Lecture 12- brachial plexus

Question 1

What does the axillary nerve innervate

Answer 1

deltoideus, teres major, teres minor

Question 2

What is the fuction of the axillary nerve?

Answer 2

Flex the shoulder

Question 3

What does damage to the axillary nerve cause?

Answer 3

decreased ability to flex the shoulder

Question 4

What does the radial nerve innervate

Answer 4

cd muscles of the brachium, cr muscles of the antebrachium

Question 5

What is the action of the radial nerve

Answer 5

extend the cubital joint and extend the carpodigital joints

Question 6

What does damage to the radial nerve cause

Answer 6

Nonweight-bearing on forelimb

Question 7

What do the median and ulnar nerves innervate

Answer 7

Caudal muscles of the antebrachium

Question 8

To test the radial nerve

Answer 8

cranial and lateral region of the antebrachium and dorsal paw

Question 9

The test the musculocutaneous nerve

Answer 9

medial antebrachiu

Question 10

To test the ulnar nerve

Answer 10

lateral side of 5th digit

Question 11

To test median nerve

Answer 11

center of palmar paw

Question 12

to test axillary nerve

Answer 12

lateral shoulder

Question 13

Radial nerve damage at the scapula causes

Answer 13

passive flexion (high radial paralysis

Question 14

Radial nerve damage at the humerus causes

Answer 14

paw flip (low radial paralysis)

Question 15

Radial nerve damage ar the carpals

Answer 15

cannot feel dorsal paw