Ch 14 Cranial Nerves For Lab Exam Flashcards
Cranial nerve that are pure sensory
One and two
100% sensory nerve
Uses the curbiform plate as a pathway from the nasal cavity to the brain
Smell
Cranial nerve 1
Olfactory
Cranial nerve 1
Cranial nerve that passes through the optic foramen
A hole in your eye socket
Vision
Cranial nerve 2
Optic cranial nerve
Cranial nerve 2
predominantly motor
Eye movement
Opens eyes
Constriction of the pupils
Ability to focus
Cranial nerve 3
Cranial nerve that passes through the superior orbital fissure
Cranial nerve 3
OCCulomotor
Cranial nerve 3
Trochlear
Cranial nerve 4
Predominantly motor
Eye movement
Passes through the superior orbital fissure
Cranial nerve 4.
Trigeminal
Cranial nerve 5
Largest cranial nerve
Trigeminal
Composed of ophthalamic sensory branch
Provides sensation to the upper face
Passes through the superior orbital fissure
Cranial nerve 5
Composed of the maxillary division
A sensory Branch to the lower part of the face
Passes through the infraorbital foramen
Cranial nerve 5
Composed of the mandibular division
Mixed with both sensory to anterior 2/3 of tongue
Lower teeth and gums
Motor supplies the muscles of the jaw
Passes through the foramen ovale
A hole on the underneath side of the skull
Cranial nerve 5
Abducens
Cranial nerve 6
Predominantly motor controls eye movement
Passes through the superior orbital fissure
Cranial nerve 6
Facial
Cranial nerve 7
Mixed passes through the stylomastoid foramen
Sensory functions include Supplies the muscles of the facial expression and salivary glands
Motor functions include tear glands
Allows crying and sense of taste
Cranial nerve 7
Vestibulaocochlear
Auditory
Cranial nerve 8
Predominantly sensory for hearing in equilibrium
Passes through the acoustic meatus
Has balance portion and hearing portion
Cranial nerve 8
Glossopharyngineal
Cranial nerve 9
Mixed nerve
Passes through the jugular foramen to get to the brain
Motor functions include muscles of swallowing
Regulating, BP and respirations
Sensory functions include detecting pain and touch of outer ear and tongue
Cranial nerve 9
Vagus
Cranial nerve 10
Mixed nerve passes through the jugular foramen
Motor functions include all thoracic and abdominal organs
Sensory functions include detecting pain in all thoracic and abdominal organs
If this nerve is cut, you cannot breathe on your own
Cranial nerve 10
Spinal accessory nerve
Cranial nerve 11
Predominantly motor supplies, the muscles of swallowing and two skeletal muscles
The two skeletal muscles are the sternocleidomastoid and the trapezius
Passes through the jugular foramen
Cranial nerve 11
Hypoglossal
Cranial nerve 12
Prominent predominantly motor allows for speech, eating and swallowing
And movement of the tongue
Cranial nerve 12