MSK quiz questions Flashcards
Which finger does the second lumbrical act on?
The third finger
Which of the following muscles is only capable of exerting its action at the elbow joint?
a. Pronator quadratus
b. Adductor pollicis
c. Supinator
d. Extensor digitorum
e. Brachioradialis
e. Brachioradialis
Which of the following is innervated by the median nerve?
a.Lumbrical #4
b.Palmaris brevis
c.Opponens pollicis
d.Dorsal interossei #2
e.Adductor pollicis
c. Opponens pollicis
Which of the following muscles does not originate on the lateral epicondyle of the humerus?
a.Extensor digitorum
b.Extensor digiti minimi
c.Extensor carpi radialis brevis
d.Extensor carpi radialis longus
e.Extensor carpi ulnaris
d. Extensor carpi radialis longus
Which of the following carpal bones does not participate in forming the carpal arch?
a.Trapezoid
b. Pisiform
c.Trapezium
d. Scaphoid
e. Hamate
d. Scaphoid
If the 4th dorsal interosseous muscle is paralyzed, which of the following movements is absent?
a.Flexion of the 5th finger at the MCP joint
b.Abduction of the 4th finger at the MCP joint
c.Adduction of the 4th finger at the MCP joint
d.Flexion of the 3rd finger at the MCP joint
e.Abduction of the 5th finger at the MCP joint
b.Abduction of the 4th finger at the MCP joint
Which of the following muscles is NOT one of the hypothenar muscles?
a.Opponens digiti minimi
b.4th lumbrical
c.Palmaris brevis
d.Flexor digiti minimi
b.4th lumbrical
Which of the following muscles inserts on the base of the first metacarpal?
a.Extensor indicis
b.Adductor pollicis
c.Abductor pollicis longus
d.Extensor pollicis longus
e.Extensor pollicis brevis
c.Abductor pollicis longus
Which of the following muscles is least likely to be impacted if your patient is diagnosed with lateral epicondylitis?
a.Extensor digitorum
b.Extensor indicis
c.Extensor carpi radialis brevis
d.Brachioradialis
e.Extensor carpi ulnaris
d.Brachioradialis
Which of the following makes up the posterior boundary of the anatomical snuffbox?
a.Abductor pollicis brevis
b.Abductor pollicis longus
c.Extensor indicis
d.Extensor pollicis longus
e.Extensor pollicis brevis
d.Extensor pollicis longus
Muscles in the posterior compartment of the arm are collectively innervated by which of the following?
a.Musculocutaneous nerve
b.Median nerve
c.Radial nerve
d.Ulnar nerve
e.Axillary nerve
c.Radial nerve
Which of the following represents the action of flexor carpi ulnaris?
a.Flexion and Adduction of hand
b.Flexion and adduction of forearm
c.Flexion and abduction of hand
d.Flexion of digits 2-5
e.Flexion of digit 1
a.Flexion and Adduction of hand
All of the following options are somehow related to the flexor-pronator compartment of the forearm EXCEPT:
a.Ulnar nerve
b.Palmaris longus
c.Lateral epicondyle of the humerus
d.Median nerve
c.Lateral epicondyle of the humerus
Your patient has sustained damage to the lateral cord of the brachial plexus, impacting their musculocutaneous nerve. Which of the following movements would be most likely impacted by this injury?
a.Extension of the shoulder
b.Flexion of the forearm
c.Flexion of the wrist
d.Extension of the forearm
e.Pronation of the forearm
b.Flexion of the forearm
Which tendon is NOT found in the carpal tunnel?
a.Flexor digitorum superficialis
b.Flexor pollicis longus
c.Flexor digitorum profundus
d.Flexor carpi radialis
d.Flexor carpi radialis