The axillary artery begins at the lateral border of the 1st rib. Where does the axillary artery turn into the brachial artery?
Inferior border of teres major
commonly fractured bone, the first bone to begin ossification but the last bone to complete ossification, and the only long bone to be ossified intramembranously (other bones of the upper limb develop by endochondral ossification)
What is the clavicle?
Superficial back muscle that extends, adducts, and medially rotates humerus
What is the latissimus dorsi?
Becomes the lateral cutaneous nerve of the forearm
What is the musculocutaneous nerve?
Other than the muscles innervated by the median nerve and the palmaris brevis all the remaining intrinsic muscles of the hand are innervated by the...
What is the deep branch of the ulnar nerve?
Vessels that are located within the quadrangular space
Injury to this nerve results in weakness of supination (biceps) and flexion (biceps, brachialis, and coracobrachialis) of the forearm and loss of sensation on the lateral side of the forearm
What is the musculocutaneous nerve?
The muscles of the suboccipital region participate in what action?
What is extension ("yes") and rotation ("no") of the head and neck?
The flexor digitorum profundus tendon inserts onto the base of which phalanx?
Main contributor to the deep palmar arch
What is the radial artery?
Injury to what nerve would result in winging of scapula when patient presses against a wall and what muscle does it innervate? 
What is the long thoracic nerve and serratus anterior muscle?
An 18-year-old boy involved in an automobile accident presents with an arm that cannot abduct. His paralysis is caused by damage to which of the following nerves?
(A) Suprascapular and axillary
(B) Thoracodorsal and upper subscapular
(C) Axillary and musculocutaneous
(D) Radial and lower subscapular
(E) Suprascapular and dorsal scapular
What are the suprascapular and axillary nerves?
A 42-year-old woman with metastatic breast cancer is known to have tumors in the intervertebral foramina between the fourth and fifth cervical vertebrae and between the fourth and fifth thoracic vertebrae. Which of the following spinal nerves may be damaged?
A. Fourth cervical and fourth thoracic nerves
B. Fifth cervical and fifth thoracic nerves
C. Fourth cervical and fifth thoracic nerves
D. Fifth cervical and fourth thoracic nerves
E. Third cervical and fourth thoracic nerves
What are the fifth cervical and fourth thoracic nerves?
The posterior interosseous nerve is the continuation of the deep branch of the radial nerve after it passes through which muscles?
What is the supinator muscles?
The victim of an automobile accident has crushed the proximal row of carpal bones. Which of the following bones is most likely damaged?
A. Capitate
B. Hamate
C. Trapezium
D. Triquetrum
E. Trapezoid
What is the triquetrum?
Caused by an injury during a breech delivery or a violent displacement of the head from the shoulder such as might result from a fall from a motorcycle or horse. Associated with "waiter's tip" positioning of arm on affected side.
What is Erb's palsy?
Calcification of the ____________ is a common cause of suprascapular nerve entrapment syndrome
What is the superior transverse scapular ligament?
A 34-year-old woman crashes into a tree during a skiing lesson and is brought to a hospital with multiple injuries that impinge the dorsal primary rami of several spinal nerves. Such lesions could affect which of the following muscles?
A. Rhomboid major
B. Levator scapulae
C. Serratus posterior superior
D. Iliocostalis
E. Latissimus dorsi
What is the iliocostalis?
A construction worker suffers a destructive injury of the structures related to the anatomic snuffbox. Which of the following structures would most likely be damaged?
A. Triquetral bone
B. Trapezoid bone
C. Extensor indicis tendon
D. Abductor pollicis brevis tendon
E. Radial artery
What is the radial artery?
A man is unable to hold typing paper between his index and middle fingers. Which of the following nerves was likely injured?
A. Radial nerve
B. Median nerve
C. Ulnar nerve
D. Musculocutaneous nerve
E. Axillary nerve
What is the ulnar nerve?
In the case of vascular stenosis of the axillary artery secondary to an injury or atherosclerotic lesion, the blood flow to the distal extremity can be maintained by what 3 arteries?
Suprascapular artery
Dorsal scapular artery
Circumflex subscapular artery
The most common type of shoulder dislocation is anterior inferior dislocation. What ligament must fail for this to occur?
What is the inferior glenohumeral ligament?
A 25-year-old soldier suffers a gunshot wound on the lower part of his back and is unable to move his legs. A neurologic examination and MRI scan reveal injury of the cauda equina. Which of the following is most likely damaged?
A. Dorsal primary rami
B. Ventral primary rami
C. Dorsal roots of the thoracic spinal nerves
D. Ventral roots of the sacral spinal nerves
E. Lumbar spinal nerves
What are the ventral roots of the sacral spinal nerves?
Carpal tunnel syndrome leads to pain and paresthesia in the areas of hand supplied by the median nerve. Additionally, it may cause atrophy of which muscles of the hand?
What are the thenar muscles?
Which two carpal bones are important in relation to the ulnar nerve in the wrist?
What are the pisiform and hamate bones?