Senses Flashcards

(74 cards)

1
Q

Another name for senses

A

Afferent

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2
Q

Way that the nervous system receives information about external environment

A

Exteroception

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3
Q

Way the nervous system receives information about the internal environment

A

Interoception

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4
Q

Position and movement of the body

A

Proprioception

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5
Q

What is the conscious perception of sensory stimuli

A

Sensation

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6
Q

Modalities that arise primarily from innervation of body surfaces and musculoskeletal elements

A

Somatosensation

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7
Q

Scientific name of taste

A

Gustation

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8
Q

Scientific name for smell

A

Olfaction

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9
Q

Scientific name of sight

A

Vision

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10
Q

Scientific name of hearing

A

Audition

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11
Q

Scientific name of equilibrium

A

Vestibular sensation

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12
Q

The 5 special senses

A

Taste, smell, sight, hearing, equilibrium

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13
Q

Transduction

A

Way the nervous system changes environmental energy into electrical activity

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14
Q

5 general types of receptors

A

Mechanoreceptors, thermoreceptors, nociceptors, photoreceptors, chemoreceptor

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15
Q

Mechanoreceptor

A

Respond to physical deformation (stretch) and proprioception

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16
Q

Thermoreceptor

A

Respond to hold and cold

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17
Q

Nociceptor

A

Respond to stimuli that are injurious to tissue

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18
Q

Photoreceptors

A

Light receptors

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19
Q

Chemoreceptors

A

Responds to chemical changes

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20
Q

Encapsulated/nonencapsulated

A

Receptors can be described based on structure

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21
Q

Encapsulated receptors

A

Touch sensations

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22
Q

Nonencapsulated receptors

A

Painful stimuli

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23
Q

Portion of the ear that is visible on the outside of the head

A

Pinna

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24
Q

Elastic cartilage that provides the shape of the pinna

A

Auricular cartilage

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25
Extension of the pinna
External acoustic canal
26
Canal that is lined with modified skin that contains hairs & sebaceous and ceruminous glands
External acoustic canal
27
What do the sebaceous and ceruminous glands secrete
Cerumen
28
Function of cerumen
Protects the ear canal
29
Cartilage that forms the external acoustic canal
Annular cartilage
30
Middle ear space
Tympanic cavity
31
What is the tympanic cavity contained with
Temporal bone
32
The three auditory ossicles
Malleus, incus, stapes
33
Malleus shape
Hammer
34
Incus shape
Anvil
35
Stapes shape
Stirrup
36
What is transmitted from the tympanic membrane, through the ossicles, to the oval window
Vibrations
37
Two muscles within the middle ear
Tensor tympani and stapedius
38
Function of the tensor tympani and stapedius
Dampening vibrations of loud noises
39
The inner ear is completely within the
Temporal bone
40
What is the inner ear
Membranous labyrinth
41
What does the inner ear detect
Sound and acceleration of the head
42
Primary features of the membranous labyrinth
Utricle & saccule, semicircular ducts, cochlear duct
43
Utricle and saccule
The two enlargements of the inner ear
44
Semicircular ducts
The three loops attached to the utricle of the inner ear
45
Cochlear duct
Spiral of the inner ear
46
What are the utricle & saccule, semicircular ducts, and the cochlear duct filled with
Endolymph
47
The inner ear’s two parts
Cochlear and vestibular apparatus
48
The three tunics of the eyeball
Fibrous, vascular, nervous
49
Which tunic is outermost and an example
Fibrous , cornea
50
Which tunic is the middle and one example
Vascular, iris
51
Which tunic is the innermost and an example
Nervous, retina
52
Allows light to pass easily and is the most powerful refracting layer of the eye
Cornea
53
Five factors that makes the cornea transparent
Lack of vascular elements, lack of pigment, dehydration of collagenous tissue, smooth optical surface, laminar pattern of collagen
54
Which animal has more cornea compared to sclera
Cats
55
Transparent proteinaceous biconvex disco, between the posterior and vitreous chamber
Lens
56
Accommodation
Focusing on near objects
57
Which animal has the most accommodation
Cats
58
The only part normally visible of living animals
Iris
59
Controls the amount of light that enters the posterior part of the eye by changing the size of the pupil
Iris
60
Pupil shape of domestic herbivores and pigs
Horizontal
61
Pupil shape of cats
Vertical and elliptical
62
Iris shape of dogs
Circular
63
Two types of humors of the eye
Aqueous and vitreous
64
Aqueous humor functions
Provides nutrition to the cornea and lens, removes waste products, maintains pressure
65
Glaucoma
When the aqueous humor can’t drain anymore, is reassured into venous circulation, causing an increase in intraocular pressure
66
Deepest layer of the eyeball
Retina
67
The retina contains two specialized receptor cells
Rods and cones
68
Which photoreceptor is sensitive to light
Rods
69
Which photoreceptor is sensitive to color
Cones
70
Portion of the retina that can be viewed with a opthalmoscope
Ocular fundus
71
To see better in the dark, many animals have increased _____
Concentration of rhodopsin
72
Animals have the ability to increase what to help them see at night
Increase the diameter of the pupil
73
Tapetum
Colorful reflective layer of animals that allows light to be reflected back on the retina
74
Function of tapetum
Enhances vision in low light