Chapter 12 Flashcards

0
Q

Name the largest papillae of the tongue

A

Circumuallate

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1
Q

Sour is best tasted in which portion of the tongue

A

Sides

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2
Q

What type of sensory organs are the gustatory organs

A

Taste

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3
Q

What type of stimulus is required for olfactory reception to occur

A

A few molecule chemical

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4
Q

Name the five primary taste sensations

A
Sour 
Sweet 
Bitter 
Salty 
Umami
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5
Q

What is lacking in the blind spot so that it has no vision capability

A

Bones and cones

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6
Q

Name structures that protect the eye

A

Eyelid
Eyebrows
Eyelashes

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7
Q

What is the term we use to describe the closest at which sharp focus is attained by the eyes

A

Near part

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8
Q

The thin transparent mucous membrane covering the anterior of the eye and lining the eyelids

A

Conjunctive

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9
Q

The ability of the eyes to focus together so that we see only one image and have depth perception

A

Bipolar vision

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10
Q

A touch receptor is an example of this type of receptor

A

Mechanarecpter

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11
Q

The process that adjust the lens for near vision

A

Accommodation

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12
Q

Light energy initiates nerve impulses in what structure

A

Rentia

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13
Q

A sex linked trait lacking cones

A

Color blindness

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14
Q

In what area of the eye are cones are most densely concentrated

A

Central fovae

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15
Q

The colored part of the eye

A

Iris

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16
Q

A kind of pain often experienced by people suffering a heart attack

A

Referred

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17
Q

What receptors work to allow color vision

A

3 kinds of cones

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18
Q

What is the term we use to describe bringing each eye to focus at the same point

A

Convergence

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19
Q

The bending of light rays as they pass from the air through the cornea and lens

A

Refraction

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20
Q

List the accessory structures of the eye

A
Eyebrow 
Eyelids 
Eyelashes 
Conjunctive 
Lacrimal Paramus eye muscles
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21
Q

Where does most of our refraction occur

A

Cornea

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22
Q

The outermost layer of the retina that contains melanin to absorb light rays

A

Pigment epithelium

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23
Q

The structure that provides blood for the eye and absorbs scattered light

A

Choroid

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24
In what area do humans have the sharpest vision
Central fovea
25
In what process are the macular and semicircular canals involved
Equilibrium
26
The equilibrium apparatus concerned with maintaining posture
Maculae of the vestibule
27
The structure(s) for dynamic (motion) equilibrium
Semicircular canals
28
What makes up the bony labyrinth
Semicircular canals vestibule
29
The ear structure that converts sound waves into vibrations
Tympanic membrane
30
A Balance disorder which causes a person to feel that they are going around in space and are extremely dizzy
Vertigo
31
A disorder caused by fusion of the bones of the middle ear
Conduction deafness | otosclerosis
32
A constant ringing in the ears
Tinnitus
33
The structure that helps equalize air pressure on the tympanic membrane
Eustanchan tube
34
A disorder caused by nonfunctional organs if corti within the cochlea
Sensorineural deafness
35
What is created when hair cells come in contact with tectorial membrane
An impulse
36
What is the purpose of static equilibrium
Balance
37
Sound waves directly cause what structure to vibrate
Tympanic membrane
38
Nociceptors are receptors of ___
Pain
39
Block the information of chemicals that stimulate the nociceptor
Analgesics
40
Responsible for vision in bright light
Cones
41
Responsible for vision in dim light
Rods
42
Changes the shape of the lens
Ciliary muscles
43
Controls light entry into eyes
Iris
44
Focus light onto the retina
Lens
45
Central area of retina
Macula lutea
46
Farsightedness
Hyperopia
47
Focusing of light rays behind the retina
Hyperopia
48
Corrected by convex corrective lens
Hyperopia
49
Fluid in the anterior cavity of the eye
Aqueous humor
50
Excess fluid pressure in the eye
Glaucoma
51
Clouding of the lens and /or cornea
Catoract
52
Normal vision
Emmetropia
53
Irregular curvature of the lens or cornea
Astigmatism
54
How many molecules of a substance need to be present in air to be smelled
Only a few
55
How are taste and smell related
Much of what we perceive as taste is actually smell
56
These papillae cover most of the surface of the tongue and rarely contain taste buds
Filiform
57
The lateral edges of the tongue are most sensitive to what substances
Sour
58
What substance maintains the precession in the eye
Aqueous humor
59
Where does the aqueous humor drain
Into the blood
60
The structure commonly known as the "white" of the eye
Sclera
61
What is the shape of the lens when you view distant objects
Flat
62
Which type of equilibrium refers to the maintenance of body position (as in posture?)
Static
63
The nerve that carries impulses from our eyes to the occipital lobe of the brain
Optic
64
Nearsightedness
Myopia
65
fluid in the posterior cavity of the eye
Vitreous humor