Week 9- Eye Part 2 and Ears

Question 1

Hyperopia

Answer 1

farsightedness

-can see far away, not close

Question 2

Myopia

Answer 2

nearsightedness

can see near, not far

Question 3

Presbyopia

Answer 3

impairment of vision as a result of old age

Question 4

clouding of the lens, causing decreased vision; degenerative eye disease linked to aging; caused by a protein that aggregates in the lens

Answer 4

cataract

Question 5

increased intraocular pressure results in damage to the retina and optic nerve with loss of vision; inability of aqueous humor to drain from the eye and enter the bloodstream

Answer 5

glaucoma

Question 6

progressive damage to the macula of the retina; severe loss of central vision with peripheral vision being retained

Answer 6

macular degeneration

Question 7

two layers of the retina separate from one another; due to trauma, head injuries, bleeding, scarring which produce holes or tears in the retina; photopsia (bright flashes of light), floaters (black spots or filmy shapes), “curtain falling across the field of vision”

Answer 7

retinal detachement

Question 8

Sound waves enter the ear through the _____

Answer 8

pinna, or auricle

Question 9

auditory canal name

Answer 9

external auditory meatus

Question 10

What are the parts of the outer ear?

Answer 10

1. pinna

2. external auditory meatus

Question 11

membrane between the outer and middle ear called the _______

Answer 11

tympanic membrane, or eardrum

Question 12

three small bones in the middle ear that conduct sounds waves

Answer 12

ossicles

Question 13

what are the 3 ossicles1

Answer 13

1. malleus- hammer
2. incus- anvil
3. stapes- the stirrup

Question 14

The stapes moves and then touches the _________, a membrane that separates the middle and inner ear

Answer 14

oval window

Question 15

what are the parts of the middle ear?

Answer 15

1. eardrum
2. malleus- hammer
3. incus- anvil
4. stapes- the stirrup
5. oval window

Question 16

canal/tube leading from the middle ear to the pharynx, that works to prevent damage to the eardrum and shock to the middle and inner ears

Answer 16

Eustachian Tube

Question 17

what is another name for the inner ear

Answer 17

labyrinth cause it is twisty

Question 18

he part of the labyrinth that leads from the oval window is a bony, snail shell-shaped structure called the _______

Answer 18

cochlea

Question 19

what are the parts of the inner ear?

Answer 19

cochlea

Question 20

semicircular canals help with what?

Answer 20

balance

Question 21

inflammation of the middle ear

Answer 21

Otitis media -

Question 22

sensation of noises like ringing, buzzing, whistling, booming in the ears; many known causes

Answer 22

Tinnitus

Question 23

sensation of irregular or whirling motion either of oneself or of external objects

Answer 23

vertigo