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Anatomy and Physiology > SPECIAL SENSES 15PTS > Flashcards

SPECIAL SENSES 15PTS Flashcards

1
Q

nerve endings that respond to the
stimuli by activating action potential

A

SENSORY receptor

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2
Q

respond to mechanical stimuli

A

Mechanoreceptors

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3
Q

respond to chemicals

A

Chemoreceptors

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4
Q

responds to light

A

Photoreceptors

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5
Q

responds to temperature

A

Thermoreceptors

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6
Q

responds to pain

A

Nocicereceptors

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7
Q

may be somatic or visceral

A

General

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8
Q

Specific

A

Special senses

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8
Q

3 types of physical phone

A

Localized, defused, radiated

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9
Q

coming from 1 part of the body

A

Localized

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9
Q

spread
Ex: headache spreading through your lobes

A

Radiated

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10
Q

Not the direct source of the stimulus

A

Referred

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11
Q

detects light & touch & superficial
pressure

A

Merkel Cells

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12
Q

detects light touch

A

Hair follicle pressure

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13
Q

Responsible for smell

A

Nose

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14
Q

How many diff smells

A

10,000

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15
Q

odor is dissolved

A

Nasal Cavity

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16
Q

picking up the odor, polarizing, and carrying
to the olfactory

A

Dendrite

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17
Q

will deliver

A

Axon

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18
Q

frontal lobe & temporal lobe processes the smell

A

CN1

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19
Q

Soft tissue that is prone in the upper respiratory
function

A

Tongue

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20
Q

taste buds are located

A

Papillae

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21
Q

contains taste cell & taste hair

A

Taste buds

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22
Q

parietal lobe processes the taste

A

CN9

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23
surface of the eyeball that’s covered in a special type of epithelium
Conjunctiva
24
consists of the lacrimal gland & ducts that drain tears into the nasal cavity
Lacrimal apparatus
25
produces tears
Lacrimal gland
26
canals that collects the tears
Lacrimal canaculi
27
goes down to the sac that connects to nasal
Lacrimal sac
28
Keeps eye shape
Fibrous tunic
29
Firm white eye that is a connective tissue ➔ Protects internal structure of the eye
Sclera
30
Transparent interior that permits light to enter ➔ May refract or bend as the light enters
Cornea
31
Rich blood nutritive tunic that contains a dark pigment
Corocoid
31
Consists of the iris, ciliary body & choroid layer ▪ Iris ▪ Colored part of the eye ▪ increases or decreases the size of the pupil in accordance to how bright the light is
Vascular tunic
32
Anterior part of the vascular tunic ➔ Attached to the lens by a suspensory ligament called ciliary zonule
Cilliary body
33
Biconvex & flexible, not fixed in shape
Lens
34
Provides nutrients in the inner part of the eye
Anterior aqueous segment
35
Jelly-like substance ➔ Helps the pressure in the eye
Posterior vitreous segment
36
constrict
Peripheral
37
Dilate
Sympathetic
38
Fluid pressure of the eye
Intraocular pressure
39
Normal IOP –
10-21
40
Increased IOP
Glaucoma
41
Optic (helps to see)
Cn2
42
movement of the eye)
Cn 3,4
43
Comes out or exits the eye at a spot known as the optic disc or our blind spot
Optic nerve
44
Blind spot
Optic disc
45
Fibers from the medial side of each eye cross over to the opposite side of the brain
Optic chiasm
46
Result of the fiber tracts
Optic tracts
47
outside portion of the head going to tympanic membrane
External ear
48
The ear ➔ surrounds the auditory canal opening ➔ Made out of cartilage & doesn’t have any bone
Auricular pinna
49
Short narrow chamber carved into the temporal bone of the skull
External meatus
50
skin-lined walls that secrete cerumen
Cerominous glands
51
provides a sticky trap for foreign bodies & repels insects
Cerumen
52
Tympanic membrane
separates the external from the middle ear
53
Small, air-filled, mucosa-lined cavity within the temporal bone
Tympanic activity
54
bony wall with 2 openings
Oval window
55
membrane-covered
Round window
56
Connection to the nasopharynx
Auditory eustuchean tube
57
Smallest bone
Auditory ossicles
58
attached to the medial
Malleus
59
connects malleus and stapes
Incus
60
seated at the oval window surrounding flexible ligaments
Stapes
61
snail shaped cavity ➔ Sensitive in auditory sensation
Cochlea
62
key components for postural reflexes and eye movement ➔ Situated between semicircular canals & cochlea
Vestibule
63
helps in hearing
Cn 8
64
helps in balancing ➔ orientated at right angles
Semicircular canal

Anatomy and Physiology (8 decks)

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