Nervous System Flashcards

1
Q

What are the 5 group of nerves along the spinal cord?

A

Cervical nerves
Thoracic nerves
Lumbar nerves
Sacral nerves
Coccygeal nerves

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2
Q

How many spinal vertibra are in the cervical region of the spine?

A

C1-8

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3
Q

How many nerve vertibra are in the thoracic region?

A

T1-12

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4
Q

How many nerve vertibra are in the lumbar region?

A

L1-5

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5
Q

How many nerve vertibra are in the sacral region?

A

S1-5

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6
Q

How many vertibra are in the coccygeal region?

A

Co (1)

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7
Q

What do the cervical vertibra do?

A

Supply movement and feeling to the arms, neck and upper trunk. Also controls breathing

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8
Q

What do the thoracic vertibra do?

A

Supply’s movement and feeling to the trunk and abdomen

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9
Q

What do the lumbar and sacral nerves do?

A

Supply movement and feeling to the legs, the bladder, bowel and sexual organs

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10
Q

At which point along the nerves does the spinal cord stop at the grouoed nerves become the caudal equina?

A

Near L1 and L2

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11
Q

What is a dermatome?

A

An area of skin that is supplied feeling by a single spinal nerve

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12
Q

What spinal nerve would be accosiated with senory impairment of the anterolateral shoulder

A

C5

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13
Q

What spinal nerve would be accosiated with senory impairment of the thumbs

A

C6

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14
Q

What spinal nerve would be accosiated with senory impairment of middle finger

A

C7

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15
Q

What spinal nerve would be accosiated with senory impairment of little finger

A

C8

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16
Q

What spinal nerve would be accosiated with senory impairment of medial arm

A

T1

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17
Q

What spinal nerve would be associated with senory impairment of 3rd, 4th interspace

A

T3

18
Q

What spinal nerve would be associated with senory impairment of nipple line

A

T4

19
Q

What spinal nerve would be accosiated with senory impairment of xiphoid process

A

T6

20
Q

What spinal nerve would be associated with senory impairment of the navel

A

T10

21
Q

What spinal nerve would be associated with senory impairment of pubis

A

T12

22
Q

What spinal nerve would be accosiated with senory impairment of medial thigh

A

L2

23
Q

What spinal nerve would be accosiated with senory impairment of medial knee

A

L3

24
Q

What spinal nerve would be associated with senory impairment of medial ankle and big toe

A

L4

25
Q

What spinal nerve would be accosiated with senory impairment of dorsum of foot

A

L5

26
Q

What spinal nerve would be accosiated with senory impairment of lateral foot

A

S1

27
Q

What spinal nerve would be accosiated with senory impairment of posteromedial thigh

A

S2

28
Q

What spinal nerve would be accosiated with senory impairment of perianal

A

S3-5

29
Q

What are myotomes?

A

A group of muscles which are innervation by single spinal nerve roots

30
Q

What are you testing in myotome testing?

A

Looking for muscle weakness of particular group of muscles. Could suggest herniation of discs

31
Q

What is C5 myotomes?

A

Shoulder abduction and external rotation; elbow flexion

32
Q

What is C6 myotomes?

A

Wrist extension

33
Q

What is C7 myotomes?

A

Elbow extensor and wrist flexion

34
Q

What is C8 myotomes?

A

Thumb extension and finger flexion

35
Q

What is T1 myotomes?

A

Finger abduction

36
Q

What is L1/2 myotomes?

A

Hip flexion

37
Q

What is L3 myotomes?

A

Knee extension

38
Q

What is L4/5 myotomes?

A

Ankle dorsiflexion

39
Q

What is L5 myotomes?

A

Great toe extension

40
Q

What is S1 myotomes?

A

Ankle plantar flexion

41
Q

What is S4 myotomes?

A

Bladder and rectum motor supply