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The Special Senses
| Question | Answer |
|---|---|
| The purpose of the eye is to gather light from the environment and form and image on the cells of the _____. | retina |
| The nerve that carries impulses from the eye is composed of the _____. | optic nerve |
| The inner coat of the posterior wall of the eye is composed of the _____. | retina |
| The outer wall of the eye consists of the cornea and the _____. | sclera |
| The thin, watery fluid in the anterior chamber of the eye is _____. | aqueous humor |
| The jellylike substance that fills the posterior cavity of the eye is called _____. | vitreous humor |
| The posterior chamber of the eye lies between the iris and the _____. | lens |
| The pupil of the eye is an opening in the portion of the eye known as the _____. | iris |
| The eyelids are covered on their surfaces by the mucous membrane called the _____. | conjunctiva |
| Tears bathe the eyeball and keep it moist; they are produced by the _____. | lacrimal apparatus |
| Twilight vision is concerned with retinal cells known as _____. | rods |
| Daylight vision and close, detailed vision are permitted by retinal cells known as _____. | cones |
| The optic disc contains no visual receptors and is therefore called the _____. | blind spot |
| The lobe of the brain where visual patterns are interpreted is the _____. | occipital lobe |
| The process of light focusing due to the elasticity of the lens is called the _____. | accommodation |
| Aging can cause reduced accommodation, and condition known as _____. | presbyopia |
| Nearsightedness can be corrected by utilizing glasses having lenses that are _____. | biconcave |
| The condition of farsightedness irregular curvature of the lens or cornea results in a disorder known as _____. | hyperopia |
| Irregular curvature of the lens or cornea results in a disorder known as _____. | astigmatism |
| The sex-linked genetic trait in which a person cannot detect certain colors is called _____. | colorblindness |
| The major lobe of the brain in which hearing perception occurs is the _____. | temporal lobe |
| The technical name for the eardrum is the _____. | tympanic membrane |
| The middle ear bones, which transmit sound to the inner ear, are known as the malleus, incus, and _____. | stapes |
| The long, slender tube leading from the pharynx to the middle ear is the _____. | auditory tube |
| The snail-like structure of the internal ear is called the _____. | cochlea |
| The sense of taste is technically known as the _____. | gustatory sense |
| The taste buds are located on the upper surface of the tongue withing tiny elevations called _____. | papillae |
| The five primary tastes are sweet, sour, salty, umami, and _____. | bitter |
| Impulses of taste are transmitted to the brain over the facial nerve or the _____. | glossopharyngeal nerve |
| The sense of smell is called the _____. | olfactory sense |
| The interpretations of smell are made in the temporal lobe of the cerebrum and in the _____. | frontal lobe |
| The sense of equilibrium is associated with the canals and passageways found in the _____. | inner ear |
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