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Physiology > Chapter 12: Somatic & Special Senses > Flashcards

Chapter 12: Somatic & Special Senses Flashcards

0
Q

Name the largest papillae of the tongue

A

Circum vallate

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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

Few molecules/ Chemicals

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4
Q

Name the 5 primary taste sensations

A

Sour, salty, sweet, bitter, and umami

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5
Q

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

A

Rods and cones

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6
Q

Name the structures that protect the eye

A

Eyebrows, eyelashes, and eyelids

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7
Q

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

A

Near point

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8
Q

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

A

Conjunctiva

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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

Binocular vision

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10
Q

A touch receptor is an example of this type of receptor

A

Mechanoreceptors

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11
Q

The process that adjusts the lens for near vision

A

Accommodation

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12
Q

Light energy initiates nerve impulse in what structure

A

Retina

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13
Q

A sex linked trait; lacking cones

A

Colorblind

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14
Q

Centra Fovea

A

In what area of they eye are cones most densely concentrated

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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

Reffered pain

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17
Q

What receptors work to allow color vision

A

3 kind 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

Eyebrows Eyelids Eyelashes Eye muscles Lacrimal apparatus

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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 rays

A

Choroid

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24
Q

In what area do humans have the sharpest vision

A

Central fovea

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25
Q

In what process are the maculae and semi circular canal involved

A

Equilibrium

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26
Q

The equilibrium apparatus concerned with maintaining posture

A

Maculae of vestibule

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27
Q

The structure(s) for dynamic(motion) equilibrium

A

Semi circular canal

28
Q

What makes up the bony labyrinthn

A

Cochlea, vestibule, semicircular canal

29
Q

The ear structure that converts sound waves into vibrations

A

Tympanic membrane

30
Q

A balance disorder which causes a person to feel that they are going around in space and are extremely dizzy

A

Vertigo

31
Q

Disorder caused by fusion of the bones of the middle ear

A

Conduction deafness

32
Q

A constant ringing in the ears

A

Tinnitus

33
Q

The structure that helps equalize air pressure on the tympanic membrane

A

Eustachian tube

34
Q

A disorder caused by nonfunctional organs of cordi within the cochlea

A

Sensorinewal deafness

35
Q

What is created when hair cells come in contact with tectorial membrane

A

Impulse

36
Q

What is the purpose of static equilibrium

A

Balance

37
Q

Sound waves directly cause what structure to vibrate

A

Tympanic

38
Q

Nociceptors are receptors of _______?

A

Pain

39
Q

Block the formulation of chemicals that stimulate the nociceptors

A

Analgesics

40
Q

Responsible for vision in bright light

A

Cones

41
Q

Responsible for vision in dim light

A

Rods

42
Q

Changes the shape of the lens

A

Ciliary muscle

43
Q

Controls light entry into eyes

A

Iris

44
Q

Focus light onto the retina

A

Lens

45
Q

Central area of retina

A

Macula lutea

46
Q

Nearsightedness

A

Myopia

47
Q

Farsightedness

A

Hyperopia

48
Q

Focusing of light rays behind the retina

A

Vitreous chamber

49
Q

Corrected by convex corrective lens

A

Hyperopia

50
Q

Fluid in the anterior cavity of the eye

A

Aqueous humor

51
Q

Excess fluid pressure in the eye

A

Glaucoma

52
Q

Clouding of the lens and or cornea

A

Cataract

53
Q

Lens that has lost its elasticity with age

A

Presbyopia

54
Q

Fluid in the posterior cavity of the eye

A

Vitreous humor

55
Q

Normal vision

A

Visual acuity

56
Q

Irregular curvature of the lens or cornea

A

Astigmatism

57
Q

How many molecules of a substance need to be present in the air to be smelled

A

A few

58
Q

How are taste and smell related

A

Taste in auditory

59
Q

These papillae cover most of the surface of the tongue and rarely contain taste buds

A

Filli form

60
Q

The lateral edges of the tongue are more sensitive to what substances

A

Sour

61
Q

What substance maintains the pressure in the eye

A

Aqueous humor

62
Q

Where does the aqueous humor drain

A

Blood

63
Q

The structure commonly know as the “white” of the eye

A

Sclera

64
Q

What is the shape of the lens when you view distant objects

A

Flat

65
Q

Which type of equilibrium refers to maintenance of body position (as in posture)

A

Static

66
Q

The nerve that carries impulses from our eyes to the occipital lobe of the brain

A

Optic nerve

67
Q
A

A. anterior cavity

B. choroid cavity

C. central fovea

D. ciliary body

E. cornea

AB. iris

AC. lens

AD. optic disc

AE. optic nerve

BC. posterior cavity

BD. pupil

BE. retina

CD. sclera

CE. suspensory ligament

68
Q
A

A. auricle (pinna)

B. cochlea

C. eustachian tube

D. external auditory canal

E. incus

AB. malleus

AC. round window

AD. semicircular canal

AE. stapes

BC. tympanic membrane

BD. vestibulocochlear nerve

Physiology (27 decks)

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