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UNIT 7 MSK > P2 ANATOMY > Flashcards

P2 ANATOMY Flashcards

anatomy of brachial plexus

1
Q

how many cranial nerves are in the body

A

12 cranial nerves

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2
Q

how many spinal nerves are in the body

A

31 spinal nerves

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3
Q

Number of Cervical nerves

A

8

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4
Q

Number of thoracic nerves

A

12

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5
Q

Number of lumbar nerves

A

5

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6
Q

Number of sacral nerves

A

5

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7
Q

Number of coccygeal nerves

A

1 coccygeal nerve

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8
Q

Division of spinal nerve that supplies the back

A

dorsal ramus

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9
Q

Division of spinal nerve that supplies the anterolateral part of body & gives plexuses

A

ventral ramus

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10
Q

Network of nerve fibres that supplies muscles and skin of upper limb that
Begins at posterior triangle of the neck and extends into axilla is known as

A

brachial plexus

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11
Q

fixed type of brachial plexus is formed by which nerves

A

C5 , C6 ,C7,C8 & T1

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12
Q

PREfixed type of brachial plexus is formed by which nerves

A

C4 , C5,C6C,C7C,C8 ,T1

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13
Q

POSTfixed type of brachial plexus is formed by which nerves

A

C5,C6,C7,C8,T1 & T2

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14
Q

stages of brachial plexus

A

1- roots
2- trunks
3- divisions
4- cords
5- branches

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15
Q

site of root & trunks of BP

A

supraclavicular

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16
Q

site of divisions of BP

A

retro-clavicular

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17
Q

site of cords & branches of BP

A

infra-clavicular

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18
Q

upper trunk is made up of which root

A

C5 , C6

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19
Q

middle trunk is made up of which root

A

C7

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20
Q

lower trunk is made up of which root

A

C8 & T1

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21
Q

ant. division supplies which compartment of upper limb

A

Supplies ant. / flexor compartment of upper limb

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22
Q

post. division supplies which compartment of upper limb

A

Supplies post. / extensor compartment of upper limb

23
Q

lateral cord is formed by fusion of

A

ant. Division of upper and middle trunk

24
Q

medial cord is formed by fusion of

A

ant. Division of lower trunk

25
Q

Posterior cord is formed by fusion of

A

post. Divisions of all trunks

26
Q

dorsal scapular nerve root value

A

C5

27
Q

dorsal scapular nerve supplies what muscles

A

2 rhomboids and levator scapulae

28
Q

long thoracic nerve root value

A

C5,C6, C7

29
Q

long thoracic nerve supplies what muscles

A

serratus anterior

30
Q

Identify the nerve branch

A

long thoracic nerve

31
Q

Identify the case shown
what is the nerve damage

A

winging of the scapula
due to long thoracic nerve injury

32
Q

identify the nerve branch & what muscle does it supply

A

suprascapular
Supplies supraspintus& infraspintus

33
Q

identify the muscle and its INNERVATION

A

subclavius muscle
innervated by subclavius nerve

34
Q

subclavius nerve root value

A

C5 , C6

35
Q

Lateral pectoral nerve root value

A

C5 , C6 ,C7

36
Q

musculocutaneous nerve root value

A

C5,C6, C7

37
Q

nerve that supplies BBC muscles

A

musculocutaneous nerve

38
Q

Identify the nerve / root / structure

A

lateral root of median nerve

39
Q

Identify the nerve & its root value

A

ulnar nerve
C7,C8, T1

40
Q

mention the 5 branches of medial cord

A

1- medial pectoral nerve
2- ulnar nerve
3- medial root of median nerve
4- medial cutaneous nerve of the arm
5- medial cutaneous nerve of the forearm

41
Q

Why ulnar nerve contains a branch from C7 although it is a branch of medial cord

A

often receives C7 fibres via a communicating branch from the lateral root of median nerve.

42
Q

identify the hidden nerve branch
its root value
it supplies what muscle

A

Thoracodorsal nerve
C6,C7,C8
nerve to latissimus dorsi

43
Q

mention the 5 branches of posterior cord

A

1- upper subscapular nerve
2- thoracodorsal nerve
3- axillary nerve
4- radial nerve
5- lower subscapular nerve

44
Q

Identify the hidden nerve & its root value

A

axillary nerve
C5,C6

45
Q

radial nerve root value

A

C5 ,C6 , C7 ,C8 , T1

46
Q

Identify the shown deformity
what nerve is injured

A

wrist drop seen in radial nerve injury

47
Q

site of ERB’s palsy

A

upper trunk

48
Q

cause of injury in ERBs palsy point

A

1-fall on shoulder
2- overstretched head during labor

49
Q

Clinical sign of ERBs palsy injury

A

waiter’s tip / policeman position

50
Q

identify what is seen & due to what injury

A

dropping of shoulder
du eto accessory nerve injury

51
Q

Procedure known as

A

Brachial plexus block

52
Q

site of injury in KLUMPKE’S PARALYSIS

A

lower trunk

53
Q

deformity seen in KLUMPKE’S PARALYSIS

A

claw hand

UNIT 7 MSK (23 decks)

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