UPPER LIMB: Neurovasc

Question 1

Brachial plexus is formed by

Answer 1

Ventral rami of C5. to T1

-c5 to t1 grab the bible for the nun (with your arms)

Question 2

What nerves arise from the posterior cord?

+ roots

Answer 2

AXILLARY N. (C5, C6)

and

RADIAL N. (C6, C7, C8)

Question 3

What nerve(s) arise from the lateral cord?

Answer 3

MUSCULOCUTANEOUS N. (C5, C6)

Question 4

What nerve(s) arise from the medial and lateral cord?

Answer 4

MEDIAN N. (C6-T1)

and

ULNAR N. (C8, T1)

Question 5

Where does the basilic vein arise from and become?

Answer 5

originates from the dorsal venous network of the hand and ascends the medial aspect of the upper limb.

combines with brachial veins to form the axillary vein

Question 6

Where does the cephalic vein arise from and become?

Answer 6

arises from the dorsal venous network of the hand. It ascends the antero-lateral aspect of the upper limb, passing anteriorly at the elbow.

=> joins axillary v. empties into subclavian

Question 7

Where does the ulnar vein arise from and its significance?

Answer 7

The deep venous palmar arch gives rise to the main deep veins of the forearm, namely the radial and ulnar veins.

deep venous palmar arch receives the palmar metacarpal veins and drains predominantly into the radial veins of the lateral forearm.

Question 8

The X vein arises at the lateral end of the dorsal venous arch and Y vein arises at the medial end of the dorsal venous arch

Answer 8

Cephalic = Lateral

Basilic. = medial end