Deck 17: Wrist, Hand, and Finger Pathologies

Question 1

What special test indicates a scapholunate ligament injury?

A) Finkelstein's test
B) Watson test
C) Phalen's test
D) Allen test

Answer 1

B

Question 2

Which of the following is responsible for checking radial deviation and becomes taut at the end-ranges of flexion and extension?

A) Radial collateral ligament (RCL)
B) Ulnar collateral ligament (UCL)
C) Palmar radiocarpal ligament
D) Dorsal radiocarpal ligament

Answer 2

B

Question 3

Which pulleys are located on the distal aspect of the metacarpal and the most proximal member of the pulley system?

A) Cruciate
B) Annular
C) Palmar aponeurosis
D) Lumbrical

Answer 3

C

Question 4

What is a fracture of the base of the first metacarpal that extends into the articular surface called?

A) Boxer's fracture
B) Bennett's fracture
C) Scaphoid fracture
D) Volar plate fracture

Question 5

Which wrist pathology is commonly associated with clicking on the ulnar side of the wrist?

A) Trigger finger
B) Triangular fibrocartilage tear
C) Tenosynovities
D) De Quervain syndrome

Question 6

What is an infection around the periphery of the fingernail that results in redness and swelling?

A) Felon
B) Paronychia
C) Hang nail
D) Pilonidal cyst

Question 7

Which of the following is a rupture of the central extensor tendon that causes the lateral bands to slip palmarly on each side of the PIP,changing its line of pull on this joint from an extensor to a flexor?

A) Boutonnière deformity
B) Mallet finger
C) Jerry finger
D) Pseudoboutonnière deformity

Question 8

What is the most commonly fractured carpal bone in the hand?

A) Lunate
B) Capitate
C) Pisiform
D) Scaphoid

Question 9

Which carpal bone is most commonly dislocated?

A) Scaphoid
B) Lunate
C) Pisiform
D) Trapezium

Question 10

Which carpal bone is palpable as the floor of the anatomical snuffbox?

A) Trapezoid
B) Capitate
C) Pisiform
D) Scaphoid

Question 11

Which of the following is a nonarticular fracture of the radius occurring approximately 1.5 inches proximal to the radiocarpal joint,causing the distal radius to be displaced dorsally?

A) Reverse Colles' fracture
B) Tom's fracture
C) Colles' fracture
D) Smith's fracture

Question 12

Which bone in the hand is involved in a boxer's fracture?

A) Scaphoid
B) Third metacarpal
C) Fifth metacarpal
D) Radial styloid process

Question 13

What is the special test used to support or refute the presence of de Quervain syndrome?

A) Finkelstein's test
B) Phalen's test
C) Adson's test
D) Tinel's sign

Question 14

Trauma or pathology to which nerve results in a drop-wrist deformity?

A) Radial
B) Ulnar
C) Median
D) Musculocutaneous

Question 15

What is the muscle responsible for flexing the four proximal interphalangeal (PIP)joints?

A) Flexor carpi radialis
B) Flexor carpi ulnaris
C) Palmaris longus
D) Flexor digitorum superficialis

Question 16

Which nerve travels through the tunnel of Guyon?

A) Ulnar
B) Median
C) Radial
D) Musculocutaneous

Question 17

What is the primary extensor of the lateral four fingers' interphalangeal (IP)joints and assists in wrist extension?

A) Extensor carpi radialis longus
B) Extensor carpi radialis brevis
C) Extensor carpi ulnaris
D) Extensor digitorum communis

Question 18

Which nerve travels through the carpal tunnel in the wrist?

A) Ulnar
B) Median
C) Radial
D) Musculocutaneous

Question 19

What is a benign collection of thick fluid within a tendinous sheath or joint capsule found on the wrist and hand called?

A) Baker's cyst
B) Ganglion cyst
C) Pilonidal cyst
D) Popliteal cyst

Question 20

Which ligament forms the roof of the carpal tunnel?

A) Radiocarpal
B) Ulnar carpal
C) Transverse carpal
D) Palmar

Question 21

Upon suffering a perilunate or lunate dislocation,active ROM is typically noted as painful for which of the following?

A) Flexion and ulnar deviation
B) Flexion and extension
C) Extension and ulnar deviation
D) Extension

Question 22

Which of the following is an extrinsic muscle of the wrist?

