front 1 Protects and shapes the eyeball; provides a sturdy anchoring site for extrinsic eye muscle? | back 1 sclera |
front 2 blood vessels supply nutrition to all eye layers | back 2 choroid |
front 3 contains ony cones;provides detail color vision | back 3 fovea |
front 4 lacks photoreceptors; were optic nerve exits the eye | back 4 optic disc |
front 5 consist of a pigment layer and a neural layer | back 5 retina |
front 6 acts as a reflexively activateddiaphragm to vay pupil size | back 6 Iris |
front 7 the only tissue in the body that can be transplanted from one person to another with little or no rejection | back 7 cornea |
front 8 controls lens shape | back 8 ciliary body |
front 9 holds the retina firmly against the pigmented layer | back 9 posterior segment (vitreous humor) |
front 10 fluid blockages cause glaucoma | back 10 anterior segment (aqueous humor) |
front 11 the senory layer of the eye | back 11 retina |
front 12 the structure most responsible for focusing light rays that enter the eye | back 12 lens |
front 13 helps maintain the intraocular pressure; located in the anterior part of the eye | back 13 aqueous humor |
front 14 area of greatest visual acuity | back 14 fovea centralis |
front 15 another waor for earstones | back 15 otiliths |
front 16 connects the middle ear with the nasopharynx | back 16 tympanic membrane |
front 17 contains utricle and saccule | back 17 vestibule |
front 18 detects linear acceleration | back 18 vestibule |
front 19 a condition that can result from a defictioncy of vitamine A | back 19 night blindness |
front 20 a condition of defness that mat result from otosclerosis | back 20 conduction deafness |
front 21 an inflamation of the lining of the middle ear | back 21 otitis media |
front 22 a condition often leading to blindness due to increased intraocular pressure | back 22 glaucoma |
front 23 hair cells receptive changes in dynamic equilibrium are found in this structure | back 23 crista ampullaris |
front 24 gustatory cells are found in this structure | back 24 taste buds |
front 25 hair cells receptive to changes in static equilibrium are found in this structure | back 25 macula |
front 26 the receptors of olfaction are found in this structure | back 26 olfactory epithelium |
front 27 houses the spiral organ (of corti) | back 27 cochear duct |
front 28 the receptor organ for hearing | back 28 spiral organ (of corti) |
front 29 the central part of the bony layrinth | back 29 vestibule |
front 30 a membrane that transmits sound vibartions to the auditory ossicles | back 30 tympanic membrane |
front 31 loss of hearing resulting from prolonged exposure to high-intensity sounds | back 31 senorineural deafness |
front 32 can result from the fusion of the auditory ossicles | back 32 conduction deafness |
front 33 a possible side effect of medicationssuch as aspirin | back 33 tinnitus |
front 34 one of the common results of otitis media | back 34 conduction deafness |
front 35 can result from impacted cerumen | back 35 conduction deafness |
front 36 what is the main function of the rodsin the eye | back 36 vision in dim light |
front 37 what structure regulates the amount of light passing to the visual receptors of the eye | back 37 iris |
front 38 receptors for hearing are located in the | back 38 cochlea |
front 39 which of the following types of neurons are replaced throughout adult life | back 39 olfactory receptor cells |
front 40 the oil component found in tears is produced by the | back 40 cilary gland |
front 41 the receptor for static equilibrium is the | back 41 macula |
front 42 farsightedness is moe properly called | back 42 hyperopia |
front 43 seventy percent of all receptors are located in the | back 43 eye |
front 44 which of the following structures is NOT part of the external ear | back 44 pharyngotympanic tube |
front 45 nerve fibers from the medial aspect of each eye | back 45 cross over to the opposite side at the chiasma |
front 46 why can corneas be transplanted with out tissue rection,unlike other tissues | back 46 has no blood supply |
front 47 the oval window is connected directly to which passage way | back 47 scala vestibuli |
front 48 there are three layer of neurons in the retina ,the axons of which of these neurons layers form the optic nerve | back 48 ganglion cells |
front 49 the first way staytion in the visual pathway from the eye,after there has been partial cross over of the fibers in the optic chiasma,is the | back 49 lateral geniculate body of the thalumus |
