Cranial Nerves and Cranial Autonomics Flashcards
what is the cranial exit for the olfactory nerve?
cribriform plate
what is the cranial exit for the optic nerve?
optic canal
what is the cranial exit for the oculomotor nerve?
superior orbital fissure
what is the cranial exit for the trochlear nerve?
superior orbital fissure
what is the cranial exit for the ophthalmic division of the trigeminal nerve?
superior orbital fissure
what is the cranial exit for the abducens nerve?
superior orbital fissure
what is the cranial exit for the maxillary division of the trigeminal nerve?
foramen rotundum
what is the cranial exit for the mandibular division of the trigeminal nerve?
foramen ovale
what is the cranial exit for the facial nerve?
internal acoustic meatus
what is the cranial exit for the vestibulocochlear nerve?
internal acoustic meatus
what is the cranial exit for the glossopharyngeal nerve?
jugular foramen
what is the cranial exit for the vagus nerve?
jugular foramen
what is the cranial exit for the spinal accessory nerve?
jugular foramen
what is the cranial exit for the hypoglossal nerve?
hypoglossal canal
what modality is the olfactory nerve?
special sensory
what modality is the optic nerve?
special sensory
what modality is the oculomotor nerve?
somatic motor and visceral motor
what modality is the trochlear nerve?
somatic motor
what modality is the trigeminal nerve?
somatic (general) sensory and somatic (branchial) motor
what modality is the abducens nerve?
somatic motor
what modality is the facial nerve?
somatic (branchial) nerve, special sensory, somatic (general) sensory, and visceral motor
what modality is the vestibulocochlear?
special sensory
what modality is the glossopharyngeal nerve?
somatic (branchial) motor, visceral motor, special sensory, somatic (general) sensory, visceral sensory
what modality is the vagus nerve?
somatic (branchial) motor, visceral motor, visceral sensory, special sensory, somatic (general) sensory
what modality is the spinal accessory nerve?
somatic motor
what modality is the hypoglossal nerve?
somatic motor
What nerve comes from the first pharyngeal arch?
trigeminal nerve
what skeletal structures come from the first pharyngeal arch?
malleus and incus
what ligaments come from the first pharyngeal arch?
anterior ligament of malleus and sphenomandibular ligament
what nerve comes from the second pharyngeal arch?
facial nerve
what skeletal structures come from the second pharyngeal arch?
stapes, styloid process, lesser Cornu or hyoid, upper part of body of hyoid bone
what ligaments come from the second pharyngeal arch?
stylohyoid ligament
what nerve comes from the third pharyngeal arch?
glossopharyngeal nerve
what skeletal structures come from the third pharyngeal arch?
greater Cornu of hyoid, lower part of body of hyoid bone
what nerve comes from the fourth and sixth pharyngeal arch?
superior and recurrent laryngeal branch of vagus nerve
what skeletal structures come from the 4th and 6th pharyngeal arch?
thyroid cartilage, cricoid cartilage, arytenoid cartilage, corniculate cartilage, and cuneiform cartilage
where do preganglionic parasympathetic fibers arise from?
nuclei in the brain stem
where do preganglionic parasympathetic fibers synapse at?
4 ganglia in the head- cilliary, pterygopalatine, otic, and submandibular
what are the preganglionic parasympathetic fibers carried by?
cranial nerves III, VII, IX, and X
all postganglionic parasympathetic fibers piggy back onto what?
a branch of the trigeminal nerve
What are the conditions caused by olfactory nerve damage?
anosmia (partial or total loss of smell)
what are the conditions caused by optic nerve damage?
anopsia (visual defects)
what are the conditions caused by oculomotor nerve damage?
ptosis (upper eyelid droop), paralysis of eye muscles, strabismus (eyes not in parallel/deviated improperly), diplopia (double vision), focusing difficulty
what are the conditions caused by trochlear nerve damage?
paralysis of superior oblique, strabismus (eyes not in parallel/deviated improperly), diplopia (double vision)
what are the conditions caused by abducens nerve damage?
paralysis of lateral rectus limits lateral movement of eye; diplopia (double vision)
what are the conditions caused by trigeminal nerve damage?
trigeminal neuralgia (tic douloureux)
