Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

J Neuro > ANATOMY - spinal nerves > Flashcards

ANATOMY - spinal nerves Flashcards

1
Q

how many cervical spinal nerves are there

A

8

7 cervical vertebrae but one above every vertebrae AND one below C7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

how many thoracic spinal nerves are there

where do they leave the spinal column

A

12

under each of the thoracic vertebrae (bc there are 8 cervical ones, one below c7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how many sacral spinal nerves are there

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how many coccygeal spinal nerves are there

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how many spinal nerve pairs are there

A

31

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

where are roots/rootlets in relation to the spinal nerve

A

behind it (between spinal nerve and spinal cord)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

where are the rami in relation to the spinal nerve

A

in front of it

spinal nerve SPLITS into anterior and posterior rami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what modality is in the anterior rami

where does it supply

A

mixed - motor and sensory

to most of body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what modality is in the posterior rami

where does it supply

A

mixed - sensory and motor

posterior body wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what modality is in the anterior roots/rootlets

A

motor

bc Anterior want to get close to the Action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what modality is in the posterior roots/rootlets

A

sensory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the joining of anterior and posterior rami called

A

the spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

by which categorization method do spinal nerves supply muscles

A

myotomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

by which categorization method do spinal nerves supply skin sensation and somatic motor function

A

dermatomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

shoulder and clavicle dermatome

A

C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

badge patch dermatome

A

C5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

lateral forearm and thumb dermatome

A

C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

middle finger dermatome

A

C7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

little finger dermatome

A

C8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

medial forearm dermatome

A

T1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

medial arm and top of chest (sternal angle) dermatome

A

T2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

anterior and posterior trunk dermatomes

A

T2-T12 (L3 on back)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

nipple dermatome

A

T4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

belly button dermatome

A

T10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

‘hands in pockets’ dermatome

A

L1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

lateral thigh dermatome

A

L2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

medial thigh and knee dermatome

A

L3 (three = knee)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

medial calf (medial malleolus) dermatome

A

L4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

big toe and lateral calf dermatome

A

L5 (biggest number = 5 for the biggest toe)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

little toe and heel dermatome

A

S1 (smallest number = 1 for smallest toe)

31
Q

posterior leg dermatome

A

S2

32
Q

saddle dermatome

A

S3

33
Q

anal passage dermatome

A

S5

34
Q

is there a C1 dermatome

A

no bc no dorsal (posterior) roots

35
Q

pubic symphysis dermatome

A

T12

36
Q

xiphoid process dermatome

A

T8

37
Q

what are the 4 spinal nerve plexuses

A

cervical plexus
brachial plexus
lumbar plexus
sacral plexus

38
Q

which spinal nerves is the cervical plexus made up of

A

C1-C4

39
Q

which spinal nerves is the brachial plexus made up of

A

C5-T1

40
Q

which spinal nerves is the lumbar plexus made up of

A

L1-L4

41
Q

which spinal nerves is the sacral plexus made u of

A

L5-S4

42
Q

C5 myotome

A

shoulder abduction

43
Q

C6 myotome

A

elbow flexion

44
Q

C7 myotome

A

Elbow extension

45
Q

C8 myotome

A

finger flexion

46
Q

T1 myotome

A

finger abduction

47
Q

L3 myotome

A

knee extension

48
Q

L4 myotome

A

ankle dorsiflexion

49
Q

L5 myotome

A

big toe extension

50
Q

S1 myotome

A

ankle plantarflexion

51
Q

S2 myotome

A

knee flexion

52
Q

biceps reflex spinal nerve

A

C5

53
Q

supinator reflex spinal nerve

A

C6

54
Q

triceps reflex spinal nerve

A

C7

55
Q

knee reflex spinal nerve

A

L4

56
Q

ankle reflex spinal nerve

A

S1

57
Q

apart from dermatomes, what is the other skin innervation that we need to know

A

named nerves

58
Q

what is the pneumonic for the named nerves of the head

hence what are the named nerves of the head

which spinal nerves supply these named nerves

A

little goats tread softly

lesser occipital
greater auricular (around the ear)
transverse cervical
supraclavicular

C1-C4

59
Q

what is the named nerve that supplies the skin just outside the ear

A

great auricular nerve

60
Q

which named nerve supplies the littlefinger

A

ulnar

61
Q

which named nerve supplies most of the palm of the hand (not little finger) and finger nails

A

medial

62
Q

which named nerve supplies the dorsum of the hand (not little finger)

A

radial

63
Q

which named nerve supplies most of the anterior thigh

A

femoral

64
Q

which named nerve supplies most of the anterior calf

A

saphenous nerve (from the femoral)

65
Q

which named nerve supplies most of the posterior lower limb

A

posterior cutaneous nerve of the thigh

66
Q

if there is sensory damage to a nerve but motor function from it is fine, where is the problem

A

posterior rootlet/root (or above) damage

67
Q

if there is sensory damage in more than one dermatome, where might the problem be

A

named nerve!

68
Q

if you have established a sensory problem in 1 dermatome, what should you check

A

check all other dermatomes - to exclude it being a named nerve problem
check associated myotome - to identify if its just sensory or motor problem too (whether the problem is before or after the spinal nerve and rami)

69
Q

where does posterior rami of spinal nerves supply

A

the back

70
Q

what is the lump in the posterior root (before it become spinal nerve) called

A

dorsal root ganglion

71
Q

is dorsal anterior or posterior

A

posterior

72
Q

is ventral anterior or posterior

A

anterior

73
Q

which named nerve supplies first web space of foot only

A

deep fibular

J Neuro (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions