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Unit 3
| Term | Definition |
|---|---|
| 1 | Olfactory |
| 1 function | Olfactory - smell |
| 1 location | Olfactory - Cribriform Plate |
| 2 | Optic Nerve |
| 2 function | Optic Nerve - vision |
| 2 location | Optic Nerve -Optic canal |
| 3 | Oculomotor |
| 3 function | Oculomotor -Medial rectus, Inferior rectus, superior rectus, inferior oblique |
| 3 location | Oculomotor - Superior orbital fissure |
| 4 | Trochlear |
| 4 function | Trochlear- Superior oblique L shape pull |
| 4 location | Trochlear -Superior orbital fissure |
| 5 | Trigeminal |
| 5 function | Trigeminal -Opthalmic, maxillary, mandibular, masseter, temporalis |
| 5 location | Trigeminal -Foramen Rotundum |
| 6 | Abducens |
| 6 function | Abducens -Lateral Rectus |
| 6 Location | Abducens -Superior Orbital fissure |
| 7 | Facial |
| 7 function | Facial- 2/3 ant. tongue. Expression |
| 7 location | Facial- Internal Acoustic Meatus |
| 8 | Vestibulocochlear |
| 8 function | Vestibulocochlear- balance and hearing |
| 8 location | Vestibulocochlear- internal acoustic meatus |
| 9 | glossopharyngeal |
| 9 function | glossopharyngeal- 1/3 tongue post. swallowing and salvation |
| 9 location | glossopharyngeal- Jugular Foramen |
| 10 | Vagus |
| 10 function | Vagus- abdomen, longest nerve in the body |
| 10 location | Jugular Foramen |
| 11 | Spinal Accessory |
| 11 function | Spinal Accessory - Traps and SCM |
| 11 location | Spinal Accessory- jugular foramen |
| 12 | Hypoglossal |
| 12 function | Hypoglossal - tongue muscle |
| 12 location | Hypoglossal - hypoglossal canal |
| Which cranial nerve has 3 divisions of face? | Trigeminal- opthalmic, maxillary, mandibular |
| 4 cranial nerves that deal with the eye? | Optic nerve (2), Oculomotor (3), Abducens (6), trochlear (4) |
| Cornea | Refraction, bends light |
| Pupil | Light limitation, restricts light |
| lens | focus |
| Iris | close/open pupil |
| Ciliary muscle | bends lens |
| Sclera | Holds shape of eye |
| choroid | vessels |
| retina | cones + rods |
| Optic nerve | vision |
| optic disc | blind spot |
| Macula | detailed vision |
| Fovea centralis | connection of cones |
| vitreous humor | maintains shape of eye (fluid in eye) |
| aqueous humor | eye shape + nourishment ( fluid in lens) |
| Cataracts | #1 cause of blindness Proteins in eye break down and cause clouds areas in lens. |
| Glaucoma | #2 cause of blindness. Loss of peripheral vision, blind spots, and potential blindness. too much fluid in eye. ruins nerve in eye. common in young person. |
| Retinal detachment | retina pulled away from position |
| Floaters | small dark squiggly lines |
| where has NO concentraron of cones + rods | optic disc |
| where has ALOT of concentration of cones + rods | macula fovea centralis |
| Old age loss of vision location | ciliary muscle |
| kids need glasses when... | eye is too wide or too long |
| layer of eye | Sclera, choroid, retina |
| color blindness is caused from | less cones |
| 3 nerves of the cranial that control movement | LR6 * SO4 * 3 |
| Outer ear | Receiver of sound |
| Middle ear | Amplifier by 22x |
| Inner ear | transmitter |
| Auricle | Catches waves (outer ear) |
| tympanic membrane I | Separates outer and inner ear |
| Ossicles | a. malleus b. incus c. stapes |
| Eustachian tube | Connects to throat. 45 degree angle when adult 20 when kid (causes ear ache) release pressure |
| Semicircular canals | 3 plans, maintain balance |
| Cochlear nerve | Hearing |
| vestibular nerve | balance |
| How many decibels cause hearing loss | 120 dB and repeated 80 dB |
| Conductive loss | Excessive earwax something blocking |
| Nerve loss | issues within cochlea |
| vertigo | inner ear, dizziness |
| Tinnitus | ringing in ear, old age |
| semicircular canals contribute to what | feeling dizzy or loss of balance when fluid becomes disorganized |
| Levator Palpebrae superiosis | 3rd cranial nerve eyelid |
| Masseter | chewing, CN5 cheek |
| temporalis | chewing CN5 temporal |
| Orbicularis oris | Facial nerve around mouth |
| Orbicularis Oculi | Facial nerve/ squinting around eye |
| Frontalis | Facial expression |
| platysma | neck |
| Parotid gland | salivary gland 8oz of saliva a day |
| Submandibular gland | on neck |
| Bell's palsy | temporary paralysis on one side of face. 6 days to 6 weeks paralysis of facial nerve #7 |
| Two muscles not innervated by facial nerve #7 / | masseter + temporalis (#5) |
| what artery branches off os facial artery | angular artery |
| superficial temporal artery | anterior of ear |
| laceration | cut |
| what tonsil is taken out the most | palatine tonsil |
| what is the epiglottis for | closing over esophagus when talking |
| which neck bone gets fractured when getting strangled | hyoid bone |
| what is the function of sinus's | to lighten weight of head |
| : |
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