Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
VW Cranial Nerves
IS-B1-Cranial Nerves
| Question | Answer |
|---|---|
| Which bone does CN1 run through? | Ethmoid |
| Which passage does CN1 run through? | Cribriform plate |
| Where is CN II on the surface of the brain? | Lateral geniculate nucleus |
| What two structures are associated with CN II? | Optic Chiasm and Optic Tract |
| any muscles that have the name tensor in them will be innervated by what? | CN V3 |
| any muscle with the word palate in it will be innervated by what CN? | CN X |
| any muscle with glossus will be innervated by what CN? | CN XII |
| What bone does CN II run through? | Sphenoid bone |
| What passage does CN II run through? | Optic canal |
| What is the target organ for CN I? | Epithelium of nasal walls |
| What is the target organ for CN II? | Retina |
| What is the course in the cranial cavity for CN III? | interpeduncular fossa - cavernous sinus |
| What bone does CN III go through? | Sphenoid bone |
| What passage does CN III go through? | Superior Orbital Fissure |
| What parasympathetic ganglion is associated with CN III? | Ciliary Ganglion |
| What are the principal branches of CN III? | Inferior and Superior divisions |
| What are the target organs of CN III? | Extraocular muscles (excluding superior oblique and lateral rectus), ciliary body and constrictor pupillae muscles (paras) |
| What are the functions associated with CN III? | Somatic motor and parasympathetic |
| Ptosis of superior palpebrum or pupillary light reflex impairment are physical examples of a lesion on which CN? | CN III |
| Where does CN IV exit the brain? | Posterior Midbrain |
| What course does the CN IV take in the cranial cavity? | Tentorium cerebelli, cavernous sinus |
| What bone does CN IV go through? | Sphenoid Bone |
| What passage does CN IV go through? | Superior orbital fissure |
| What is the target organ for CN IV? | superior oblique muscle only |
| What is the function associated with CN IV? | Somatic motor |
| Where does CN V exit the brain? | Middle cerebellar peduncle of the pons |
| In what cranial fossa does CN V exit the brain? | Middle Cranial Fossa |
| Where does CN V1 travel besides the middle cranial fossa? | cavernous sinus |
| Through what bone do all 3 branches of the CN V pass? | Sphenoid bone |
| What passage does CN V1 go through? | Superior orbital fissure |
| What passage does CN V2 go through? | Foramen rotundum |
| What passage does CN V3 go through? | Foramen ovale |
| True or False - the CN V has a sensory ganglion associated with it? If so, what is its name? | Trigeminal Sensory Ganglion. True. |
| What are the target organs of CN V1? | orbit, eye, superior palpebrum and forehead |
| What are the target organs of CN V2? | nasal cavity, upper teeth, gingiva and cheek |
| What are the target organs of CN V3? | oral cavity, lower teeth, face, muscles of mastication |
| What are the functions of the three principle branches of CN V? | V1 and V2 are sensory only. V3 is sensory and somatic motor |
| Where does CN VI leave the brain? | Pontomedullary junction |
| What bone and passage does CN VI go through? | Sphenoid bone, superior orbital fissure |
| What target organ does CN VI innervate? | Lateral rectus muscle |
| What is the function of CN VI? | Somatic Motor |
| Where does CN VII leave the brain? | Pontomedullary junction |
| What bone and passage does CN VII go through? | temporal bone and internal auditory meatus |
| In what fossa does the CN VII go through? | Posterior Cranial Fossa |
| What extracranial course does CN VII go through? | Parotid gland and subcutaneous tissue of the face, floor of sphenoid sinus. Pterygopalatine fossa, nasal cavity and orbit. |
| What ganglions of what type belong to CN VII? | Geniculate ganglion - general sensory Pterygopalatine ganglion - parasympathetic Submandibular ganglion - parasympathetic |
| What are the principle branches of CN VII? | Greater petrosal, Nerve to stapedius, temporal, zyogmatic, buccal, marginal mandibular and cervical nerves. |
| What are the target organs of CN VII? | muscles of facial expression, lacrimal gland, tongue |
| What are the functions of CN VII? | somatic motor, parasympathetic, special sensory taste and general sensory |
| Where does the CN VIII leave the brain? | Pontomedullary junction |
| What bone and passage does the CN VIII go through? | Temporal bone, internal auditory meatus |
| What are the principle branches of the CN VIII? | vestibular and cochlear |
| What are the target organs of CN VIII? | Vestibular apparatus of inner ear, cochlea |
| WWhere does the CN IX leave the brain? | Medulla |
| What bone and passage does the CN IX go through? | Temporal bone, jugular foramen |
| Does the CN IX have a sensory or autonomic ganglion associated and if so, name them and their type. | superior and inferior sensory ganglia (general and special sensory) and Otic Ganglion - parasympathetic |
| What are the target organs of CN IX? | stylopharyngeus muscle, parotid gland, tongue, middle ear, pharyngeal wall. |
| What are the functions associated with CN IX? | somatic motor, parasympathetic, taste and general sensory |
| Where does CN X come out of the brain? | medulla |
| What bone and passage does the CN X go through? | between petrous temporal bone and occipital bone. Jugular foramen |
| Does CN X have sensory or autonomic ganglion associated and if so, name them and their type. | superior and inferior sensory ganglia (general and special sensory) and distributed parasympathetic ganglia |
| What are the target organs of the CN X? | head and neck muscles, pharyngeal and laryngeal, and organs. |
| What are the functions of CN X? | somatic motor, parasympathetic, taste, non-conscious visceral sensations. |
| Where does CN XI come out of the brain? | Trick question - it's from the spinal cord. |
| What course does CN XI take on its way into the cranium? | vertebral canal, foramen magnum and posterior cranial fossa |
| What bone and passage does the CN XI go through? | between petrous portion of temporal bone and occipital bone. Jugular foramen |
| What are the functions associated with CN XI? | somatic motor - contralateral head rotation and ipsilateral shoulder elevation |
| Where does the CN XII leave the brain? | medulla |
| What bone and passage does the CN XII go through? | occipital bone, hypoglossal canal |
| What is the target organ of the CN XII? | The tongue, genioglossus, etc. all the "glossus" muscles. |
| What is the function of the CN XII? | somatic motor |
| What is injured when the tongue deviates toward the paralyzed side upon protrusion? | CN XII |
Created by:
cherubicsiren
Popular Anatomy sets