Brachial Plexus

Question 1

What gives rise to the suprascapular nerve?

Answer 1

Superior trunk

Question 2

What gives rise to the nerve to subclavius?

Answer 2

Superior trunk

Question 3

What gives rise to the long thoracic nerve?

Answer 3

Nerve roots C5, C6, and C7

Question 4

What gives rise to the lateral pectoral nerve?

Answer 4

Lateral cord

Question 5

What gives rise to the medial pectoral nerve?

Answer 5

Medial cord

Question 6

What gives rise to the thoracodorsal nerve?

Answer 6

Posterior cord

Question 7

What gives rise to the upper subscapular nerve?

Answer 7

Posterior cord

Question 8

What gives rise to the lower subscapular nerve?

Answer 8

Posterior cord

Question 9

What gives rise to the medial antebrachial cutaneous nerve?

Answer 9

Medial cord

Question 10

What gives rise to the medial brachial cutaneous nerve?

Answer 10

Medial cord

Question 11

What gives rise to the dorsal scapular nerve?

Answer 11

Nerve root C5

Question 12

Erb’s Palsey is an injury to what part of the brachial plexus and which specific nerve root(s)?

Answer 12

Superior trunk, C5-C6

Question 13

Klumpke’s Palsey is an injury to what part of the brachial plexus and which specific nerve root(s)?

Answer 13

Inferior trunk, C8-T1

Question 14

Injury to the radial nerve involves which specific nerve roots?

Answer 14

C5-T1

Question 15

Sleep Palsey is an injury to what part of the brachial plexus and which specific nerve root(s)?

Answer 15

Radial nerve, C5-T1

Question 16

Numbness in deltoid, inability to abduct the arm, and weakened lateral rotation of the arm are symptoms of injury to what part of the brachial plexus and which specific nerve root(s)?

Answer 16

Axillary nerve, C5-C6

Question 17

Numbness in digits 4 and 5, weakened grip, and loss of abduction and adduction of fingers are symptoms of injury to what part of the brachial plexus and which specific nerve root(s)?

Answer 17

Ulnar nerve, C7-T1

Question 18

The Hand of Benediction and Ape Hand are due to injury of what part of the brachial plexus and which specific nerve root(s)?

Answer 18

Median nerve, C6-T1