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Structure and Function > chapter 10 > Flashcards

chapter 10 Flashcards

1
Q

parts of the eye

A
  • iris
  • vitreous body
  • cornea
  • aqueous humor
  • retina
  • conjunctiva
  • optic nerve
  • lens
  • sclera
  • optic disk
  • lacrimal ducts
  • rods and cones
  • choroid
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2
Q

governs the size of the pupil

A

iris

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3
Q
  • soft and jelly-like
  • shapes the eye
A

vitreous body

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4
Q

clear portion of the sclera that covers the anterior of the eye

A

cornea

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5
Q
  • watery fluid
  • maintains corneas
  • constantly produced and drained
A

aqueous humor

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6
Q
  • deepest layer of the tunic
  • is the eyes actual receptor layer
  • contains photoreceptors
A

retina

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7
Q
  • lines the inner surface of the eyelids
  • folds back to cover the visible portion of the white of the eye
A

conjunctiva

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8
Q
  • carries visual impulses from retina to brain
A

optic nerve

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9
Q
  • adjusts to help focus the light
A

lens

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10
Q
  • the whites of the eye
  • the fibrous tunic
  • the outermost tunic
A

sclera

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11
Q
  • no images form in retina yet
  • known as the blind spot
A

optic disk

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12
Q

helps drain tears made by lacrimal glands

A

lacrimal ducts

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13
Q
  • in your retina
  • light sensitive cells
  • generate nerve impulses
A

rods and cones

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14
Q
  • middle tunic
  • vascular
  • contains melanin
A

choroid

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15
Q

parts of the ear

A
  • ossicles
  • pinna or auricle
  • eustachian tube
  • cochlea
  • tympanic membrane
  • malleus
  • incus
  • stapes
  • vestibular
  • semicircular canals
  • Organ of Corti
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16
Q

3 small bones in the middle ear

A

ossicles

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17
Q

visible and its external portion of the ear

A

pinna or auricle

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18
Q

connects the middle ear cavity and pharynx

A

eustachian tube

19
Q

coil like snail shell in the inner ear and contains organ of hearing (corti)

A

cochlea

20
Q

separates outer ear from the middle ear

A

tympanic membrane

21
Q
  • first bone (ossicle) of the ear
  • in contact with eardrum
  • hammer shaped
A

malleus

22
Q
  • shaped live anvil
  • helps amplify sound
A

incus

23
Q
  • innermost ossicle
  • in contact with the oval window of the inner ear
  • shaped like a stirrup
A

stapes

24
Q
  • consists of 2 chambers
  • contain receptors for equilibrium
A

vestibular

25
Q
  • areas for receptors for equilibrium
  • 3 tubes
A

semicircular canals

26
Q
  • long strip of hair cells
  • known as spiral organ
A

Organ of Corti

27
Q

the special senses

A
  • taste
  • smell
  • sight
  • equilibrium
28
Q

the general senses

A
  • touch
  • pressure
  • temperature
  • position
  • pain
29
Q

neurons embedded in the epithelium of the nasal cavity’s superior region; neurons react with smell chemicals; involved with sense of smell

A

Olfactory epithelium

30
Q

parts of the tongue and which area are sensitive to sweet, sour, salty, bitter, and umami

A
  • located on a mainly superior surface on tongue
  • enclosed on rained projections called papillae
31
Q

the function of the Vestibularcochlea nerve and what cranial nerve is it

A
  • Cranial nerve 8
  • receptors for equilibrium
  • balance
  • transmits sensory information for balance
  • from inner ear to brain
32
Q

the purpose of analgesics

A

relieve pain by blocking the sensation of pain within the body; more of a pain control

33
Q

sensory adaptation

A

the way the body adjusts to different stimuli

34
Q

oto-

A

ear

35
Q

opthalmo-

A

eye

36
Q

scope-

A

instrument to examine

37
Q

propri/o

A

own

38
Q

esthesia

A

sensation

39
Q

alges/i

A

pain

40
Q

the 4 structures that protect the eyes and describe the contribution of each

A
  • skull
  • eyelid and eyebrow
  • tears
  • conjunctiva
41
Q

skull (eye orbit)

A
  • protects eye
  • bony orbit protects the posterior portion
42
Q

eyelid and eyebrow

A
  • protects the anterior portion of the eye
  • keeps foreign substances out of eye
43
Q

tears

A

lubricates eye

44
Q

conjunctiva

A

lines eyelids and part of sclera

Structure and Function (22 decks)

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