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Ana > Ch 14 Lec 2 - Spinal Cord and Spinal Nerves > Flashcards

Ch 14 Lec 2 - Spinal Cord and Spinal Nerves Flashcards

1
Q

these braid off ventral rami

A

nerve plexuses

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2
Q

regions where nerve plexuses are found

A

cervical, lumbar, sacral

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3
Q

most blank nerves are all isolated

A

thoracic

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4
Q

the cervical plexus goes through blank and blank and part of blank

A

c1-c4, c5

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5
Q

cervical plexus is not the only blank that goes through the cervical blank

A

plexus, vertebrae

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6
Q

plexus that innervates certain muscles of neck and torso

A

cervical plexus

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7
Q

nerve of cervical plexus that goes to the diaphragm

A

phrenic nerve

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8
Q

the phrenic nerve goes through blank blank and blank

A

c3, c4, c5

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9
Q

other plexus that comes off the cervical vertebrae

A

brachial plexus

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10
Q

brachial plexus goes through these vertebrae

A

c4-c8 and t1

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11
Q

innervates the chest, upper back, and arm

A

brachial plexus

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12
Q

structure of brachial plexus that goes to anterior muscles of arms and skin of forearm

A

musculocutaneous

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13
Q

structure of brachial plexus that goes to muscles of forearm, hands, and skin of hands

A

ulnar nerve

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14
Q

brachial plexus structure that is the same function as the ulnar nerve

A

medial nerve

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15
Q

structure of the brachial plexus that goes to posterior muscles of arms and skin of forearms and hands

A

radial nerve

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16
Q

last thoracic, lumbar, sacral, and coccygeal nerves make up this plexus

A

lumbosacral plexus

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17
Q

lumbosacral plexus may be split into blank and blank plexuses

A

lumbar, sacral

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18
Q

innnervate the lower limb regions

A

lumbosacral plexus

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19
Q

lumbosacral plexus structure that goes to adductors of leg

A

obturator nerve

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20
Q

lumbosacral plexus structure that sends motor impulses to leg and thigh and receives sensory from skin of leg and thigh

A

femoral nerve

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21
Q

lumbosacral plexus structure that goes to muscles and skin in thighs, legs, and feet

A

sciatic nerve

22
Q

rapid automatic involuntary motor response to stimuli

A

reflex

23
Q

reflexes help preserve blank

A

homeostasis

24
Q

reflexes occur at blank or blank

A

spinal cord, brain stem

25
Q

reflexes do not require blank processing

A

cerebral

26
Q

reflexes can be blank by cerebral control

A

modified

27
Q

four classifications of reflexes

A

by development, site of processing, nature of motor response, complexity of circuit

28
Q

classification of reflex that is genetic or learned

A

by development

29
Q

this means built in

A

genetically

30
Q

means acquired through repetition and/or experience

A

learned

31
Q

birds have a genetic reflex to be afraid of blank

A

snakes

32
Q

classification of reflexes that are spinal or cranial

A

site of processing

33
Q

classification of reflexes that are somatic or visceral

A

nature of motor response

34
Q

influences the skeletal muscle system

A

somatic

35
Q

influences the involuntary systems such as smooth muscle and glands

A

visceral

36
Q

the production of adrenaline reflex

A

visceral

37
Q

classification of reflex that may be monosynaptic or polysynaptic

A

complexity of neural circuit

38
Q

1 synapse

A

monosynaptic

39
Q

two or more synapses

A

polysynaptic

40
Q

boxing reflexes are blank

A

polysynaptic

41
Q

first step of a reflex arc, the blank is stimulated by a detectable environmental blank

A

receptor, stimulus

42
Q

second step of reflex arc, the blank stimulates a blank neuron that sends a signal to the blank for processing

A

Receptor, sensory, CNS

43
Q

in step three of the reflex arc, the blank from sensory neuron to another neuron

A

transmission

44
Q

in the fourth and fifth steps of a reflex arc, a blank is stimulated and sends a signal to a blank

A

motor neuron, effector

45
Q

a reflex stimulated by the stretching of a muscle

A

stretch reflex

46
Q

blank are receptors that detect stretching

A

muscle spindle fibers

47
Q

the effector is the blank of the muscle in a stretch reflex

A

contraction

48
Q

the blank reflex is a stretch reflex

A

patellar

49
Q

the function of the patellar reflex is to prevent muscles from being blank and prevent one from falling blank

A

overstretched, forward

50
Q

a patellar reflex falls into what classifications

A

innate, somatic, monosynaptic, spinal

Ana (40 decks)

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