SENSES

Question 1

accessory structures of the eyes

Answer 1

extrinsic eye muscles
eyelids
conjunctiva
lacrimal appraratus

Question 2

space between eyelids in an open eye

Answer 2

palpebral fissure

Question 3

modified sebaceous glands in eyelid ridges; produce oily secretion (Lubricates eye)

Answer 3

tarsal glands

Question 4

modified sweat glands (between eyelashes)

Answer 4

ciliary glands

Question 5

membrane; lines eyelids covers outer surface of eyeball

Answer 5

conjunctiva

Question 6

consist lacrimal glands & ducts that drain lacrimal secretion

Answer 6

lacrimal apparatus

Question 7

they release dilute salt solution / tears

Answer 7

lacrimal glands

Question 8

enzymes that destroys bacteria; cleanse and protects the eye

Answer 8

lysozyme

Question 9

elevates eye & turns it medially :
depresses eye & turns it medially:

Answer 9

Superior
Inferior
rectus

Question 10

elevates eye ; turns it laterally
depresses eye; turns it laterally

Answer 10

Inferior
superior
oblique

Question 11

outermost layer of eyeball

Answer 11

fibrous layer

Question 12

middle layer

Answer 12

vascular layer

Question 13

innermost layer

Answer 13

sensory layer

Question 14

supplied in nerve endings; only tissue in body that can be transplanted

Answer 14

cornea

Question 15

thick white connective tissue

Answer 15

sclera

Question 16

blood rich tunic contains dark pigment; prevents light scattering inside the eye

Answer 16

choroid

Question 17

2 smooth muscle structures formed by choroid

Answer 17

ciliary body
iris

Question 18

circularly and radially arranged smooth muscle form the

Answer 18

iris

Question 19

are where optic nerve leaves eyeball; no photoreceptors

Answer 19

optic disc

Question 20

they act as phagocytes to remove dead receptor cells

Answer 20

retina

Question 21

allows us to see in gray tones; dim light

Answer 21

rods

Question 22

purple pigment found in rods

Answer 22

rhodopsin

Question 22

densest; allows us to see color under light conditions

Answer 22

cones

Question 23

tiny pit contains only cones; greatest visual acuity

Answer 23

fovea centralis

Question 24

flexible bioconvex crystal like structure

Answer 24

lens

Question 25

loss of lens transparency

Answer 25

cataracts

Question 26

clear watery fluid in lens

Answer 26

aqueous humor

Question 27

gel like substance in lens ; helps prevent eyeball from collapsing inward

Answer 27

vitreous humor

Question 28

pressure inside the eye

Answer 28

intraocular pressure

Question 29

instrument that illuminates interior of eyes

Answer 29

ophtalmoscope

Question 30

posterior wall of eye

Answer 30

fundus

Question 31

ability of eye to focus for close objects

Answer 31

accomodation

Question 32

image formed on retina result of light bending activity

Answer 32

real image

Question 33

damage of visual cortex; loss of visual field

Answer 33

Hemianopia

Question 34

nearsightedness ; focal point in front of retina

Answer 34

myopia

Question 35

farsighted; behind retina

Answer 35

hyperopic eye

Question 36

reflexive movements of eye when we view close objects

Answer 36

convergence

Question 37

pupils constricting ; exposed to bright light

Answer 37

photopupillary reflex

Question 38

pupils constricting ; viewing close objects

Answer 38

accommodation pupillary reflex

Question 39

receptors respond to physical forces

Answer 39

mechanoreceptors

Question 40

shell shaped structure surrounding auditory canal

Answer 40

auricle/pinna

Question 41

narrow chamber carved into temporal bone

Answer 41

external acoustic meatus

Question 42

walls; secrete earwax

Answer 42

ceruminous glands

Question 43

small, airfilled mucosa lined cavity within temporal bone

Answer 43

middle ear cavity

Question 44

auditory tube

Answer 44

pharyngotympanic

Question 45

eardrums bulges and inflammed

Answer 45

otitis media

Question 46

transmit & amplify the vibratory motion of the eardrum to fluids

Answer 46

ossicles

Question 47

maze of bony chambers

Answer 47

bony labryrinth

Question 48

plasmalike fluid of bony labrynth

Answer 48

perilymph

Question 49

contains hearing receptors / hair cells

Answer 49

spiral organ of corti

Question 50

hair cells transmit impulses via

Answer 50

cochlear nerve

Question 51

equilibrium receptors of inner ear

Answer 51

vestibular apparatus

Question 52

reports on changes on changes in the position of the head in space

Answer 52

maculae

Question 53

a gelatinous mass studded with otoliths

Answer 53

otoloithic membrane

Question 54

respond to angular/ rotational movements of head rather than to straight line

Answer 54

dynamic equilibrium

Question 55

consist of tuft hair cells covered w cupula

Answer 55

crista ampullaris

Question 56

receptors for taste and olfaction

Answer 56

chemoreceptors

Question 57

bundled axons of olfactory neurons

Answer 57

olfactory filaments

Question 58

conducts impulses to olfactory cortex of the brain

Answer 58

olfactory nerve

Question 59

small peglike projections

Answer 59

papillae

Question 60

receptor cells that respond to chemicals dissolved in the saliva are epithelial cells called

Answer 60

gustatory cells

Question 61

anterior 2/3 of tongue

Answer 61

facial nerves VII

Question 62

respond to hydrogen ions ; side of tongue

Answer 62

sour receptors

Question 63

respond to alkaloids; back of tongue

Answer 63

bitter receptors

Question 64

respond to metal ions

Answer 64

salty rceptors

Question 65

respond to amcid ; pharynx

Answer 65

umami