Wrist & Hand - Blood Flow

Question 1

The superficial palmar arch arises from what artery?

Answer 1

Ulnar a

Question 2

When does the superficial palmar arch come off of the ulnar artery?

Answer 2

After the ulnar artery passes distal to the flexor retinaculum

Question 3

The superficial palmar arch gives rise to

Answer 3

4 common palmar digital arteries

Question 4

The superficial palmar arch anastomosis with the

Answer 4

Superficial branch of the radial artery

Question 5

Radial artery runs across the floor of the

Answer 5

anatomical snuff box

Question 6

The dorsal carpal arterial arch arises from what artery?

Answer 6

radial a

Question 7

What is the course of the radial artery in the hand? (5)

Answer 7

• runs across floor of anatomical snuffbox
• give off the dorsal carpal arterial arch
• continues to give off princeps pollicis and radialis indices
• continues to become deep palmar arterial arch
• anastomoses with deep branch of ulnar a

Question 8

The deep palmar arterial arch anastomoses with what artery?

Answer 8

Deep branch of the ulnar artery

Question 9

The deep palmar arterial arch gives off what arteries?

Answer 9

Palmar metacarpal arteries

Question 10

The palmar metacarpal arteries (off the deep palmar arterial arch) anastomose with the

Answer 10

Common palmar digital arteries (off the superficial arch)

Question 11

The dorsal MC arteries are an anastomoses of what two arteries?

Answer 11

Dorsal carpal branch of ulnar artery

Dorsal carpal branch of radial artery

Question 12

The dorsal MC arteries bifurcate into the…

Answer 12

Dorsal digital arteries

(they run to the adjacent sides of the medial 4 fingers)