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nerves > lab final 231 > Flashcards

lab final 231 Flashcards

1
Q

reflex arc

A

neural pathway of a reflex

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2
Q

autonomic (visceral) reflexes

A

regulate body function. BP, sweating, etc

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3
Q

somatic reflexes

A

involve skeletal muscles. maintain posture, balance, and locomotion

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4
Q

receptor

A

site of stimulus. goes to dorsal horn

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5
Q

sensory neuron

A

transmits afferent impulse to CNS

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6
Q

integration center

A

where sensory input is received and transferred to motor neurons (interneuron)

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7
Q

motor neuron

A

conducts efferent impulses to effector

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8
Q

effector

A

muscle fiber or gland that responds to efferent impulse

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9
Q

stretch reflex (achiles/patellar)

A

somatic

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10
Q

plantar reflex

A

somatic

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11
Q

gag reflex

A

somatic. ipsilateral

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12
Q

ciliospinal reflex

A

autonomic. ipsilateral pupil dilation in response to pain stimulus

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13
Q

salivary reflex

A

autonomic

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14
Q

parasympathetic division

A

feed and breed

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15
Q

sympathetic division

A

fight or flight

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16
Q

conus medullaris

A

L1/2. tapered end of the spinal cord

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17
Q

filum terminale

A

e

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18
Q

level of origin

A

ee

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19
Q

level of terminimation

A

e

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20
Q

length of cord

A

L1/2 except of peds

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21
Q

gray commissure

A

connecting of ventral and dorsal gray matter

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22
Q

denticulate ligaments

A

e

23
Q

gray mater

A

(light on slide)

24
Q

white mater

A

(dark on slide)

25
Q

dura mater

A

most superficial

26
Q

arachnoid layer

A

middle layer

27
Q

pia mater

A

deepest layer

28
Q

epidural space

A

between dura mater and bone

29
Q

subarachnoid space

A

contains SF

30
Q

cervical enlargement

A

change in width

31
Q

lumbar enlargement

A

change in width

32
Q

caudia equina

A

e

33
Q

spinal tap

A

l4/5

34
Q

central canal

A

CSF in the middle

35
Q

lateral horn

A

thoracic vertebrae (sympathetic NS)

36
Q

dorsal root

A

sensation coming in

37
Q

ventral root

A

motor information going out

38
Q

dorsal root ganglion

A

cell bodies of sensory neurons

39
Q

dorsal horn

A

numbness/sensation

40
Q

ventral horn

A

motor

41
Q

funiculus

A

columns of mater (post, lat, ant)

42
Q

spinal nerve

A

where dorsal and ventral meet and merge

43
Q

afferent

A

sensory

44
Q

efferent

A

motor

45
Q

ramus

A

where spinal nerve branches dorsal or ventral

46
Q

brachial plexus

A

e

47
Q

reflex

A

rapid and predictable motor response to stimulus

48
Q

ipsilateral reflex

A

cord reflex that remains on one side of the body (biceps/achilles reflexes)

49
Q

contralateral reflex

A

reflex that affects opposite side of body from stimulus

50
Q

cranial reflex

A

when integration center is in the brain

51
Q

spinal reflex

A

interconnections and processing take place in spinal cord

52
Q

monosynaptic reflex

A

sensory neuron synapse direction on motor neuron. delay is minimized. synapse IS integration center

53
Q

polysynaptic reflexes

A

there is at least one interneuron between sensory and motor. allows for more complex responses

54
Q

consensual reflex

A

occurs on both side at the same time

nerves (1 decks)

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