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Exam 13-16 > Chap 15 > Flashcards

Chap 15 Flashcards

1
Q

retina is the _____ tunic of the eyeball

A

nervous

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2
Q

a condition characterized by abnormal intraocular pressure;

A

glaucoma

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3
Q

light rays converge, reach a point at they cross. This point is called;

A

focal point

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4
Q

3 taste buds;

A
  • fungiform papilla
  • vallate papilla
  • foliate papilla
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5
Q

3 auditory ossicles in middle ear (from tympanic membrane to the oval window);

A
  • malleus
  • incus
  • stapes
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6
Q

_____ cells & _____ cells are continuously replaced (10 days).

A
  • taste

- olfactory

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7
Q

______ is the only major sensation that relay directly to the cerebral cortex without first pass through the thalamus

A

olfaction (smell)

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8
Q

optic nerve are connect to each other at the ______. Ganglion cell axons from the nasal retina cross through this and project to the opposite side of the brain

A

optic chiasm

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9
Q

jelly-like substance found in the largest chamber of the eye;

A

vitreous humor

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10
Q

middle ear contains 3 auditory ossicles;

A
  • malleus
  • incus
  • stapes
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11
Q

vibration pass from external to inner ear:

A
  1. tympanic membrane
  2. malleus
  3. incus
  4. stapes
  5. oval window
  6. perilymph
  7. endolymph
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12
Q

a substance dissolved in saliva that causes taste cells to depolarize;

A

tastant

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13
Q

inner ear structure;

A
  • cochlea
  • semicircular membrane
  • vestibule
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14
Q

optic disk does not contain photoreceptors and does not respond to the light;

A

blind spot

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15
Q

function of sclera;

A
  • provides a point of attachment for the eye muscles
  • maintain shape of eye
  • protects internal structures
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16
Q

avascular, transparent, allows light to enter the eye and refracts light;

A

cornea

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17
Q

regulates amount of light that enters eye by controlling the size of the pupil;

A

iris

18
Q

transparent, biconvex structure that focuses light;

A

lends

19
Q

converts light into action potentials;

A

retina

20
Q

5 major tastants;

A
  • salt
  • sour
  • sweet
  • bitter
  • glutamate (amino acids)
21
Q

the sensory structure within the vestibule (Utricle & Saccule) that responds to gravity is;

A

macula

22
Q

____ neurons are continuously replaced

A

olfactory

23
Q

6 extrinsic eye muscles;

A
  • superior rectus
  • inferior rectus
  • medial rectus
  • lateral rectus
  • superior oblique
  • inferior oblique
24
Q

3 eye chambers;

p. 513

A
  • anterior
  • posterior
  • vitreous
25
Q

______ membrane separates external ear from middle ear

A

tympanic

26
Q

2 visual fields;

A
  • temporal (lateral)

- nasal (medial)

27
Q

_____ window membrane is a mechanical release for waves, and relief of pressure

A

round

28
Q

static labyrinth involved in evaluating the position of head relative to gravity, has;

A
  • utricle

- saccule

29
Q

dynamic labyrinth is involved in evaluating ______ of the head

A

movement

30
Q

conjunctiva

A

mucus membrane covering the anterior surface of the eyeball / lining the lids

31
Q

vibration transfers (5 location);

A
  1. tympanic membrane
  2. malleus
  3. incus
  4. stapes
  5. oval window
32
Q

function of sclera;

A
  • maintain the shape of eyeball
  • protects its structures
  • attachment point for the muscles that move eye
33
Q

earwax is called;

A

cerumen

34
Q

avascular, transparent structure that permits light to enter the eye is;

A

cornea

35
Q

vestibule and semicircular canals of bony labyrinth (inner ear) are involved in;

A

balance

36
Q

cochlea of bony labyrinth (inner ear) functions in;

A

hearing

37
Q

optic disk;

A
  • retinal artery enters, and retinal vein exits the eyeball
  • nerve process and exit as optic nerve
  • no-photoreceptor cells= blind spot
38
Q

group of smells;

A
  • camphoraceous (strong smell)
  • musky
  • floral
  • peppermint
  • ethereal
  • pungent
  • putrid
39
Q

location of the lens;

A

between posterior and vitreous chamber by suspensory ligaments

40
Q

lost olfactory cells are replaced by a proliferation of ________ in the olfactory epithelium

A

basal cells

Exam 13-16 (4 decks)

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