Brachial Plexus

Question 1

What roots is the inferior trunk of the BP made of?

Answer 1

C8 and T1

Question 2

What roots is the middle trunk of the BP made up of?

Answer 2

C7

Question 3

What are the cords of the brachial plexus named relative to?

Answer 3

The Axillary artery

Question 4

The posterior cord if made up what?

Answer 4

The posterior division of all the trunks

Question 5

The lateral cord is made up of?

Answer 5

The anterior division of the superior cord and middle trunk

Question 6

The medial cord is made up of?

Answer 6

The anterior division of the inferior trunk

Question 7

What muscles does the musculocutaneous nerve supply?

Answer 7

Bicep Brachii
Brachialis
Coracobrachialis

Question 8

What does the median nerve innervate?

Answer 8

Anterior compartment of hand, thumb, palmar skin over lateral 3.5 ligaments

Question 9

What does the axillary nerve supply?

Answer 9

Glenohumerol joint
Teres minor
Deltoid

Question 10

What is Erb’s palsy?

Answer 10

Damage to the C5 and C6 roots, arm is in waiters tip position

Question 11

What is Klumpke’s palsy

Answer 11

Damage to C8 and T1 get a claw hand