L8 MS

Question 1

What is the first branch off of the subclavian artery? What is the second branch?

Answer 1

Vertebral artery

Thryocervical trunk

Question 2

What does the thryocervical trunk split into?

Answer 2

Suprascapular a. and Transverse a.

Question 3

What does the Transverse a. split into?

Answer 3

The superficial branch to trapezius

Deep branch to the rhomboids

Question 4

What does the subclavian artery become at the first rib?

Answer 4

Axillary artery

Question 5

How many divisions does the Axillary a. split into?

Answer 5

Three

Question 6

What artery becomes the first axillary division?

Answer 6

Supremethoracic

Question 7

What arteries stem from the second axillary division?

Answer 7

Thoracoacromial and lateral thoracic

Question 8

What arteries stem from the third axillary division?

Answer 8

Subscapular, Circumflex scapular, and Thoracodorsal

Question 9

What does the axillary artery become once it crosses the inferior border of teres major?

Answer 9

Brachial Artery

Question 10

What is the first branch off of the brachial artery?

Answer 10

Profunda brachii

Question 11

What does the brachial artery split into at the cubital fossa?

Answer 11

Radial and Ulnar aa.

Question 12

Which artery gives off branches that anastomose with the distal part of the ulnar artery?

Answer 12

Brachial a.

Question 13

Which artery gives off branches that anastomose with the distal part of the radial artery?

Answer 13

Profunda brachii a.

Question 14

What are the arterial arches in the hand and their primary artery?

Answer 14

Superficial palmar arch (primarily from ulnar a.)
Deep palmar arch (primarily from radial a.)
Dorsal palmar arch (primarily from radial a.)

Question 15

T/F Veins parallel the arteries except for the cutaneous veins

Answer 15

True

Question 16

What two cutaneous veins in the arm do not parallel their arteries?

Answer 16

Cephalic v. - (lateral aspect) runs up arm to connect into subclavian v,
Basilic v. - (medial aspect) helps drain the forearm and connects into brachial v. mid humerus

Question 17

Which muscles make up V-shape of the cubital fossa? What makes up the top of the cubital triangle?

Answer 17

Pronator teres (medially)
Brachioradialis (laterally)
An imaginary line from the medial epicondyle of the humerus to the lateral epicondyle of the same bone

Question 18

What is inside the cubital fossa

Answer 18

Artery: Brachial a.
Veins: Basilic, cephalic, median cubital
Muscle: Biceps brachii
Nerves: Median, Median/Lateral Antebrachial cutaneous