Brachial Plexus

Question 1

What are the roots of the brachial plexus?

Answer 1

C5 to 8 and T1

Question 2

What are the three trunks?

Answer 2

Superior, Middle and Inferior

Question 3

What are the roots of the superior trunk?

Answer 3

C5 and C6

Question 4

What is the root of the middle trunk?

Answer 4

C7

Question 5

What are the roots of the inferior trunk?

Answer 5

C8 and T1

Question 6

What are the three cords?

Answer 6

Lateral, posterior and medial

Question 7

What forms the lateral cord?

Answer 7

The anterior divisions of the superior and middle trunks

Question 8

What forms the posterior cord?

Answer 8

The posterior division of all three trunks

Question 9

What forms the medial cord?

Answer 9

The anterior division of the inferior trunk

Question 10

What are the five main branches?

Answer 10

Musculocutaneous, axillary, median, radial and ulnar

Question 11

What cord(s) forms the musculocutaneous branch?

Answer 11

Lateral cord

Question 12

What are the roots of the musculocutaneous branch?

Answer 12

C5, C6 and C7

Question 13

What forms the axillary branch?

Answer 13

The posterior cord

Question 14

What are the roots of the axillary branch?

Answer 14

C5 ad C6

Question 15

What forms the radial branch?

Answer 15

The posterior cord

Question 16

What are the roots of the radial branch?

Answer 16

All of them!

Question 17

What forms the median branch?

Answer 17

The lateral and medial cords

Question 18

What are the roots of the median branch?

Answer 18

C6 - C8 and T1

So all but C5

Question 19

What forms the ulnar branch?

Answer 19

The medial cord

Question 20

What are the roots of the ulnar branch?

Answer 20

C8 and T1

Question 21

What makes the M you look for?

Answer 21

Musculocutaneous
Median
Ulnar