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Physiology Test > Chapter 8 > Flashcards

Chapter 8 Flashcards

1
Q

Wha are the Bone Structures?

A
  • frontal
  • zygomatic
  • maxilla
  • lacrimal
  • ethmoid
  • sphenoid
  • palatine
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2
Q

Eyelids

A
  • cleansing the eye
  • closing from flying object
  • closing from bright light
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3
Q

Eyelashes

A

-catch debris

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4
Q

Eyebrows

A
  • prevent sweat from entering eye
  • catch debris
  • like an awning -sunlight
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5
Q

Lacrimal apparatus

A
  • tears
  • -99% water
  • -1% salt, mucus, lysozyme
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6
Q

Conjunctiva (lining of eyelid)

A

-wash away debris and microorganism

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7
Q

Infection of the conjunctiva

A

Conjunctivitis (pink eye)

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8
Q

Adipose (behind eye)

A

-absorb shock

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9
Q

Outside of eyeball is called

A

Extrinsic Muscle

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10
Q

Up (look)

A

Superior rectus

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11
Q

Down (look)

A

Interior rectus

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12
Q

Look medial

A

Medial rectus

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13
Q

Look lateral

A

Lateral rectus

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14
Q

Roll eyes

A

Superior oblique

Interior oblique

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15
Q
  • medial doctor with specialty in care and diseases of the eye
  • surgeries prescribes any medicines
A

Ophthalmologist (M.D.)

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16
Q
  • oplometry school (no med school)

- prescribe som medicines, perform simple surgeries

A

Optometrist (O. D.)

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17
Q
  • goes to technical school

- makes lens-glasses or contracts according to a prescription

A

Optician

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18
Q

Eyelid infection

A

Sky

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19
Q

Pink eye (membrane infection)

A

Conjunctivitis

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20
Q

Irregular curvature of the cornea

A

Astigmatism

21
Q

Clouding of lens

A

Cataract

22
Q
  • Rise in pressure of aqueous

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

A

Glaucoma

23
Q
  • near sightedness
  • image focuses in front of the retina
  • corrected with a concave lens
A

Myopia

24
Q
  • Farsightedness
  • image focuses behind the retina
  • corrected with a convex lens
A

Hyperopia

25
Q
  • lack of accommodation, due tot he ongoing of ciliary body

- convex lens needed for close work

A

Presbyopia

26
Q

-area of no receptors on retina near optic nerve

A

Blind spot

27
Q

Using 2 eyes to see, gives depth perception

A

Binocular vision

28
Q

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

A

Field of vision

29
Q

Vision to the side, best at detecting motion

A

Peripheral vision

30
Q
  • higher the wave, the louder the sound
  • measured in decibels
  • to be loud, you more forcefully exhale
A

Loudness

31
Q
  • 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
A

Pitch

32
Q

-based on the smoothness of a wave

A

Timbre (quality)

33
Q

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

A

Physiology

34
Q
  • 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
A

Conduction problem

35
Q
  • 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
A

Sensineural Problems

36
Q

Symptom, not a disease, ringing in ears

A

Tinnitus

37
Q

-protective outer over, white of eye

A

Sclerotic coat (sclera)

38
Q

-allow light into the eye

A

Cornea

39
Q

-reduces the reflection of light

A

Choroid coat

40
Q

-regulates light intake

A

Iris

41
Q

-no function

A

Pupil

42
Q

-rods (dim) cones (color) receive light

A

Retina

43
Q

-sends image to brain, brain sees

A

Optic nerve

44
Q

-focusing an image

A

Lens

45
Q

-water, maintains eyeball shape

A

Aqueous Humor

46
Q

-jelly-like, maintain eyeball shape

A

Vitreous humor

47
Q

-adjust shape of the lens

A

Suspensory

48
Q

-enables changes in lens shape for light focusing

A

Ciliary Muscle

49
Q

-clearest vision

A

Fovea

Physiology Test (9 decks)

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