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Anatomy and Physiology II > Peripheral Nervous System > Flashcards

Peripheral Nervous System Flashcards

1
Q

the ____ plexus produces the nerves that innervate the upper limbs

A

brachial

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2
Q

spinal nerves enter/leave the spinal column via the ____ foramina

A

intervertebral

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3
Q

carpal tunnel syndrome involves compression and irritation of the right ____ nerve

A

median n.

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4
Q

douloureoux is neuralgia of the _____ nerve

A

trigeminal n.

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5
Q

trauma to the right medial elbow is likely to damage the ____ nerve

A

ulnar n.

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6
Q

trauma to the anterior side of the left lateral elbow is likely to damage _____ nerve. it is likely to cause an inability to contract the wrist extensors

A

radial n.

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7
Q

a condition that may result from the fracture of the ethmoid bone; may cause partial or total loss of smell

A

anosmia

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8
Q

damage to the _______ nerve may cause ptosis of the eyelids

A

oculomotor n.

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9
Q

paralysis of the chewing muscles on one side of the head could be caused by damaged to the ______ nerve on that side

A

(mandibular branch of the) trigeminal n.

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10
Q

irritation and swelling of the _____ nerve may result in Bell Palsy

A

facial n.

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11
Q

list 4 nerve plexuses

A
  1. cervical plexuses 2. brachial plexus 3. lumbar plexus 4. sacral plexus
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12
Q

name a nerve on the cervical plexus

A

phrenic n.

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13
Q

name a nerve on the brachial plexus

A

radial n.

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14
Q

name a nerve on the lumbar plexus

A

femoral n.

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15
Q

name a nerve on the sacral plexus

A

sciatic, gluteal nn.

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16
Q

list the cranial nerves in order of their emergence from the CNS, proceeding from the superiormost (olfactory nerves) to inferiormost.

A

optic - oculomotor- trochlear - abducens - facial - glossopharyngeal - vagus - hypoglossal

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17
Q

the only cranial nerve which extends beyond the head and neck region

A

vagus n.

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18
Q

its three branches contain the major sensory nerves of the face

A

trigeminal n.

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19
Q

nerve which carries only the sensory afferents of the hearing and balance

A

vestibulocochlear n.

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20
Q

nerves which pierce the cribriform plate of the ethmoid bone to bring sensory information directly into the brain

A

Olfactory n.

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21
Q

carries motor efferents to control four extrinsic eye muscles as well as the levator plapabrae superioris muscles

A

oculomotor n.

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22
Q

contains motor efferents controlling the chewing muscles

A

trigeminal n.

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23
Q

its 5 divisions contain motor efferents controlling the muscles of the face

A

facial n.

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24
Q

contains motor efferents controlling the superior oblique muscle of the eye

A

trochlear n.

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25
Q

nerves carrying visual afferents into the brain

A

Optic n.

26
Q

nerve number II

A

Optic n.

27
Q

nerves carrying taste afferents into the brain

A

Facial n., Glossopharyngeal n., Vagus n.

28
Q

nerve number VII

A

facial n.

29
Q

nerve number IX

A

glossopharyngeal n.

30
Q

nerve number X

A

vagus n.

31
Q

nerves carrying smell afferents into the brain

A

Olfactory n.

32
Q

Nerve number I

A

olfactory n.

33
Q

nerves carrying motor efferents controlling extrinsic eye muscles

A

oculomotor n., abducens n., trochlear n.

34
Q

nerve number III

A

oculomotor n.

35
Q

nerve number IV

A

abducens n.

36
Q

nerve number VI

A

trochlear

37
Q

nerve supplying motor efferents to the diaphragm

A

phrenic n.

38
Q

the largest nerve in the body

A

sciatic n.

39
Q

a nerve running through the medial thigh and leg; provides sensory afferents to servicing the hip and knee joints

A

saphenous n.

40
Q

a large nerve, some branches innervate the anterior thigh muscles (quadriceps), the sartorius and the iliacus muscles

A

femoral n.

41
Q

the part of the sciatic nerve servicing the triceps surae, most of hamstrings, adductor magnus mm.

A

tibial n.

42
Q

the nerve servicing most of the adductor muscles and the skin on the medial thigh

A

obturator nerve

43
Q

the nerve servicing the skin of the lateral thigh and peritoneum

A

lateral femoral cutaneous

44
Q

the nerve servicing the skin of the buttocks, posterior thigh, and popliteal area

A

posterior femoral cutaneous

45
Q

the nerve servicing the skin of the anterior and medial thigh

A

anterior femoral cutaneous

46
Q

the nerve servicing the skin & muscles of the perineum and the ext. anal sphincter

A

pudendal n.

47
Q

earphones on the head test your ability to perceive various frequencies of sound

A

vestibulocochlear n.

48
Q

dr. asks you to smile, frown, crinkle the forehead

A

facial n.

49
Q

dr. asks you to move lower jaw from side to side and then to bite down on a piece of wood

A

trigeminal n.

50
Q

dr. waves an open vial in front of your nose and asks you to identify the odor

A

olfactory n.

51
Q

dr. asks you to read an eye chart on the wall using only one eye

A

Optic n.

52
Q

dr. moves her pen back and forth in front of you and tests how well eyes are able to tract the pen

A

oculomotor n.

53
Q

the dr. shines a light into eye and notes pupillary response

A

oculomotor n.

54
Q

the ability to taste various substances on the anterior 2/3 of the tongue and tearing is assessed using ammonia fumes

A

facial n.

55
Q

facial symmetry is assessed

A

facial n.

56
Q

dr. checks the strength of the SCM and trapezius muscles as the head rotates and shoulders a shrugged against resistance

A

accessory n.

57
Q

dr. asks you to stick out tongue and the retract it while noting any deviations

A

hypoglossal n.

58
Q

dr. asks you to speak and cough, tests gag an swallowing reflexes with a tongue depressor

A

vagus n.

59
Q

T/F the ventral roots bring sensory information into the spinal cord

A

False

60
Q

T/F the ventral and dorsal rami of all the spinal nerves (C1 - S5) partake in the formation of nerve plexuses before reaching their effector organs

A

False

Anatomy and Physiology II (4 decks)

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