Anatomy and Physiology Ch. 7 & 8 Review Questions

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what is the ability of the eye to focus on close objects? -accomodation -binocular vision -refraction -convergence

accomodation

the overlapping of the two visual fields that providse for depth perception (3-D vision) results in ___________. -convergence -binocular vision -accomodation -inversion

binocular vision

the membrane that covers the outer surface of the eye and lines the eyelid is the ________. -conjunctiva -choroid -sclera -retina

conjunctiva

what is the reflexive movement of both eyes medially to view objects close to us? -accomodation -convergence -emmetropia -inversion

convergence

what structure is lined with ceruminous glands? -pharyngotympanic (auditory) tube -tympanic membrane -external acoustic meatus (auditory canal) -auricle (pinna)

external acoustic meatus (auditory canal)

what are the three cranial nerves that carry taste sensations to the brain? -facial, glossopharyngeal, vagus -hypoglossal, vagus, trigeminal -hypoglossal, glossopharyngeal, facial

facial, glossopharyngeal, vagus

what specific receptor cells respond to chemicals dissolved in saliva? -hair cells -taste bud cells -gustatory cells -olfactory cells

gustatory cells

which gland is located above the lateral end of each eye and releases tears? -tarsal -ceruminous -lacrimal -sweat=

lacrimal

the biconvex structure that focuses light on the retina is the _______. -lens -pupil -iris -cornea

lens

the vibration of sound waves causes the tympanic membrane (eardrum) to move against an ossicle known as _________. -otolith -incus/anvil -stapes/stirrups -malleus/hammer

malleus/hammer

what type of chemoreceptor is responsible for our sense of smell? -static equilibrium receptor -olfactory receptor -photoreceptors -dynamic equilibrium receptor

olfactory receptor

fibers from the medial side of each eye cross over to the opposite side of the brain at the ___________. -optic tracts -convergence -optic chaisma -optic ratiation

optic chaisma

what region of the retina lacks photoreceptor cells? -sclera -iris -choroid -optic disk (blind spot)

optic disk (blind spot)

tiny stones made of calcium salts that roll in response to changes in gravitational pull are called _______. -otoliths -cupulae -ossicles -maculae

otoliths

the small, peglike projections of the tongue's surface are called ________. -basal cells -maculae -papilae -otoliths

papilae

which layer of the eye contains photoreceptors known as rods and cones? -sclera -retina -choroid -cornea

retina

dynamic equilibrium receptors that detect information about angular or rotational movements of the head are housed in the _________. -cochlea -vestibule -oval window -semicircular canals

semicircular canals

the five taste sensations are _________.

sweet, sour, salty, bitter, umami

what membrane divides the outer ear from the middle ear? -cochlea -auricle (pinna) -vestibule -tympanic membrane (ear drum)

tympanic membrane (ear drum)

the gel-like substance housed in the posterior segment of the eye is the ______________. -cornea -vitreous humor (body) -aqueous humor -lens

vitreous humor (body)


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