front 50 as sound levels increase in the increase in the spiral organ (of corti) | back 50 outer hair cells stiffen the basilar membrane |
front 51 which of the following is true about gustatory recetors | back 51 complete adaptation occurs in about one to five minutes |
front 52 tastes buds are not found | back 52 in filiform papillae |
front 53 select the correct statement about olfaction | back 53 some of the sensation of olfaction if actually one of pain |
front 54 what prevents the eyelids from sticking together when the eyes close | back 54 tarsal gland secretions |
front 55 which of the following tase sensations is incorrectly matched to the chemicals that produce it
| back 55 umani-amino acidsglutamate and lysine |
front 56 u.s. employees must wear hearing protection at ____________dB or above | back 56 90 |
front 57 what is a modiolus? | back 57 a bone pillar in the center of the cochlea |
front 58 which statement od malnutrition-induced night blindness is most accurate
| back 58 vitamine supplements can reversedenerative changes |
front 59 dark adaptation | back 59 involves accumilation of rhodopsin |
front 60 conscious perception of vision problably reflects activity in the | back 60 occipital lobe of the cortex |
front 61 in the visual pathways of the brain,the optic radiations project to the | back 61 primary visual cortex |
front 62 visual imputs to the _______ serve to synchronize biorhythms with natural light and dark. | back 62 suprachiasmatic nucleus |
front 63 information from balance receptors goes directlyto the | back 63 brain stem reflex centers |
front 64 motion sickness seems to | back 64 results from mismatch between visual and vestibular inputs |
front 65 in the uterus | back 65 despite the fact that the fetus cannot see,function visual cortical connections are established |
front 66 most newborns | back 66 often use only one eye at a time |
front 67 the blind spot of the eye is where | back 67 the optic nerve leaves the eye |
front 68 the first vestiges of the eye in the embryo are called | back 68 optic vesicles |
front 69 which pairing of terms is INCORRECTLY related
| back 69 grequency-loudness |
front 70 olfactory cells and taste buds are normally stimulated by | back 70 substances in solution |
front 71 which of the following could NOT be seen as one looks into the eye with an ophthalmoscope | back 71 optic chiasma |
front 72 the cells of the retina in which action potentials are generated are the | back 72 ganglion cells |
front 73 during dark adaptation | back 73 rhodopsin accumulates in the rods |
front 74 tinnitis, vertigo and gradual hearing loss typify the disorder called | back 74 menier's syndrome |
front 75 which of the following is NOT a characteristic of olfactory receptor cells
| back 75 they are unipolar nuerons |
front 76 an essential part of the maculae involved in static equilibrium ia (are) the | back 76 otoliths |
front 77 the tarsal plate of the eyelid | back 77 is connected to the levator palpebrae |
front 78 it is true that photoreceptors | back 78 rods absorb light throughout the spectrum but confer only grey tone vision |
front 79 christae respond to angular | back 79 accerleration and deceleration |
front 80 the eye muscle that elevates and turns the eye laterally is the | back 80 inferior olbique |
front 81 the receptor membranesof gustatory cells are | back 81 gustatory hairs |
front 82 light passes through the following structures in what order | back 82 Cornea, aquecous humor, lens, vitreous humor |
front 83 damage to the media rectmuscles would problably effect | back 83 convergence |
front 84 visible light fits between | back 84 UV and infrared |
front 85 ceruminous glands are | back 85 modified apocrine sweat glands |
front 86 the boundery of the retina is called the | back 86 ora serrata |
front 87 the synapse of the olfactory nerves with the mitral cells is called | back 87 glomerulus |
front 88 the rocks found in ones head (calcium carbonate crystals) are called | back 88 otoliths |
front 89 the middle ear ossicle is the | back 89 incus |
front 90 the _________ are in the visual pathway amd mediate the pupillary light reflexes | back 90 pretectal nuclei |
front 91 the oval window touches the stapes and the | back 91 vestibule |
front 92 the vestibulocochler nerve first synapses with the_______ in the medulla | back 92 cochlear nuclei |
front 93 the apex of the ear hears sounds in the range of | back 93 20-20,000 Hz |
front 94 in the optic _______ the visual fields of the axons are all ipsilateral | back 94 tract |