Term
| What is the name of CN XII? |
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Definition
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Term
| What is the name of CN XI? |
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Definition
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Term
| What is the name of CN X? |
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Definition
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Term
| What is the name of CN IX? |
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Definition
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Term
| What is the name of CN VIII? |
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Definition
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Term
| What is the name of CN VII? |
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Definition
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Term
| What is the name of CN VI? |
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Definition
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Term
| What is the name of CN V? |
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Definition
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Term
| What is the name of CN IV? |
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Definition
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Term
| What is the name of CN III? |
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Definition
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Term
| What is the name of CN II? |
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Definition
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Term
| What is the name of CN I? |
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Definition
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Term
| What are the four functional components of a spinal nerve? |
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Definition
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Term
| What other functional components might cranial nerves have in addition to the four found in spinal nerves? |
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Definition
| Special visceral efferent (SVE), special visceral afferent (SVA), and special somatic afferent (SSA) |
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Term
| General somatic efferent signals innervate what structures? |
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Definition
| Motor to skeletal muscles that develop form somites |
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Term
| General visceral efferent signals innervate what structures? |
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Definition
| Motor to smooth muscle, cardiac muscle, and glands |
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Term
| General somatic afferent signals have what function? |
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Definition
| Sensory from body surface of musculoskeletal system - pain, temp, touch, position, etc. |
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Term
| General visceral afferent signals have what function? |
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Definition
| Sensory from smooth muscle, cardiac muscle, and glands |
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Term
| Special visceral efferent signals have what function? |
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Definition
| AKA branchiomotor, motor to skeletal muscles that develop from embryonic pharyngeal arches |
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Term
| Special somatic efferent signals have what function? |
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Definition
| Pertain to vision, hearing, and balance |
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Term
| Special visceral afferent signals have what function? |
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Definition
| Pertain to olfaction and taste |
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Term
| Which cranial nerves carry SVE fibers? |
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Definition
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Term
| Which cranial nerves carry SSA fibers? |
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Definition
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Term
| Which cranial nerves carry SVA fibers? |
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Definition
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Term
| Cranial nerves are classified to have functional components that pertain to what specifically? |
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Definition
| Its attachment site to the brain |
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Term
| Branches of cranial nerves are classified as having functional components that pertain to what specifically? |
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Definition
| The location of the branch itself - some functional components present at the cranial nerve's attachment to the brain may be absent in the branch |
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Term
| How do hitchhiking nerves works? |
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Definition
| Branches may pick up different functional components it previously lacked as it travels alongside a different nerve containing different functional components but only during the course of simultaneous travel |
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Term
| What is characteristic of all sympathetic fibers found in the head? |
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Definition
| All postganglionic from nerve cell bodies located within superior cervical sympathetic ganglion |
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Term
| What is the name of the sympathetic plexus found in the head and where is it found? |
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Definition
| Periarterial nerve plexuses found around external and internal carotid arteries |
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Term
| What cranial nerves carry parasympatehtic innervation? |
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Definition
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Term
| Which cranial nerve carries parasympathetic innervation to thoracic and abdominal viscera? |
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Definition
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Term
| What is unique about CN IX and X among the other cranial nerves that carry parasympathetic innervation? |
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Definition
| Only ones to carry significant amounts of GVA fibers |
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Term
| Which cranial nerve carries parasympathetic innervation via ciliary ganglion? What is its target? |
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Definition
| CN III (oculomotor), targets intrinsic eye muscles |
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Term
| Which cranial nerve carries parasympathetic innervation via pterygopalatine ganglion? Where does it branch? What does it target? |
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Definition
| CN VII (facial) via maxillary branch to lacrimal glands, nasal cavity, maxillary sinus, and palate |
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Term
| Which cranial nerve carries parasympathetic innervation via submandibular ganglion? Where does it branch? What does it target? |
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Definition
| CN VII (facial) via mandibular branch to submandibular and sublingual glands |
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Term
| Which parasympathetic nerve carries parasympathetic innervation via otic ganglion? Where does it branch? What is its target? |
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Definition
| CN IX (glossopharyngeal) via madibular branch to parotid gland |
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Term
| True or false - Some branches of the trigeminal nerve carry parasympathetic fibers |
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Definition
| True - however, those fibers are not considered part of the trigeminal nerve because they are not present in its attachment to the brain |
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Term
| What are the 12 pairs of cranial nerves number according to? |
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Definition
| In the rostral-caudal sequence in which they pierce the dura mater of the cranial base |
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Term
| What does the olfactory nerve (CN I) traverse in order to reach the olfactory bulb? |
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Definition
| Cribiform plate of the ethmoid bone |
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Term
| Where do CN II (optic nerve) SSA fibers converge? |
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Definition
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Term
| Where do the two optic nerves join and cross? |
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Definition
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Term
| Which cranial nerves innervate extraocular muscles? |
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Definition
| CN III (oculomotoer), IV (trochlear), and VI (abducent) |
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Term
| What is the main sensory nerve to the face? |
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Definition
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Term
| What is innervated by CN V (trigeminal nerve)? |
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Definition
| Facial sensory innervation, oral cavity, nasal cavity, muscles of mastication, and other muscles that develop from the first pharyngeal arch |
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Term
| Where do the sensory parts of the trigeminal nerve divide into 3 division? |
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Definition
| Trigeminal ganglion (contains GSA cell bodies) |
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Term
| What is the sensory nerve of the orbit, forehead, and dorsum of the nose? |
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Definition
| Ophthalmic nerve (first branch of trigeminal nerve) |
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Term
| What is the sensory nerve of the middle face that also supplies GSA fibers to the nasal and oral cavities? |
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Definition
| Maxillary nerve (second branch of trigeminal nerve) |
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Term
| What provides innervation to muscles derived from the first pharyngeal arch as well as sensory fibers to the oral cavity, lower 1/3 of the face, and the temples? |
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Definition
| Mandibular nerve (third branch of trigeminal nerve) |
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Term
| What cranial nerve innervates the muscles used for facial expression as well as carrying taste from the anterior 2/3 of the tongue? |
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Definition
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Term
| What carries SSA nerve fibers from the inner ear to the brain? |
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Definition
| CN VIII (vestibulocochlear nerve) |
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Term
| What carries taste and general sensation from the posterior 1/3 of the tongue as well as innervation for the stylopharyngeus muscle? |
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Definition
| CN IX (glossopharyngeal nerve) |
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Term
| CN IX (glossopharyngeal nerve) provides GVA fibers to what structures? |
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Definition
| Carotid sinus and carotid body |
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Term
| What cranial nerve innervates muscles of the soft palate, pharynx, larynx, and provides taste to the roots of the tongue and epiglottis? |
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Definition
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Term
| What parts of the soft palate and pharynx does the vagus nerve NOT innervate? |
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Definition
| Tensor veli palatini and stylopharyngeus respectively |
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Term
| What provides GSE innervation to the trapezius and sternocleidomastoid muscles? |
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Definition
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Term
| What sends GSE fibers to innervate the extrinsic and intrinsic muscles of the tongue? |
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Definition
| CN XII (hypoglossal nerve) |
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