SA Thoracic Vessels and Nerves

Question 1

4 Primary branches of the Axillary a.

Answer 1

1. External Thoracic
2. Lateral Thoracic
3. Subscapular a.
4. Cranial circumflex humeral a.

Question 2

What is the first branch off the Axillary a.

Answer 2

External thoracic

Question 3

What does the External thoracic supply?

Answer 3

Superficial pectoral

Question 4

Which branch off the Axillary a. runs across the axillary ln.

Answer 4

Lateral thoracic

Question 5

What does the Lateral thoracic a. supply?

Answer 5

Lat. dorsi
deep pectoral
cutaneous trunci mm.

Question 6

What are the 2 branches of the subscapular a.

Answer 6

1. thoracodorsal a.

2. Caudal circumflex humeral a.

Question 7

What does the subscapular a. continue as after giving off the caudal circumflex humeral a.?

Answer 7

Subscapular a.

Question 8

Which br. of the axillary a. supplies the shoulder and biceps brachii m.

Answer 8

Cranial circumflex humeral a.

Question 9

What are the 6 branches of the brachial a.

Answer 9

1. deep brachial
2. bicipital
3. collateral ulnar
4. superficial brachial
5. Transverse cubital
6. common interosseous

Question 10

Which a. is the prinicpal blood supply to the paw?

Answer 10

Median a.

Question 11

What branches off the median a.?

Answer 11

radial a. and deep antebrachial

Question 12

What feeds into the brachial plexus?

Answer 12

ventral br. of C6-T2

Question 13

T/F. the Brachial Plexus supplies both senory and motor innervation to the forelimb.

Answer 13

T

Question 14

Br. off the median a. that supplies the FCR, DDF, FCU, and SDF

Answer 14

Deep antebrachial

Question 15

Which two nn. supply the csuperficial and deep pectoral mm

Answer 15

Cranial and caudal pectoral nn.

Question 16

Which n supplies the cutaneous trunci m

Answer 16

Lateral thoracic

Question 17

Which n. supplies the latissimus dorsi m.

Answer 17

Thoracodorsal n.

Question 18

Which n. supplies the infraspinatus mm

Answer 18

Suprasscapularn.

Question 19

Which v in the forelimb is used for veinipuncture and catheter placement?

Answer 19

Cephalic

Question 20

Which n. supplies the coracobrachialis m. bicepts brachii m and brachialis m

Answer 20

Musculocutaneous n.

Question 21

Which n. runs with the caudal circumflex humeral a

Answer 21

Axillary n.

Question 22

Where does the axillary n supply sensory innervation?

Answer 22

caudal scapular region and craniolateral brachium

Question 23

what does the radial n. innervate

Answer 23

extensors of the elbow, carpus and digits

Question 24

What are the 2 br. of the radial n.

Answer 24

deeep and superficial

Question 25

which branch of the radial n. runs with the cephalic v.

Answer 25

Superficial

Question 26

What branches off the superfical br. of the radial n.?

Answer 26

lateral cutaneous antebrachial n.

Question 27

Which n. gives autonomous innervation to the dorsal manus

Answer 27

Radial n

Question 28

Which n. forms a common trunk with the ulnar n?

Answer 28

Median n.

Question 29

Which n. runs through the carpal canal to supply sensory to the palmar aspect of paw

Answer 29

Median n.

Question 30

Which n. runs through the carpal canal to supply sensory to the lateral surface of the metacarpus and fifth digit

Answer 30

Ulnar

Question 31

Which 2 nn. innervate the glenohumeral jt.?

Answer 31

axillary and suprascapular nn.