Brachial plexus organisation

Question 1

Which trunk do roots C5 and C6 form

Answer 1

Superior trunk

Question 2

Which trunk does root C7 form

Answer 2

Middle trunk

Question 3

Which trunk do roots C8 and T1 form

Answer 3

Inferior trunk

Question 4

What makes up the Lateral cord

Answer 4

Anterior divisions of the upper and middle trunks (C5-C7)

Question 5

what makes up the medial cord

Answer 5

continuation of the anterior division of the lower trunk (C8,T1)

Question 6

what makes up the posterior cord

Answer 6

the three posterior divisions of the trunks (C5-C8, T1)

Question 7

Which branches does the lateral cord supply

Answer 7

Musculocutaneous and median

Question 8

which branches does the posterior cord supply

Answer 8

axillary and radial

Question 9

which branches does the medial cord supply

Answer 9

Ulnar and Median

Question 10

What are the 5 terminal branches

Answer 10

Musculocutaneous, axillary, median, radial, ulnar