Monday, October 8, 2012

Muscles of the Arm Quiz Questions

(1) The short head of the biceps brachii originates on the ______ of the scapula and inserts onto the _________ _________.
A. supraglenoid tubercle/styloid process
B. infraglenoid tubercle/coronoid process
C. coracoid process/radial tuberosity
D. coronoid process/olecranon process
E. spine/lateral epicondyle

(2) What muscle originates on the medial epicondyle of the humerus and inserts onto the flexor retinaculum (palmar aponeurosis)?
A. flexor carpi radialis
B. brachioradialis
C. pronator teres
D. extensor digitorum
E. palmaris longus

(3) What muscle originates on the lateral 1/3 of the clavicle, the acromion and the spine of the scapula and inserts onto the deltoid tuberosity?
A. trapezius
B. latissimus dorsi
C. pectoralis major
D. deltoid
E. playsyma

(4) The long head of the triceps brachii originates on the _________ of the scapula and inserts onto the olecranon process of the ulna.
A. coracoid process
B. coronoid process
C. infraglenoid tubercle
D. supraglenoid tubercle
E. radial tuberosity

(5) What muscle originates on the coracoid process of the scapula and inserts onto the middle, medial humerus opposite the deltoid tuberosity?
A. coracohumeralis
B. brachioradialis
C. long head, biceps brachii
D. deltoid
E. coracobrachialis

(6) What muscle originates on the lateral epicondyle of the humerus and inserts onto the 2-5 phalanges?
A. flexor digitorum
B. brachioradialis
C. supinator
D. thenar
E. extensor digitorum

(7) Where exactly on the ulna does the triceps brachii insert?
A. coronoid process
B. coracoid process
C. olecranon process
D. infraglenoid tubercle

(8) Where exactly on the scapula does the long head of the biceps brachii originate?
A. olecranon process
B. coracoid process
C. coronoid process
D. acromion
E. supraglenoid tubercle

(9) What muscles produce the pad of flesh on the thumb side of the palm?
A. longissumus muscles
B. brachioradialis and flexors
C. there are no muscles there, only adipose tissue
D. thenar muscles
E. hypothenar muscles

(10) What head of the triceps brachii originates from the posterior surface of the humerus below the radial groove (lower half)?
A. both long and lateral heads
B. middle head
C. brevis
D. medial
E. short head


(11) What muscle originates on the anterior, distal 1/2 of the humerus and inserts onto the coronoid process of the ulna?
A. brachioradialis
B. biceps brachii
C. medial head, triceps brachii
D. brachialis

(12) Where on the humerus is the origin of the superficial flexors of the wrist?
A. medial epicondyle
B. supracondylar ridge
C. lateral epicondyle
D. greater tubercle

(13) What muscle originates on the lateral epicondyle of the humerus and inserts onto the lateral proximal radius?
A. brachioradialis
B. supinator
C. pronator teres
D. short head, biceps brachii

(14) What muscle originates on the tendon of the extensor digitorum and inserts onto the 5th phalanx?
A. extensor carpi ulnaris
B. supinator
C. flexor carpi radialis longus
D. extensor digitii minimii

(15) The long head of the _______ brachii originates from the supraglenoid tubercle, while the long head of the ________ brachii originates from the infraglenoid tubercle.
A. triceps/biceps
B. biceps/triceps
C. biceps/extensor carpi radialis
D. supinator/pronator teres