A) Extensor pollicis brevis
B) Flexor digiti minimi
C) Abductor pollicis brevis
D) Flexor pollicis brevis

Question 23

Upon suffering a scapholunate dislocation,range of motion (ROM)is typically noted as painful for which of the following?

A) Flexion and ulnar deviation
B) Flexion and extension
C) Extension and ulnar deviation
D) Extension

Question 24

Which of the following is not a function of the triangular fibrocartilage complex (TFCC)?

A) It decreases loading stresses.
B) It provides stability during flexion and extension.
C) It provides stability during pronation and supination.
D) It stabilizes the distal radioulnar joint.

Question 25

Which of the carpal bones "floats" on the triquetrum?

A) Capitate
B) Scaphoid
C) Pisiform
D) Lunate

Question 26

Which of the following statements is correct?

A) An avulsion of the flexor digitorum profundus is known as mallet finger.
B) A mallet finger presents with an inability to actively flex the distal interphalangeal joint (DIP).
C) Pseudoboutonnière deformities show with limited active and passive extension.
D) A rupture of the volar plate is known as a boutonnière deformity.

Question 27

The deep branch of what nerve innervates the hypothenar eminence?

A) Radial
B) Ulnar
C) Median
D) Interosseous

Question 28

A reverse Phalen's test is used to assess which nerve?

A) Median
B) Ulnar
C) Radial
D) Musculocutaneous

Question 29

Which of the following statements is not correct?

A) The trapezoid aligns with the first metacarpal.
B) The capitate aligns with the third metacarpal.
C) The pisiform is in the proximal row of carpal bones.
D) The lunate is the third bone in the proximal row when starting on the ulnar side.

Question 30

Which of the following is a standard radiograph taken for suspected scaphoid fracture?

A) Anteroposterior with wrist in neutral
B) Anteroposterior with wrist ulnarly deviated
C) Medial view
D) 45° pronation

Question 31

Which ligament is not stressed during passive flexion of the wrist?

A) Dorsal radiocarpal
B) Radial collateral
C) Ulnar collateral
D) Palmar ulnocarpal

Question 32

Which is false regarding a scaphoid fracture?

A) Of carpal fractures, 70% involve the scaphoid.
B) It is common because of its role as a bony block-limiting flexion.
C) It is most common in people ages 15 to 30.
D) It has a high incidence in nonunion fractures.

Question 33

Which nerve supplies the primary innervation for wrist flexion and radial deviation?

A) Median
B) Ulnar
C) Radial
D) Musculocutaneous

Question 34

What are small cuts or abrasions over the dorsal surface of the MCP or IP joints known as?

A) Raynaud's phenomenon
B) Keinböck's sign
C) Russell's sign
D) Preiser's sign

Question 35

Which finger's MCP is not commonly injured?

A) First digit
B) Fifth digit
C) Second digit
D) Third digit

Question 36

Which ligament is most important in controlling motion and wrist stability?

A) Radial collateral
B) Ulnar collateral
C) Dorsal radiocarpal
D) Palmar radiocarpal

Question 37

An isometric test in midrange is the recommended method to determine muscle pain or weakness.

Question 38

Which of the following muscles does not influence wrist movement?

A) Extensor carpi radialis longus
B) Brachioradialis
C) Flexor digitorum superficialis
D) Flexor carpi ulnaris

Question 39

Which of the following does not pass through the carpal tunnel?

A) Median nerve
B) Flexor pollicis longus
C) Flexor digitorum profundus tendons
D) Flexor pollicis brevis

Question 40

Which of the following is a radial fracture that displaces palmarly?

A) Smith's fracture
B) Boxer's fracture
C) Colles' fracture
D) Bennet's fracture

Question 41

Ape hand is a pathological hand posture resulting from weakness and atrophy of the hypothenar eminence.

Question 42

The probability of fracturing the hook of the hamate is increased when someone is gripping an object such as a bat or racquet.

Question 43

Patients with carpal tunnel syndrome typically describe increased pain when sleeping.

Question 44

Name the two muscles of the flexor grouping that are not innervated by the median nerve.

Question 45

An individual suffering from de Quervain's syndrome will typically undergo a series of magnetic resonance imaging.