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MSK System > Brachial Plexus > Flashcards

Brachial Plexus Flashcards

1
Q

What is the brachial plexus divided into?

A 
Nerve roots
Trunks 
Divisions 
Cords
Terminal nerves
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2
Q

Which nerve roots make up the brachial plexus?

A 
C5
C6
C7
C8
T1
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3
Q

What are the different trunks?

A

Superior trunk
Middle trunk
Inferior trunk

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4
Q

What nerve roots make up the superior trunk?

A

C5

C6

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5
Q

What nerve roots make up the middle trunk?

A

C7

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6
Q

What nerve roots make up the inferior trunk?

A

C8

T1

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7
Q

What happens in the division section?

A

Each trunk splits into an anterior and posterior division

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8
Q

What are the different cord?

A

Lateral
Posterior
Medial

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9
Q

Which divisions make up the lateral cord?

A

Superior anterior

Middle anterior

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10
Q

Which nerve roots make up the lateral cord?

A

C5
C6
C7

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11
Q

Which divisions make up the posterior cord?

A

Superior posterior
Middle posterior
Inferior posterior

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12
Q

Which nerve roots make up the posterior cord?

A 
C5
C6
C7
C8
T1
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13
Q

Which divisions make up the medial cord?

A

Inferior anterior

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14
Q

Which nerve roots make up the medial cord?

A

C8

T1

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15
Q

What are the different terminal nerves?

A 
Musculocutaneous nerve
Axillary nerve
Median nerve
Radial nerve
Ulnar nerve
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16
Q

Which terminal nerves does the lateral cord contribute to?

A

Musculocutaneous nerve

Median nerve

17
Q

Which terminal nerves does the posterior cord contribute to?

A

Axillary nerve

Radial nerve

18
Q

Which terminal nerves does the medial cord contribute to?

A

Median nerve

Ulnar nerve

19
Q

Which nerve roots make up the musculocutaneous nerve?

20
Q

Which nerves make up the axillary nerve?

21
Q

Which nerve roots make up the median nerve?

22
Q

Which nerve roots make up the radial nerve?

A 
C5
C6
C7
C8
T1
23
Q

Which nerve roots make up the ulnar nerve?

24
Q

What other nerves are given off of the brachial plexus?

A

Long thoracic
Medial pectoral
Lateral pectoral

25
Q

Where is the long thoracic nerve given off?

A

Branches off the nerve roots of

  • C5
  • C6
  • C7
26
Q

What nerve roots make up the long thoracic nerve?

27
Q

Where is the medial pectoral nerve given off?

A

Medial cord

28
Q

What nerve roots make up the medial pectoral nerve?

29
Q

Where is the lateral pectoral nerve given off?

A

Lateral cord

30
Q

What nerve roots make up the lateral pectoral nerve?

MSK System (25 decks)

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