Brachial Plexus Components

Question 1

What spinal nerves make up the roots?

Answer 1

C5-T1

Question 2

What are the 3 trunks?

Answer 2

superior, middle, inferior

Question 3

What spinal nerve roots become the superior trunk?

Answer 3

C5 and C6

Question 4

What spinal nerve roots become the middle trunk?

Answer 4

C7

Question 5

What spinal nerve roots become the inferior trunk?

Answer 5

C8 and T1

Question 6

What is the anterior branch of the superior trunk?

Answer 6

lateral

Question 7

What is the posterior branch of the superior trunk?

Answer 7

posterior

Question 8

What are the two branches of the superior trunk?

Answer 8

lateral and posterior

Question 9

What is the anterior branch of the middle trunk?

Answer 9

lateral

Question 10

What is the posterior branch of the middle trunk?

Answer 10

posterior

Question 11

What are the two branches of the middle trunk?

Answer 11

lateral and posterior

Question 12

What are the two branches of the inferior trunk?

Answer 12

medial and posterior

Question 13

What is the anterior branch of the inferior trunk?

Answer 13

medial

Question 14

What is the posterior branch of the inferior trunk?

Answer 14

posterior

Question 15

What are the 3 cords?

Answer 15

lateral, posterior, medial

Question 16

What 2 branches make up the lateral cord?

Answer 16

superior, middle

Question 17

What branch makes up the medial cord?

Answer 17

inferior

Question 18

What cord makes the musculotaneus nerve?

Answer 18

lateral

Question 19

What nerves do the lateral cord make?

Answer 19

musculotaneus and medial

Question 20

What cords make up the median nerve?

Answer 20

lateral, medial

Question 21

What nerves do the medial cord make?

Answer 21

ulnar, median

Question 22

What cord makes up the radial nerve?

Answer 22

posterior

Question 23

What nerves do the posterior cord make?

Answer 23

radial and axillary

Question 24

What cord makes up the axillary nerve?

Answer 24

posterior