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
chapter 11 senses
senses
| Question | Answer |
|---|---|
| List the five special senses. | 1.vision 2. hearing 3. equilibrium 4. taste 5. smell |
| list five general senses. | 1.pressure 2.temperature 3.pain 4.touch 5.postion |
| What is the thin membrane that lines the inner surface of the eyelids and covers the visible portion of the white of the eye? | Conjunctiva |
| where are tears produced? | lacrimal glands |
| what is the function of the nasolacrimal duct? | allow tears into the nose causing a runny nose. |
| what is the middle, pigmented tunic of the eyeball? | Choroid |
| which tunic contains the photoreceptors? | Retina |
| define refraction | bending of light rays as they pass from one substance to another substance of a different density |
| what is the transparent portion of hte sclera? | cornea |
| list the four parts of the eye that participates in refration | 1.cornea 2.aqueous humor 3.lens 4.vitreous body |
| define aqueous humor | watery fluid that fills anteriorly to the lens |
| define vitreous body | soft jelly like substance that fills posteriorly to the lens |
| what are the two receptor cells of the eye? | 1.rods 2.cones |
| what kind of light do rods function in? | Dark |
| what is the fovea centralis? | tiny depressed area near the optic nerve |
| color blindness results from lack of what? | retinal cones |
| what is the rod pigment? | rhodopsin or visual purple |
| night blindness results from a deficency of what vitamin? | A |
| visual impulses travel through the optic nerve to which part of the brain? | occipital cortex |
| what is the funciton of hte iris? | regulates the amount of light entering the eye |
| is the iris extrensic or intrensic? | intrensic |
| define presbyopia | defficulty focusing on close objects. means old eye literaly |
| list and give the functions of the two sensory nerves that supply the eye. | 1.optic-carries visual impulses from rods and cones to the brain2.ophthalmic branch of trigeminal nerve- pain touch and temperature to the brain |
| define optic disk | blind spot |
| what nerve supplies almost all extrinsic eye muscles? | trochlear nerve |
| define hyperopia and astigmatism. | 1.hyperopia- farsightedness2.astigmatism- curvature of cornea or lens causing light rays to bend causing blurry vision. |
| what is the scientific term for pinkeye? | conjunctivitis |
| what is opacity of the lens called? | cataract |
| what is glaucoma? | excessive pressure of aqueous humor |
| what is the visible external portion of the ear? | pinna |
| where is wax produced? | ceruminous glands in the external auditory canal |
| what is the common name for the tympanic membrane? | eardrum |
| what two parts of hte ear does the tymapnic membrane separate? | external auditory canal and middle ear cavity |
| what isthe name for the three small bones of the middle ear? | ossicles |
| which of hte ossicles comes in contact with the tympanic membrane? | malleus |
| what does the eustachian tube connect> | middle ear cavity with the throat |
| what kind of receptors does the vestibule contain? | equilibrium |
| what is hte coiled division of hte inner ear that contains the receptors for hearing? | cochlea |
| what is the organ of hearing? | organ of corti |
| which of the ossicles is in contact with th oval window of the inner ear? | stapes |
| list the steps in hearing | 1.sound enters external canal2.eardurum vibrates3.ossicles transmit across middle ear4.stapes sends to inner ear5.corti cilia move6.movement of membrane makes nerve impluses7.brain through the 8craninal nerve8.temproal lobe cortex interprets |
| what form of equlibrium do maculae function in? | static equilibrium |
| waht are cristae? | receptors located at base of semi circular canals |
| waht kind of movement do the semicircular canals detect? | different |
| define otitis media | infection and inflammation of hte middle ear cavity |
| what is the common name for otits externa? | swimmers ear |
| difine otosclerosis | bone disorder that prevents the normal vibraion of the stapes |
| on which part of hte tongue are sweet tastes most acytekt experienced? | tip |
| the interpretation of smell is closely related to what other sense | taste |
| waht are the receptors for pain? | skin muscles and joints |
| what are analgesics | meds for pain |
| what are endorphins? | released naturally by the brain associated with pain control |
| define sensory adaptation | receptors adjusting themselves so that a sensation becomes less acute |
Created by:
morganne
Popular Anatomy sets