Anatomy of Leg Circulation

Question 1

What are end arteries?

Answer 1

The only blood supply to a given area of the body - no collaterals.

Question 2

Example of end arteries?

Answer 2

Digital arteries.

Question 3

Do not use what type of anaesthetic near end arteries?

Answer 3

Adrenaline containing local anaesthetic.

Question 4

The popliteal artery bifurcates to give…

Answer 4

2 Branches - anterior tibial artery, posterior tibial artery (posteriorly).

Question 5

Where does the popliteal artery bifurcate?

Answer 5

In the popliteal fossa.

Question 6

Where does the deep brachial artery bifurcate?

Answer 6

In the cubital fossa.

Question 7

The deep brachial artery bifurcates into…

Answer 7

The radial artery and ulnar artery.

Question 8

The dorsals pedis artery is a continuation of the

Answer 8

Anterior tibial.

Question 9

The medial and lateral plantar arteries bifurcate from the

Answer 9

Posterior tibial.

Question 10

Location of radial artery

Answer 10

lateral to tendon of flexor carpi radialis

Question 11

Features of Superficial veins

Answer 11

smaller, thinner, run in superficial fascia, highly variable, drain into deep veins.

Question 12

Features of deep veins

Answer 12

larger, thinkers, run deep to deep fascia and in body cavities, often predictable, accompany arteries.

Question 13

Features of superficial fascia

Answer 13

Loose connective tissue and fat, varies in depth, superficial blood vessels, cutaneous nerves. lymphatics ad sweat glands.

Question 14

Features of deep fascia

Answer 14

Relatively tough and sheet like, dense connective tissue, usually white, covers most of the body deep to skin and superficial fascia. Divides limbs into compartments.

Question 15

Deep fascia of thigh

Answer 15

Fascia lata.

Question 16

Deep fascia of the leg

Answer 16

Crural fascia

Question 17

Where does the subclavian become the cephalic?

Answer 17

At the lateral border of rib 1.

Question 18

Basilic Vein

Answer 18

Arises from dorsal venous network, drains into brachial vein. Medial.

Question 19

The great saphenous vein

Answer 19

Arises from the dorsal venous arch medial aspect of limb, drains into femoral vein.

Question 20

Small saphenous vein

Answer 20

Arises from the dorsal venous arch, posterior midline of the leg, drains into the popliteal vein.

Question 21

The most common site of venous ulceration is

Answer 21

The gaiter area - medial aspect of the distal leg.

Question 22

Venous stasis can cause

Answer 22

Deep vein thrombosis - which can lead to a PE.

Question 23

Superficial lymphatics in the leg follow

Answer 23

The saphenous veins.