Special Senses

Question 1

what do the eyelids and eyelashes do?

Answer 1

keep out dirt and bacteria

Question 2

what are the lacrimal glands connected too

Answer 2

connected to the nasal cavity

Question 3

what’s the function of the lacrimal glands

Answer 3

they produce tears witch moisten and cleanse the eye

Question 4

whats conjunctiva

Answer 4

the mucus membrane that lines the eyelid and covers the front of the eye providing additional protection

Question 5

whats the sclera?

Answer 5

is the “white” part of the eye, the outermost layer

Question 6

whats the function of the sclera?

Answer 6

it helps maintain the eyes shape

Question 7

whats the cornea?

Answer 7

transparent front of the sclera

Question 8

whats the choroid coat ?

Answer 8

the middle layer that is the blood vessels that nourish

Question 9

whats the retina?

Answer 9

the inner lining of the eyeball that light waves fall onto after passing through the eye

Question 10

what’s the function of the retina

Answer 10

transmits impulces to the optic nerve

Question 11

what are photoreceptors?

Answer 11

rods and cones

Question 12

whats the iris?

Answer 12

colored portion of the eye

Question 13

whats the pupil

Answer 13

opening int he center of the iris

Question 14

where is the lens located?

Answer 14

behind the pupil

Question 15

whats the lens function?

Answer 15

refracts rays to focus on retina

Question 16

what do accommodates allow you to do?

Answer 16

allow near/far vision

Question 17

hyperopia disease?

Answer 17

disease where the eyeball is too short effecting farsighness vision

Question 18

What corrects hyperopia

Answer 18

Convex lenses

Question 19

Myopia disease?

Answer 19

Disease where eyeball is too long effecting nearsighted vision

Question 20

How do you correct myopia

Answer 20

Concave lenses and radial keratomoy surgery

Question 21

Amblyopia?

Answer 21

Lazy eye

Question 22

How do you correct amblyopia

Answer 22

Surgery, glasses, exercises and patching

Question 23

Strabismus disease

Answer 23

Eyes dont move or focus together

Question 24

How do you correct strabismus

Answer 24

Surgery, glasses, exercises and patching

Question 25

What age group is strabismus most common in

Answer 25

Children

Question 26

Whats astigmatism disease

Answer 26

Abnormal curvature of cornea

Question 27

How do you correct astigmatism

Answer 27

Glasses or contacts

Question 28

Whats a cataract

Answer 28

Cloudy lens

Question 29

Whats glaucoma? Hows it controlled?

Answer 29

Increased intruoocular pressure. With meds

Question 30

Whats conjunctivitis?

Answer 30

Contagious eye infection

Question 31

How is conjunctivitis treated?

Answer 31

Antibiotics, eye drops, cream

Question 32

Whats the ear?

Answer 32

Controls hearing and balances by transmitting impulses from sound waves too auditory nerve

Question 33

Whats the pinna/auricle?

Answer 33

Outer visible part of the ear (largest structure)

Question 34

Whats the external auditory canal?

Answer 34

The glands that produce cerumen (wax)

Question 35

Whats cerumen?

Answer 35

Wax

Question 36

Whats the tympanic membrane?

Answer 36

Eardrum that separates the outer ear from the middle ear . Vibrates when sound waves hit

Question 37

Middle ear?

Answer 37

Small cavity in the temporal bone

Question 38

Three bones of middle ear

Answer 38

Malleus ,incus, stapes

Question 39

What do the Malleus ,incus, stapes in the middle ear do?

Answer 39

Transmit sound waves in the ear

Question 40

Whats the inner ear?

Answer 40

Oval window thats the entrance too other parts of inner ear

Question 41

Cochlea?

Answer 41

Organ of corti that transmits impulses to the auditory nerves

Question 42

Semicircular canals?

Answer 42

Balance and equilibrium

Question 43

Conductive hearing loss? Treat?

Answer 43

Sound Waves dont conduct to the inner ear because ruptured tempanic membrane Treat- surgery , hearing age

Question 44

Sensory hearing loss?

Answer 44

Damage to the inner ear or auditory nerve

Question 45

Ottis media? Treat?

Answer 45

Infection of the middle ear that causes sore throat T- antibiotics , myringotomy

Question 46

Otitis extetna ? Treat?

Answer 46

Inflammation of external auditory canal (swimmers ear) T- antibiotics , warm compresses

Question 47

Otosclerosis?

Answer 47

Stapes become immobile causes conductive hearing loss