B12 Anatomy

Question 1

Where does the long head of the biceps brachii muscle originate?

Answer 1

Supraglenoid tubercle of scapula

Question 2

Where does the long head of the biceps brachii muscle insert?

Answer 2

Radial tuberosity

Question 3

Where does the short head of the biceps brachii muscle originate?

Answer 3

Coracoid process of scapula

Question 4

Where does the short head of the biceps brachii muscle insert?

Answer 4

Radial tuberosity

Question 5

Where does the coracobrachialis originate?

Answer 5

Coracoid process of scapula

Question 6

Where does the coracobrachialis insert?

Answer 6

Medial side of humeral shaft (deltoid tuberosity)

Question 7

Where does the brachialis muscle originate?

Answer 7

Medial and lateral surfaces of humeral shaft

Question 8

Where does the brachialis muscle insert?

Answer 8

Ulnar tuberosity

Question 9

What are the heads of the triceps brachii?

Answer 9

Long, lateral, medial

Question 10

Where does the long head of the triceps brachii originate?

Answer 10

Infraglenoid tubercle

Question 11

Where does the lateral head of the triceps brachii originate?

Answer 11

Humerus (above radial groove)

Question 12

Where does the medial head of the triceps brachii originate?

Answer 12

Humerus (below radial groove)

Question 13

Where does the triceps brachii muscle insert?

Answer 13

Olecranon of ulna

Question 14

What is the biceps brachii muscle innervated by?

Answer 14

Musculocutaneous nerve

Question 15

What is the coracobrachialis muscle innervated by?

Answer 15

Musculocutaneous nerve

Question 16

What is the brachialis muscle innervated by?

Answer 16

Musculocutaneous nerve with contributions from the radial

Question 17

What is the triceps innervated by?

Answer 17

Radial nerve

Question 18

What muscle is responsible for supination of the arm?

Answer 18

Biceps brachii

Question 19

What is the function of the coracobrachialis muscle?

Answer 19

Flexion at shoulder

Weak adduction

Question 20

What muscle is responsible for flexion at the elbow?

Answer 20

Brachialis

Question 21

What muscle is responsible for extension at the elbow?

Answer 21

Triceps brachii

Question 22

What are ulnar recurrent arteries?

Answer 22

The ulnar collateral arteries once they pass the humerus

Question 23

What are the ulnar collateral arteries?

Answer 23

Elbow arterial supply coming off the brachial artery

Question 24

What artery supplies the deep structures on the posterior aspect of the arm?

Answer 24

Deep brachial artery

Question 25

What is the role of the brachial artery?

Answer 25

Supplies the upper arm, below the humeral head

Question 26

What does the brachial artery bifurcate into?

Answer 26

Ulnar artery

Radial artery

Question 27

Where are venous blood samples usually collected?

Answer 27

Median cubital vein

Question 28

Where does the medial cubital vein pass?

Answer 28

Cephalic vein -> basilic vein

Question 29

What is the brachial vein formed from?

Answer 29

Radial vein

Ulnar vein

Question 30

Is the brachial vein superficial or deep?

Answer 30

Deep

Question 31

What is the basilic vein?

Answer 31

The product of the palmar venous arches draining into one place

Question 32

Where does the basilic vein drain?

Answer 32

Axillary vein

Question 33

What vein empties the superficial arch of the palmar venous arches?

Answer 33

Cephalic vein

Question 34

Where does the cephalic vein drain into?

Answer 34

Subclavian vein