Chapter 8

Question 1

Wha are the Bone Structures?

Answer 1

• frontal
• zygomatic
• maxilla
• lacrimal
• ethmoid
• sphenoid
• palatine

Question 2

Eyelids

Answer 2

• cleansing the eye
• closing from flying object
• closing from bright light

Question 3

Eyelashes

Answer 3

-catch debris

Question 4

Eyebrows

Answer 4

• prevent sweat from entering eye
• catch debris
• like an awning -sunlight

Question 5

Lacrimal apparatus

Answer 5

• tears
• -99% water
• -1% salt, mucus, lysozyme

Question 6

Conjunctiva (lining of eyelid)

Answer 6

-wash away debris and microorganism

Question 7

Infection of the conjunctiva

Answer 7

Conjunctivitis (pink eye)

Question 8

Adipose (behind eye)

Answer 8

-absorb shock

Question 9

Outside of eyeball is called

Answer 9

Extrinsic Muscle

Question 10

Up (look)

Answer 10

Superior rectus

Question 11

Down (look)

Answer 11

Interior rectus

Question 12

Look medial

Answer 12

Medial rectus

Question 13

Look lateral

Answer 13

Lateral rectus

Question 14

Roll eyes

Answer 14

Superior oblique

Interior oblique

Question 15

• medial doctor with specialty in care and diseases of the eye
• surgeries prescribes any medicines

Answer 15

Ophthalmologist (M.D.)

Question 16

• oplometry school (no med school)

- prescribe som medicines, perform simple surgeries

Answer 16

Optometrist (O. D.)

Question 17

• goes to technical school

- makes lens-glasses or contracts according to a prescription

Answer 17

Optician

Question 18

Eyelid infection

Answer 18

Sky

Question 19

Pink eye (membrane infection)

Answer 19

Conjunctivitis

Question 20

Irregular curvature of the cornea

Answer 20

Astigmatism

Question 21

Clouding of lens

Answer 21

Cataract

Question 22

• Rise in pressure of aqueous

- glaucoma is progressive, no cure, arresting its progress is the goal, eye drops can control it

Answer 22

Glaucoma

Question 23

• near sightedness
• image focuses in front of the retina
• corrected with a concave lens

Answer 23

Myopia

Question 24

• Farsightedness
• image focuses behind the retina
• corrected with a convex lens

Answer 24

Hyperopia

Question 25

- lack of accommodation, due tot he ongoing of ciliary body | - convex lens needed for close work

Answer 25

Presbyopia

Question 26

-area of no receptors on retina near optic nerve

Answer 26

Blind spot

Question 27

Using 2 eyes to see, gives depth perception

Answer 27

Binocular vision

Question 28

Angle of vision without moving up the head, about 180'

Answer 28

Field of vision

Question 29

Vision to the side, best at detecting motion

Answer 29

Peripheral vision

Question 30

- higher the wave, the louder the sound - measured in decibels - to be loud, you more forcefully exhale

Answer 30

Loudness

Question 31

- number of sound waves in a set interval -frequency - measured in cycles per second ( cps) or Hertz (Hz) - Humans have range between: 16Hz - 20,000 Hz - - to increase pitch you need to tighten vocal cords and to decrease pitch you need to loosen vocal cords

Answer 31

Pitch

Question 32

-based on the smoothness of a wave

Answer 32

Timbre (quality)

Question 33

Air rumbles through sinuses, vibrates bones and soft tissues to give you quality to your voice

Answer 33

Physiology

Question 34

- build up of ear wax - -cured by cleaning out the wax - --irrigate it - --dug out manually - --candling - perforated eardrum - otitis media (middle ear infection) - -cured by antibiotics - otosclerosis - --fusing of the ossicles, lessen vibrates, a hearing aid helps this

Answer 34

Conduction problem

Question 35

- labyrinthitis - -inner ear infection dizziness is a symptom - menieres disease - - unknown cause dizziness but infection - --increase pressure in inner ear - --treatment: diet, surgery, medicine - auditory nerve tissue - temporal lobe issues

Answer 35

Sensineural Problems

Question 36

Symptom, not a disease, ringing in ears

Answer 36

Tinnitus

Question 37

-protective outer over, white of eye

Answer 37

Sclerotic coat (sclera)

Question 38

-allow light into the eye

Answer 38

Cornea

Question 39

-reduces the reflection of light

Answer 39

Choroid coat

Question 40

-regulates light intake

Answer 40

Iris

Question 41

-no function

Answer 41

Pupil

Question 42

-rods (dim) cones (color) receive light

Answer 42

Retina

Question 43

-sends image to brain, brain sees

Answer 43

Optic nerve

Question 44

-focusing an image

Answer 44

Lens

Question 45

-water, maintains eyeball shape

Answer 45

Aqueous Humor

Question 46

-jelly-like, maintain eyeball shape

Answer 46

Vitreous humor

Question 47

-adjust shape of the lens

Answer 47

Suspensory

Question 48

-enables changes in lens shape for light focusing

Answer 48

Ciliary Muscle

Question 49

-clearest vision

Answer 49

Fovea