occulomotor   motor and parasympathetic   orbit   motor- raises eyelids and adducts eye. parasymp- contricts pupil and accomodates eye   midbrain (edinger-westphal nucleus)   superior orbital fissure/ MCF   cannot adduct eye   4- Trochlear   motor   orbit   depresses and abducts eye, intorts eye   midbrain (trochlear nucleus)   superior orbital fissure/ MCF   cannot intort eye   V1- Ophthalmic (trigeminal)   sensory   orbit, scalp   sensory of forehead, scalp, cornea   pons   superior orbital fissure/ MCF   lack of sensory to forehead   V2- Maxillary (trigeminal)   sensory   pterygopalatine fossa   sensations of maxillary face, maxillary teeth, nasal cavity and palate   pons   foramen rotundum/ MCF   lack of sensation to maxilla/ nasal cavity   V3- Mandible (trigeminal)   sensory/ motor   infratemporal fossa   sensory- mandible, mandibular teeth, general sensation of anterior 2/3 tongue. motor- muscles of mastication, tensor muscles of neck/face   pons   foramen ovale/ MCF   inability to chew food/ feel touch on tongue   6- Abducent   motor   orbit   abduct the eye   pons   superior orbital fissure/ MCF   cannot horizontally gaze   Hide All  Show All  Shuffle Notes Flashcards StudyStack Study Table Matching Hangman Crossword Unscramble Type In Bug Match Targets Export Print Edit Email Hmm...