Fractures & dislocations
Smith's fracture is characterized by:
a) Dorsal displacement of the distal radius
b) Volar displacement of the distal radius
c) Fracture of the radial head
d) Avulsion fracture of the ulnar styloid
b) Volar displacement of the distal radius
Osteoarthritis of the 1st carpometacarpal joint typically presents with:
a) Pain over the dorsal wrist
b) Pain at the base of the thumb
c) Pain over the lateral epicondyle
d) Pain over the radial styloid
b) Pain at the base of the thumb
Klumpke's palsy results from injury to:
a) C5-C6 roots
b) C6-T1 roots
c) C6-C7 roots
d) C7-T1 roots
b) C6-T1 roots
Colles' fracture typically presents with:
a) Dorsal displacement of the distal radius
b) Fracture of the ulna alone
c) Disruption of the interosseous membrane
d) Disruption of the interosseous membrane
a) Dorsal displacement of the distal radius
Carpal tunnel syndrome results from compression of which nerve?
a) Ulnar nerve
b) Musculocutaneous nerve
c) Radial nerve
d) Median nerve
d) Median nerve
Sergeant's patch numbness is indicative of injury to which nerve?
a) Axillary nerve
b) Radial nerve
c) Ulnar nerve
d) Median nerve
a) Axillary nerve
Essex-lopresti injury involves:
a) Distal radius fracture with dorsal displacement
b) Dislocation of the ulna with rupture of the radial collateral ligament
c) Fracture of the scaphoid with dorsal intercalated segment instability
d) Fracture of the radial head with disruption of the interosseous membrane
d) Fracture of the radial head with disruption of the interosseous membrane
Tennis elbow is associated with:
a) Lateral epicondylitis
b) Flexor tendon inflammation
c) Ulnar nerve compression
d) Medial epicondylitis
a) Lateral epicondylitis
Neurotmesis involves:
a) Reversible conduction block
b) Partial axonal injury with recovery
c) Complete nerve division
d) Compression neuropathy
c) Complete nerve division
Which of the following is true regarding a Monteggia fracture-dislocation?
a) It involves a fracture of the radius with dislocation of the ulna
b) It involves a fracture of the ulna with dislocation of the radial head
c) It is treated conservatively in all cases
d) It primarily affects the distal forearm
b) It involves a fracture of the ulna with dislocation of the radial head
Golfer's elbow is associated with:
a) Ulnar nerve compression
b) Extensor tendon inflammation
c) Medial epicondylitis
d) Lateral epicondylitis
c) Medial epicondylitis
Axonotmesis is characterized by:
a) Complete severance of a nerve
b) Intact nerve sheath with axonal damage
c) No structural damage to the nerve
d) Local nerve compression without functional loss
b) Intact nerve sheath with axonal damage
Galeazzi fracture is best described as:
a) Fracture of the distal ulna with dislocation of the radial head
b) Fracture of the distal radius with dislocation of the ulna at the wrist
c) Fracture of the distal radius with distal radioulnar joint dislocation
d) Fracture of the scaphoid with proximal pole avascular necrosis
c) Fracture of the distal radius with distal radioulnar joint dislocation
Dupuytren's disease primarily affects which structure?
a) Median nerve
b) Palmar aponeurosis
c) Carpal tunnel
d) Extensor pollicis longus
b) Palmar aponeurosis
Neurapraxia is best described as:
a) Complete nerve disruption
b) Axonal disruption with intact nerve sheath
c) Transient conduction block without axonal disruption
d) Nerve avulsion
c) Transient conduction block without axonal disruption