chap 13

Question 1

functions of eye

Answer 1

Contains sensory receptors for vision

Question 2

structures of eye

Answer 2

Sclera
Choroid
Retina
Eyeball
Conjunctiva
Eye muscles

Question 3

anatomy of eye

Answer 3

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Question 4

external structures

Answer 4

Eye musclesEyelidsConjunctivaLacrimal apparatus

Question 5

3 eye layers

Answer 5

ScleraChoroidRetina

Question 6

vision required 4 mechanisms

Answer 6

Coordination of external eye muscles so that both eyes move together
Correct amount of light admitted by pupil
Correct focus of light upon retina by lens
Optic nerve transmitting sensory images to brain

Question 7

diplopia

Answer 7

double vision

Question 8

retinal dettathcmnet

Answer 8

separation of retina from choroid layer; damages blood vessels and nerves causing blindness

Question 9

conjunctivitis

Answer 9

inflammation of the conjunctiva, usually from bacterial infection; also called pink eye

Question 10

ear structures

Answer 10

Auricle
External ear
Middle ear
Inner ear

Question 11

tinnitus

Answer 11

ringing in ears

Question 12

vertigo

Answer 12

dizziness

Question 13

otis externa

Answer 13

external ear infection; often by fungus; also called otomycosis or swimmer’s ear

Question 14

otitis media

Answer 14

infection of middle ear; most commonly seen in children; watery fluid (serous otitis media) or pus (purulent otitis media) accumulates in middle ear cavity

Question 15

slide 67

Answer 15

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Question 16

slide 32

Answer 16

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