Senses Flashcards

1
Q

Examples of Autonomic Reflux

A

pupil constrics on both sides even if light is only shined in one eye

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2
Q

Exteroceptors

A

Detect stimuli from outside the body

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3
Q

Interoceptors

A

Detect stimuli from inside the body

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4
Q

Proprioceptors

A

Detect changes in stretch in joint tissues

This is what allows you to touch your nose with your eyes closed

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5
Q

Mechanoreceptors

A

Respond to touch, pressure, vibration, itch, and are also involved with hearing and equilibrium

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6
Q

Thermoreceptors

A

Respond to change in temperature

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7
Q

Photoreceptors

A

Respond to light stimuli

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8
Q

Chemoreceptors

A

Respond to blood chemistry changes

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9
Q

Nocireceptors

A

Respond to painful stimuli

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10
Q

Adaptation in Sensory Receptors

A

Decreased sensitivity to constant stimulus

Not noticing a smell after prolonged exposure

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11
Q

Types of Sensory Receptors

A
Nocireceptors
Chemoreceptors
Mechanoreceptors
Photoreceptors
Thermoreceptors
Proprioceptors
Interoceptors
Exteroceptors
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12
Q

Sensation

A

Awareness of a change in external environment

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13
Q

Perception

A

Conscious interpretation of stimuli

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14
Q

Layers of the retina

A

Pigmented Layer

Neural Layer

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15
Q

Pigmented Layer of Retina

A

Absorbs light, prevents it from scattering

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16
Q

Neural Layer of Retina

A

Photoreceptors here transduce light to nerve signal

17
Q

Function of Rods

A

Activated by dim light

Provide low acuity, non-color periphreal vision

18
Q

Function of Cones

A

Activated by bright light

Provide high acuity color vision

19
Q

Pathway of light into eye

A
Enters Cornea
Aqueous Humor
Lens
Vitreous Humor
Neural Layer of Retina
Photoreceptors
20
Q

Where is light refracted

A

At Cornea and entering and leaving Lens

21
Q

Function of Cochlea

A

Transduction of soundwaves to sensory signals

22
Q

Function of semicircular canals

A

Involved with dynamic equilibrium (Specifically angular acceleration)

23
Q

Function of Vestibule(utricle and saccule)

A

Detect static equilibrium and linear acceleration

24
Q

Receptors for hearing and equilibrium

A

Hair cells –> Mechanoreceptors