Damage to the posterior arch of the atlas vertebra would most likely endanger?
The vertebral artery
Which of the muscles receive(s) innervation derived from the posterior division or cord of the brachial plexus?
All of the following: latissimus dorsi, deltoid, extensor carpi radialis longus, teres major
To determine if the recurrent branch of the median nerve is injured, one should test:
opposition of thumb - opposed by opponens pollicis m.
Which nerve or artery are most likely to be damaged by a fracture of the medial epicondyle of the humerus?
The dorsal scapular artery provides the principal blood supply to:
rhomboid major muscle
The area most in jeopardy because of loss of the common interosseous artery is:
Extensor compartment of forearm
The biceps brachii muscle can:
flex the forearm, flex the arm. supinate
A patient with severe injury to his arm displays the following functional deficits: very weak flexion of forearm, some weakness in flexion of the arm, and severe weakness in supination. The damaged nerve is the:
musculocutaneous nerve - innervates the Coracobrachialis, Biceps Brachii, and Brachialis muscles.
Deep fascia over forearm extensors:
attaches to radius and ulna AND is important in helping venous blood in conjunction with muscle activity to return
Branches from the medial cord of the brachial plexus are derived primarily from:
C8 and T1
Extension at the metacarpophalangeal joints is accomplished by :
extensor digitorum (communis), extensor indicis proprious and extensor difiti minimi mm.
Flexion as the metacarpophalangeal joints is accomplished by the:
Flexor digitorum superficialis and profundus, lumbricals, and interossei.
In the case of the little finger is assisted by the flexor digiti minimi brevis
Flexion of thumb is accomplished by:
Flexors pollicis longus and brevis
Extension of thumb is accomplished by:
extensors pollicis longus and brevis
The only muscle capable of flexing the distal interphalangeal joints of each of the four fingers (2-5):
Flexor digitorum profundus
A dermatome is defined as the area of skin supplied by:
dorsal root of a spinal nerve
In attempting to anesthetize areas supplied by the-median nerve distal to the wrist, an injection should be attempted:
lateral to the tendon of the palmaris longus
The' ligamenta flava attach:
The nerve which is geographically most closely related to the brachial artery in the cubital fossa is the:
a membrane firmly attached to spinal cord
contains a complex system of veins and some fatty tissue
continuous with the epineurium of peripheral nerves
contains muscle which can flex the arm
anterior axillary fold
posterior axillary fold
connects supraspinous fossa with infraspinous fossa
great scapular notch
pectoralis major muscle where is it?
anterior axillary fold
bony landmark associated with namng the three portions of the axillary artery
coracoid process of scapula
Which nerve(s) can be responsible for sensation on the dorsolateral aspect of the hand?
The subscapularis muscle:
receives a nerve or nerves from the posterior cord of the brachial plexus; forms part of the posterior wall of the axilla; is a ","otator cuff': muscle and holds the humerus in the glenoid fossa; rotates the humerus medially
Which of the following arteries are commonly direct branches of the axillary artery?circumflex scapular, transverse cervical, suprascapular, thoracoacromial
Which of the following contribute to "winged scapula"?
paralyzed serratus anterior muscle; a damaged long thoracic nerve