brachial plexus quiz

Question 1

what are the roots of the brachial plexus?

Answer 1

C5, C6, C7, C8, T1

Question 2

what are the trunks of the brachial plexus?

Answer 2

superior (upper), middle, and inferior (lower)

Question 3

what roots make up the superior trunk?

Answer 3

C5/C6

Question 4

what roots make up the middle trunk?

Answer 4

C7

Question 5

what roots make up the inferior trunk?

Answer 5

C8/T1

Question 6

what are the divisions of the BP?

Answer 6

3 anterior + 3 posterior

Question 7

what are the cords?

Answer 7

lateral, posterior, + medial

Question 8

what divisions make up the lateral cord?

Answer 8

anterior divisions from superior + middle trunk

Question 9

what divisions make up the posterior cord?

Answer 9

the posterior divisions

Question 10

what divisions make up the medial cord?

Answer 10

the anterior divisions of the inferior cord

Question 11

what are the terminal branches of the BP?

Answer 11

musculocutaneous n, axillary n, radial n, median n, ulnar n

Question 12

what are the terminal branches off of the lateral cord?

Answer 12

musculocutaneous n + median n

Question 13

what are the terminal branches off of the posterior cord?

Answer 13

axillary n + radial n

Question 14

what are the terminal branches off of the medial cord?

Answer 14

ulnar n + median n

Question 15

what nerve branches come off of the C5 root?

Answer 15

dorsal scap n, branch to phrenic n, dorsal ramus, + C4 root contribution

Question 16

what nerve branches come off of T1 root?

Answer 16

1st intercostal n + T2 root contribution

Question 17

what roots does the nerve longus colli + scalene m come from?

Answer 17

C5, C6, C7, + C8

Question 18

what roots does the long thoracic n come from?

Answer 18

C5, C6,+ C7

Question 19

what trunk does the suprascapular n come from?

Answer 19

superior (C5/C6 roots)

Question 20

what trunk does the n to subclavius m come from?

Answer 20

superior (C5/C6 roots)

Question 21

how many nerve branches come off of the lateral cord?

Answer 21

1

Question 22

what cord does the lateral pec n come from?

Answer 22

lateral (C5/C6/C7 roots)

Question 23

how many nerve branches come off of the posterior cord?

Answer 23

3

Question 24

what cord does the upper scap n come from?

Answer 24

posterior cord (C5/C6 root)

Question 25

what cord does the thoracodorsal (middle subscap) n come from?

Answer 25

posterior cord (C6/C7/C8 roots)

Question 26

what cord does the lower subscap n come from?

Answer 26

posterior cord (C5/C6 roots)

Question 27

how many nerve branches come off of the medial cord?

Answer 27

3

Question 28

what cord does the medial pec n come from?

Answer 28

medial cord (C8/T1 roots)

Question 29

what cord does the medial brachial cut n come from?

Answer 29

medial cord (T1 roots)

Question 30

what cord does the medial antebrachial cut n come from?

Answer 30

medial cord (C8/T1 roots)

Question 31

what are the spinal levels of the musculocutaneous n?

Answer 31

C5/C6/C7

Question 32

what are the spinal levels of the axillary n?

Answer 32

C5/C6

Question 33

what are the spinal levels of the radial n?

Answer 33

C5/C6/C7/C8/T1

Question 34

what are the spinal levels of the median n?

Answer 34

C5/C6/C7/C8/T1

Question 35

what are the spinal levels of the ulnar n?

Answer 35

C7/C8/T1