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anatomy and physiology > Chapter 16 > Flashcards

Chapter 16 Flashcards

1
Q

sensory receptors provide information about

A

external and internal environments

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2
Q

receptors main purpose is to respond to

A

stimuli

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3
Q

stimuli helps us maintain

A

homeostasis

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4
Q

photorecetors respond to

A

light energy

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5
Q

hair cells respond to

A

sound waves

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6
Q

transducers convert

A

stimlus energy to elercrical

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7
Q

ion gated channels (voltage gated)

A
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8
Q

how to transducers convert energy

A

by changing resting membrane potentions by opening gated channels

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9
Q

what ions are involved in converting stimuli

A

sodium, potasium, calcium

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10
Q

send electrical signals down nerves using

A

ion gated channels

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11
Q

how many types of general receptors are there

A

2

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12
Q

what are the types of general sense receptors

A

somatic sensory receptors, visceral sensory receptors

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13
Q

somatic sensory receptors

A

skin and mucous membranes; proprioceptors of joints muscles and tendons

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14
Q

visceral sensory receptors

A

found in walls of internal organs, they monitor stretch, chemical environment, temp, and pain

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15
Q

special sense are specialized and comprised in sense organs in the

A

head

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16
Q

5 special senses

A

olfaction, auditory, gustation, vision, equilibrum

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17
Q

caterization by stimulus origin

A

exterorecptors, interreceptos, proprioceptoes

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18
Q

exterocepots

A

detect stimuli from external environment

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19
Q

interoceptors

A

detect stimuli from internal organs

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20
Q

proprioceptors

A

detect body and limb movements

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21
Q

categorization by mdality of stimulus(stimulus agent) relates to what 5 types

A

chemoreceptors, thermoreceptors, photoreceptors, mechanoreceptors, and nociceptors

22
Q

chemoreceptors detect

A

chemicals dissolved in fluid

23
Q

thermoreceptors detect changes in

A

temperature

24
Q

chemoreceptors can include receptors for _________ or ______

A

external environment or internal environment

25
Q

thermoreceptors include receptors in

A

skin, hypothalamus

26
Q

photoreceptors detect changes in

A

light

27
Q

photoreceptors are located in the

A

eye

28
Q

mechanoreceptors are found

A

all over the body

29
Q

mechanoreceptors detect distortion of

A

cell membrane

30
Q

mechanorecerptors function as

A

baroreceptors, proprioceptors, tactile receptors, and specialized receptiors in inner ear

31
Q

mechnoreceptors respond to

A

touch, stretch, vibration, and pressure

32
Q

nociceptors detect

A

pain

33
Q

nociceptors are found

A

ineternally and externally

34
Q

tactile receptors can be considered

A

encapsulated or unencapsulated

35
Q

unencapsulated tactile receptors are things like

A

free nerve endings

36
Q

encapsulated tactile receptors are things like

A

tactile corpuscle and lamelated corpuscle

37
Q

tactile receptor are abunant ______ of skin and mucous

A

mechanoreceptors

38
Q

free nerve endings are

A

unencapsulated

39
Q

free nerve endings are _________ end of sensory neurons

A

dendritic

40
Q

free nerve endings have no

A

protective cover

41
Q

free nerve endings are terminal ends of

A

sensory neuron dendrites

42
Q

simpelst tactile receptor is

A

free nerve endings

43
Q

free nerve endings reside close

A

to skin surface and in mucous mebrane

44
Q

free nerve endings are mainly for

A

pain , temperature, light touch, pressure

45
Q

root hair plexuses weap around

A

hair follicle

46
Q

root hair plexuses are located in

A

deeper layer of dermis

47
Q

root hair plexuses detect hair

A

displacement

48
Q

unencapsulated taxtile receptors include _______ discs

A

tactile

49
Q

tactile discs flattened _____ of sensroy neurons

A

endings

50
Q

flattened endings of sensroty neurons jelp extend to

A

tactile cells (merkel cells)

51
Q

tactile disc respond to

A

light touch

52
Q
A

anatomy and physiology (17 decks)

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