Anatomy Final Review: Ch 8

what is the ability of the eye to focus on close objects?

accommodation

the overlapping of the two visual fields that provides for depth perception (3D vision) results in what?

binocular vision

what vision disorder results from the loss of lens transparency?

cataracts

a person with total color blindness may lack what?

cones

a membrane that covers the outer of the eye and lines the eyelids is called what?

conjunctiva

which f the following correctly states the correct function of tarsal glands? a: produce sweat b: secrete lysozymes (enzymes that destroy eye bacteria) c: release tears d: secrete mucus e: produce oily secretion that lubricates the eye

e

what part of the eye has the greatest visual activity?

fovea centralis

what specific receptor cells respond to chemicals dissolved in saliva?

gustatory cells

what must be stimulated in order for the sense of hearing to be transmitted to the cochlear nerve?

hair cells

the pupil is an opening within the what?

iris

which gland is located above the lateral end of each eye and releases tears?

lacrimal glands

the bioconvex structure that focuses light n the retina is the what?

lens

the vibration of sound waves causes the tympanic membrane to move against an ossicle known as what?

malleus (hammer)

what is the pathway of vibrations a the travel from one ossicle to the next?

malleus, incus, stapes

the inability to see distant objects is termed "nearsighted" or what?

myopia

what type of chemoreceptor is responsible for our sense of smell?

olfactory receptors

what region of the retina lacks photoreceptors?

optic disc

tiny stones made of calcium salts that roll in response to changes in gravitational pull are called what?

otoliths

the small, peg-like projection on the tongue's surface surface are called what?

papillae

which layer of the eye contains photoreceptors such as cones and rods?

retina

what type of photoreceptor cell allows us to see gray tones in dim light, and provides our peripheral vision?

rods

the fibrous covering of the eye consists of a white layer known as _______, and aa transparent portion known as the _______.

sclera; cornea

gustatory hairs are to taste as olfactory hairs are to what?

smell

the fives taste sensations are what?

sour, sweet, bitter, salty, umami

what sensation is related to sitting motionless at a desk studying your anatomy and physiology material?

static equilibrium

what membrane divides the outer ear from the middle ear?

tympanic membrane (eardrum)

the gel-like substance housed in the posterior segment of the eye is that what?

vitrious humor (body)