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Stack #72710
Mrs. T's Sensory Sys Stack
| Question | Answer |
|---|---|
| blind spot | optic disc |
| name 4 general senses | pain, heat, balance, proprioception |
| function of vestibule and semicircular canals | balance |
| cranial nerve associated with sense of smell | olfactory nerve |
| type of receptor that signals pain | nociceptors |
| layer of eye that supplies retina with blood | choroid |
| receptor in ear associated with sense of hearing | organ of Corti |
| function of ciliary muscle | change shape of lens to better focus |
| phenomena of phantom limb pain | projection |
| what is cerumen | ear wax |
| proper term for sense of taste | gustation |
| what does the oculomotor nerve serve? | extrinsic eye muscles |
| function of the rods | night vision |
| what is basis for "referred pain" | samw nerves that carry sensory info from the heart carry sensory info from shoulder and arm |
| example of "referred pain" | pain of heart attack radiates to left shoulder and arm |
| correct order of ossicles, from tympanic membrane to oval window | malleus - incus - stapes |
| what are "floaters"? | normal, harmless substances that float around in the vitreous humor |
| structures that let you look around | extrinsic eye muscles |
| define synesthesia | breakdown of the usual boundaries between senses |
| Are more males, or females, synesthetics? | females |
| explain 20/80 vision | a person can see at 80 feet what another person can see at 20 feet |
| specialized area of a sensory neuron that detects a specific stimulus | receptor |
| cause of glaucoma | impaired drainage of aqueous humor, which causes intraocular pressure |
| function of lens | refracts light so it hits the retina |
| connects middle ear to pharynx | Eustachian tube |
| function of lacrimal gland | secretes tears |
| structure that separates the middle ear from the external acoustic canal | tympanic membrane |
| proper name for the stirrup ear bone | stapes |
| proper name for the hammer ear bone | malleus |
| proper name for the anvil ear bone | incus |
| 3 tunics (layers) of the eyeball | choroid, sclera, retina |
| errors of refraction | myopia, hyperopia, astigmatism |
| condition caused by unequal tension exerted by extrinsic eye muscles | strabismus |
| gel-like material that gently pushes the retina against the choroid and maintains the shape of the eyeball | vitreous humor |
| structures of inner ear | semicircular canals, vestibule, cochlea |
| function of taste buds | detect sweet, salt, bitter and sour |
| reflex ability of lens to change shape as an object moves closer to the eye | accomodation |
| why do adults have less ear infections than kids? | eustachian tubes are more horizontal |
| what causes motion sickness? | excessive stimulation of receptors in semicircular canals and vestibule |
| symptoms of motion sickness | nausea, vertigo (dizziness) |
| treatment of motion sickness | pressure point bracelet, medication |
Created by:
thomase
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