Exam 3 - Thoracic Limb Circulation

Question 1

Where are the main arterial branches of the thoracic limb found?

Answer 1

on the caudomedial aspect of the limb

Question 2

What set of veins do not have accompanying arteries?

Answer 2

the superficial set

Question 3

How does the subclavian become the digital?

Answer 3

subclavian to axillary to brachial to median to digital

Question 4

What is the axillary artery a continuation of?

Answer 4

the subclavian

Question 5

Where does the axillary artery emerge?

Answer 5

from the cranial border of the first rib

Question 6

What does the axillary artery cross?

Answer 6

the axillary space and enters the thoracic luimb

Question 7

What does the axillary artery supply?

Answer 7

the shoulder

Question 8

What are the branches of the axillary artery?

Answer 8

the external thoracic, lateral thoracic, subscapular artery, and cranial circumflex humeral artery

Question 9

What does the external thoracic artery supply?

Answer 9

the pectoral muscles

Question 10

What does the lateral thoracic artery supply?

Answer 10

latissimus dorsi

Question 11

Where does the subscapular artery run?

Answer 11

caudal to the shoulder joint

Question 12

What does the subscapular artery supply?

Answer 12

the shoulder joint, extensors and flexors of the elbow joint

Question 13

What does the cranial circumflex humeral artery supply?

Answer 13

the brachialis and part of the triceps

Question 14

When does the axillary artery become the brachial artery?

Answer 14

when the axillary gives off the cranial circumflex humeral

Question 15

Where is the brachial artery located?

Answer 15

on the medial aspect of the humerus

Question 16

What artery can the pulse be taken from?

Answer 16

the brachial artery

Question 17

What does the brachial artery supply?

Answer 17

the brachium; branches supply the antebrachium and manus

Question 18

What are the branches of the brachial artery?

Answer 18

deep brachial artery, bicipital artery, superficial antebrachial artery, collateral ulnar. transverse or median cubital, common interosseous artery

Question 19

What does the deep brachial artery supply?

Answer 19

the triceps muscle

Question 20

What does the bicipital artery supply?

Answer 20

the biceps muscle

Question 21

What does the superficial antebrachial artery supply?

Answer 21

the skin over the dorsal aspect of the manus and digits

Question 22

What does the collateral ulnar artery supply?

Answer 22

the elbow joint and caudomedial muscles of the antebrachium

Question 23

What does the transverse or median cubital artery supply?

Answer 23

the carpal and digital extensors

Question 24

Where does the common interosseous artery go?

Answer 24

into the interosseous space between the radius and the ulna

Question 25

What are the branches of the common interosseous artery?

Answer 25

ulnar artery, cranial interosseous artery, caudal interosseus artery

Question 26

Where does the caudal interosseous artery run?

Answer 26

between the interosseous membrane/muscle and pronator quadratus, through the carpal canal

Question 27

What does the caudal interosseous artery supply?

Answer 27

the superficial and deep palmar arches

Question 28

When does the brachial artery become the median artery?

Answer 28

when the brachial artery gives off the common interosseous artery

Question 29

what is the main artery of the antebrachium and the manus?

Answer 29

the median artery

Question 30

Where does the median artery course?

Answer 30

the deep face of the flexor carpi ulnaris in the antebrachial region

Question 31

What are the branches of the median artery?

Answer 31

deep antebrachial artery and the radial artery

Question 32

What does the deep antebrachial artery supply?

Answer 32

carpal and digital flexors

Question 33

Where is the radial artery located?

Answer 33

on the medial aspect of the radius

Question 34

What does the radial artery do at the carpus?

Answer 34

gives off a branch to the dorsal carpal rete and a palmar branch to join the caudal interosseous artery in forming the deep palmar arch

Question 35

When is the superficial palmar arch created?

Answer 35

when the median artery continues through the carpal canal

Question 36

What is the minor dorsal supply to the manus?

Answer 36

superficial set from the superficial brachial artery | deep set derived from the dorsal carpal rete

Question 37

What forms the dorsal common digital arteries on the metacarpus?

Answer 37

the superficial antebrachial arteries (superficial structures)

Question 38

What do the dorsal common digital arteries divide into?

Answer 38

the dorsal axial and abaxial proper digital arteries

Question 39

What are the branches derived from the dorsal carpal rete?

Answer 39

the dorsal metacarpal arteries

Question 40

What does the palmar aspect of the manus recieve blood supply from?

Answer 40

the superficial palmar arch and the deep palmar arch

Question 41

Where is the superficial palmar arch located?

Answer 41

between the superficial digital flexor adn the deep digital flexor

Question 42

What is the superficial palmar arch fromed by?

Answer 42

the median artery and the caudal interosseous

Question 43

What does the superficial palmar arch give rise to?

Answer 43

palmar common digital arteries which further divide into the palmar axial and abaxial proper digital arteries

Question 44

Where does the deep palmar arch lie?

Answer 44

deep to the interossei muscles

Question 45

What is the deep palmar arch formed by?

Answer 45

a branch of the caudal interosseous and palmar branch of the radial artery

Question 46

What gives rise to the palmar metacarpal arteries?

Answer 46

the fusion of the ulnar artery and the caudal interosseous artery in the carpal canal

Question 47

A cut to what region causes a considerable haemorrhage?

Answer 47

the palmar manus

Question 48

What does the superficial arrangement aid in?

Answer 48

diffusion of concussion and thermoregulation

Question 49

Which set of veins follows the arteries of the thoracic limb?

Answer 49

the deep set

Question 50

What is the superficial set of veins used for?

Answer 50

thermoregulation

Question 51

What is the main superficial vein?

Answer 51

the cephalic vein

Question 52

Where is the cephalic vein located?

Answer 52

on the cranial aspect of the antebrachium

Question 53

What is the cephalic vein useful for?

Answer 53

blood sampling and intravenous injections

Question 54

How does the cephalic vein run in order to feed into the external jugular?

Answer 54

proximally the cephalic runs deep to the brachiocephalicus

Question 55

What is the omobrachial vein a branch off of?

Answer 55

the cephalic vein

Question 56

Where does the omobrachial vein run?

Answer 56

superficial to the shoulder joint, over the greater tubercle of the humerus, and between the brachiocephalicus and the omotransversarius to join the external jugular

Question 57

What is the function of the median cubital vein?

Answer 57

to connect the cephalic vein and the median vein on the flexor aspect of the elbow

Question 58

What is the function of the axillobrachial vein?

Answer 58

connect the cephalic vein and the axillary vein on the medial aspect of the shoulder