special senses

Question 1

ophthalmology

Answer 1

branch of medicine dealing with the eye

Question 2

accomodation

Answer 2

change in lens shape to focus at various distances

Question 3

acuity

Answer 3

sharpness of vision

Question 4

tonometry

Answer 4

procedure using an instrument to measure intraocular pressure

Question 5

cranial nerve VIII

Answer 5

acoustic, auditory, or vestibulocochlear- balance and hearing

Question 6

pannus

Answer 6

inflammation and vascularization of the cornea

Question 7

epiphora

Answer 7

excessive tear prodiction

Question 8

proptosis

Answer 8

displacement of the eye from the orbit

Question 9

enucleation

Answer 9

surgical removal of the eyeball

Question 10

mydriatics

Answer 10

drugs that dilate the pupil

Question 11

tapetum lucidium

Answer 11

brightly colored iridescent reflecting layer of the choroid

Question 12

paplpebrae

Answer 12

eyelids

Question 13

conjunctiva

Answer 13

the mucous membrane that lines the underside of each eyelid

Question 14

distichiasis

Answer 14

abnormal condition of a double row of eyelashes , one of which turns against the eyeball resulting in injury

Question 15

ectropion

Answer 15

eversion of turning outward of the eyelid

Question 16

panophthalmitis

Answer 16

inflammation of all eye structures

Question 17

nicitating membrane

Answer 17

third eye; conjunctival fold attached at the medial canthus that moves across the cornea when the eyelids close

Question 18

nystagmus

Answer 18

involuntary, constant, rhythmic movement of the eyes

Question 19

rhodopsin

Answer 19

photosensitive chemical in retinol rods derived from vitamin a

Question 20

fluoroscein

Answer 20

a fluorescing dye

Question 21

blepharospasm

Answer 21

rapid, involuntary contraction of the eyelid

Question 22

cochlea

Answer 22

spiral shaped passage that leads from the oval window to the inner ear

Question 23

otitis externa

Answer 23

inflammation of the outer ear

Question 24

aqueous humor

Answer 24

the watery fluid that fills the anterior and posterior chambers of the eye

Question 25

glaucoma

Answer 25

group of disorders resulting from elevated intraocular pressure

Question 26

canthus

Answer 26

the angle where the uper and lower eyelids meet

Question 27

floaters

Answer 27

particles suspended in the vitreous fluid that cast shadows on the retina

Question 28

eustachian tube

Answer 28

narrow duct that leads from the middle ear to the nasopharynx

Question 29

nuclear sclerosis

Answer 29

drying out of the lens with age

Question 30

malleus, incus, stapes

Answer 30

the three auditory ossicles of mammals