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BMS 250 Lab
Lab 7
| Term | Definition |
|---|---|
| Cranial nerve I | Olfactory |
| Cranial nerve II | Optic |
| Cranial nerve III | Oculomotor |
| Cranial nerve IV | Trochlear |
| Cranial nerve V | Trigeminal |
| Cranial nerve VI | Abducens |
| Cranial nerve VII | Facial |
| Cranial nerve VIII | Vestibulocochlear |
| Cranial nerve IX | Glossopharyngeal |
| Cranial nerve X | Vagus |
| Cranial nerve XI | Accessory |
| Cranial nerve XII | Hypoglossal |
| Function of olfactory nerves | carries sensory information for the special sense of smell |
| Function of optic nerves | transmits sensory information from the retina to the brain for the special sense of sight |
| Function of oculomotor nerves | conducts motor info to 4/6 extraocular eye muscles that control movement of the eye, conducts motor info to the intraocular eye muscles that control the size of the pupil and the shape of the lens |
| Function of trochlear nerves | innervates the superior oblique muscle to conduct motor movement in the eye |
| Function of the trigeminal nerves | conducts general sensory information from the scalp, forehead, nose, cheeks, lower jaw, gums, and teeth, conducts motor information to skeletal muscles involved in mastication (chewing) |
| Function of abducens nerves | innervates the lateral rectus muscle in each eye to conduct motor movement |
| Function of facial nerves | conducts sensory information from the anterior 2/3 of the tongue for the sense of taste, conducts motor information to the muscles responsible for facial expression |
| Function of vestibulocochlear nerves | conducts sensory signals to the brain regarding equilibrium (balance) and audition (hearing) |
| Function of glossopharyngeal nerves | conducts sensory taste info from the posterior 1/3 of the tongue & sensory info from the pharyngeal walls to the brain, conducts motor information to the stylopharyngeus muscle of the throat to allow for the elevation of the pharynx during swallowing |
| Function of vagus nerves | visceralsensory info from the heart, lungs, & abdominal organs, generalsensory info from the laryngopharynx & pharynx, somatic motor info to skeletalmuscles in the pharynx & larynx, & visceral motorinfoto smoothmuscles-organs thoracic & abdominal cavities |
| Functions of spinal accessory nerves | conducts motor info to muscles of the neck that move the head, specifically the sternocleidomastoid and trapezius muscles |
| Functions of the hypoglossal nerves | conducts motor info to the intrinsic and extrinsic muscles of the tongue |
| Tests of olfactory nerves | waft unknown odors to try and identify scent |
| Tests of optic nerves | reading time with one or both eyes, pressing on side of eye, blind spot test, colorblindness test |
| Tests of oculomotor nerves | tracking finger with eyes, direct light reflex test, consensual light reflex test, accommodation reflex test |
| Tests of trochlear nerves | tracking finger with eyes |
| Tests of trigeminal nerves | identify touch to the face without sight, moving mandible |
| Tests of abducens nerves | tracking finger with eyes |
| Tests of facial nerves | pepsi v. coke flavor discrimination, facial expressions |
| Test of vestibulocochlear nerves | spin in chair and look at eyes for nystagmus, touching tuning fork to skull to detect sound |
| Tests of glossopharyngeal nerves | gag reflex test |
| Tests of vagus nerves | palpate muscles for swallowing while swallowing |
| Tests of accessory nerves | resisting applied pressure to the head and shoulders |
| Tests of the hypoglossal nerves | voluntary tongue movements |
| Components of the olfactory nerve | uncus, olfactory tract, olfactory bulb, sensory receptor |
| Components of the optic nerve | optic nerve, optic tract, primary visual cortex, sensory reception |
| Components of the oculomotor nerve | superior rectus, inferior oblique, medial rectus, inferior rectus, frontal eye field, precentral gyrus/primary motor cortex |
| Components of the trochlear nerve | superior oblique |
| Components of the trigeminal nerve | frontalis muscle, orbicularis occuli muscle, zygomaticus major and minor muscles, orbicularis oris muscle, primary motor cortex, primary somatosensory cortex |
| Components of the abducens nerve | lateral rectus |
| Components of the facial nerve | gustatory cortex, anterior 2/3 of tongue |
| Components of the vestibulocochlear nerve | primary auditory cortex, cochlear (hearing), vestibular (balance) |
| Components of the glossopharyngeal nerve | posterior 1/3 of tongue |
| Components of the vagus nerve | found in heart, stomach, lungs, and liver |
| Components of the accessory nerve | sternocleidomastoid muscle, trapezius |
| What type of nerve is the olfactory nerve? | sensory |
| What type of nerve is the optic nerve? | sensory |
| What type of nerve is the oculomotor nerve? | motor |
| What type of nerve is the trochlear nerve? | motor |
| What type of nerve is the trigeminal nerve? | mixed |
| What type of nerve is the abducens nerve? | motor |
| What type of nerve is the facial nerve? | mixed |
| What type of nerve is the vestibulocochlear nerve? | sensory |
| What type of nerve is the glossopharyngeal nerve? | mixed |
| What type of nerve is the vagus nerve? | mixed |
| What type of nerve is the accessory nerve? | motor |
| What type of nerve is the hypoglossal nerve? | motor |
| Where does the olfactory nerve extend from and to? | extends through the olfactory bulbs and extends to various locations in the brain such as the primary olfactory cortex |
| Where does the optic nerve extend from and to? | extends from your eye and to the thalamus and primary visual cortex |
| Where does the oculomotor nerve extend from and to? | extends from the midbrain and extends to the eye and eyelid |
| Where does the trochlear nerve extend from and to? | extends from the midbrain and extends to the superior oblique muscle |
| Where does the trigeminal nerve extend from and to? | extends from the pons and extends to the trigeminal ganglion |
| Where does the abducens nerve extend from and to? | extends from the pons and extends to lateral rectus muscle |
| Where does the facial nerve extend from and to? | extends from the pons and extends through the stylomastoid foramen to innervate muscles of facial expressions |
| Where does the vestibulocochlear nerve extend from and to? | extends from the vestibular apparatus and the cochlea and extends to the pons and medulla oblongata |
| Where does the glossopharyngeal nerve extend from and to? | sensory portion originates on taste buds and the posterior 1/3 of the tongue and extends to the pons, motor portion extends from the medulla oblongata and extends to the stylopharyngeus |
| Where does the vagus nerve extend from and to? | extends from the medulla oblongata and extends to the organs of the neck, thorax, and abdomen |
| Where does the accessory nerve extend from and to? | extends from the medulla oblongata and extends to the sternocleidomastoid and trapezius |
| Where does the hypoglossal nerve extend from and to? | extends from the medulla oblongata and extends to the mandible and inferior surface of the tongue |
Created by:
kkade
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