Cranial Nerve Pathway Scenarios Flashcards
smelling pizza
CN I Olfactory; sensory pathway
seeing coffee in front of you
CN II Optic Nerve; sensory pathway
your ability to bring you eyes inward
CN III Oculomotor; motor patheay
light being shined in one eye constricting both pupils
CN II and III Parasympathetic pathway for pupillary constriction
object is moving closer to you causing you to go cross-eyed
CN II and III accommodation response
your ability to move your eye to look down or laterally
CN IV trochlear nerve; motor
your ability to move you eye to laterally
CN V Abducens; motor
A fly lands on your nose
CN V Trigeminal v1 opthalamic sensory;
A fly lands on your cheeks
CN V Trigeminal v2 Maxillary sensory
A fly lands on you chin
CN V Trigeminal v3 Mandibular sensory
You want to chew your food
CN V Trigeminal v3 Mandibular; motor
Raising your eyebrows
CN VII Facial motor; BILATERAL to facial nuclei
Frowning
CN VII Facial motor; CONTRALATERAL facial nucleus
Ability to cry
CN VII Facial parasympathetic
Touching your eyeball with a Qtip
Corneal reflex with CN V and IV
Ability to hear the conversation happening next to you
CN VIII Vestibulochoclear; sensory auditory pathway
Ability to talk or swallow food using stylopharyngeous muscle
CN IX glossopharyngeal; motor
Taste and sensation of food on the posterior 1/3 of tongue
CN IX glossopharyngeal; somatosensory
afferent input from baroreceptors and chemoreceptors on the internal cartoid artery
CN IX glossopharyngeal; viscerosensory
gives us the ability to swallow and talk using pharyngeal and laryngeal muscles
CN X Vagus somatomotor
slowing down our HR, vasoconstriction of lungs, and increasing activity of digestive tract
CN X Vagus Parasympathetic pathway
reflexive cardiovascular control
CN X Vagus Viscerosensory pathway
reflex to aspire food particles
Gag reflex pathway CN IX and X
shrugging your shoulders
CN XI Spinal Accessory Nerve; motor
ability to move tongue muscles
CN XII hypoglossal; motor pathway
