Arteries

Question 1

What does the axillary artery arise from?

Answer 1

Continuation of the subclavian artery

Question 2

Where does the axillary artery arise?

Answer 2

Lateral border of first rib

Question 3

What is the axillary artery enclosed in?

Answer 3

Axillary sheath

Question 4

What are the three phases of the axillary artery?

Answer 4

First - medial to pectoralis minor

Second - posterior to pectoralis minor

Third - lateral to pectoralis minor

Question 5

Where do the anterior and posterior circumflex humeral arteries arise from?

Answer 5

Axillary artery

at level of surgical neck

Question 6

Where do the anterior and posterior circumflex humeral arteries travel to?

Answer 6

Wrap around the surgical neck of the humerus

anteriorly and posteriorly

Question 7

What else arises from the axillary artery near where the anterior and posterior circumflex humeral arteries arise?

Answer 7

Subscapular artery

Question 8

What does the brachial artery arise from?

Answer 8

Axillary artery

Question 9

Where does the brachial artery arise?

Answer 9

Inferior border of teres major

Question 10

What does the brachial artery do once it’s arisen?

Answer 10

Gives off branch

the profunda brachii artery

Question 11

Where does the profunda brachii artery travel?

Answer 11

Travels in radial groove
on posterior surface of humerus

along with radial nerve

Question 12

What does the profunda brachii artery supply?

Answer 12

The triceps brachii

Question 13

How does the profunda brachii artery end?

Answer 13

Near elbow joint

gives off network of vessels

Question 14

Where does the brachial artery travel?

Answer 14

Descends down arm
close to median nerve

Enters cubital fossa

Question 15

What does the brachial artery do in the cubital fossa?

Answer 15

At the apex of the cubital fossa

it divides into radial and ulnar arteries

Question 16

What does the radial artery supply?

Answer 16

Posterior aspect of forearm

Question 17

What does the radial artery do after it has entered the hand?

Answer 17

Gives off branch - superficial palmar branch

Question 18

What does the radial artery do after giving off the superficial palmar branch?

Answer 18

Travels dorsally
through anatomical snuffbox
medially between two heads of adductor pollicis
becomes deep palmar branch

Question 19

What does the ulnar artery supply?

Answer 19

Anterior aspect of forearm

Question 20

How does the ulnar artery enter the hand?

Answer 20

Anteriorly to flexor retinaculum

Laterally to ulnar nerve

Question 21

How does the ulnar artery end in the hand?

Answer 21

Divides into superficial palmar branch

Deep palmar branch

Question 22

What do the superficial palmar branches of the radial and ulnar arteries form?

Answer 22

Form the superficial palmar arch

Question 23

Where is the superficial palmar arch located?

Answer 23

In front of flexor tendons

Deep to palmar aponeuroses

Question 24

The superficial palmar arches are useful for…

Answer 24

Heat loss when needed

Question 25

What does the superficial palmar arch give rise to?

Answer 25

Common palmar digital arteries

Question 26

What do the common palmar digital arteries supply?

Answer 26

The digits

Question 27

What do the deep palmar branches of the radial and ulnar arteries form?

Answer 27

Deep palmar arch

Question 28

What does the deep palmar arch give rise to?

Answer 28

Arteries supplying digits

Question 29

What does the radial artery contribute to in the hands?

Answer 29

The thumb

and lateral side index finger

Question 30

What does the ulnar artery contribute to in the hands?

Answer 30

Medial three fingers

Medial side of index finger

Question 31

Does the hand have a good blood supply? How can this be shown?

Answer 31

Yes

It remains perfused even when it is gripping or applying pressure