KNPE 325 Exam 3 Wrist, Hand, and fingers

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

True

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

True

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

True Gripping these objects please direct pressure on the hook of the hamate.

Which ligament is most important in controlling motion and wrist stability? a. Radial collateral b. Palmar radiocarpal c. Dorsal radiocarpal d. Ulnar collateral

b. Palmar radiocarpal

Which of the carpal bones "floats" on the triquetrum? a. Scaphoid b. Pisiform c. Lunate d. Capitate

b. Pisiform

What are small cuts or abrasions over the dorsal surface of the MCP or IP joints known as? a. Keinböck's sign b. Russell's sign c. Preiser's sign d. Raynaud's phenomenon

b. Russell's sign

Allen's test is used to test what? a. For tarsal tunnel syndrome b. The integrity of the radial and ulnar arteries of the hand c. Integrity of the ulnar nerve d. For carpal tunnel syndrome e. The integrity of the vertebral arteries

b. The integrity of the radial and ulnar arteries of the hand

Which of the following statements is not correct? a. The capitate aligns with the third metacarpal. b. The trapezoid aligns with the first metacarpal. c. The lunate is the third bone in the proximal row when starting on the ulnar side. d. The pisiform is in the proximal row of carpal bones.

b. The trapezoid aligns with the first metacarpal.

Which ligament forms the roof of the carpal tunnel? a. Ulnar carpal b. Transverse carpal c. Radiocarpal d. Palmar

b. Transverse carpal

Which of the following is a simple movement to check the integrity of the radial nerve? a. Shoulder flexion b. Wrist extension c. Elbow flexion d. Thumb-to-little finger opposition e. Forearm supination

b. Wrist extension

What is a fracture of the base of the first metacarpal that extends into the articular surface called? a. Boxer's fracture b. Scaphoid fracture c. Bennett's fracture d. Volar plate fracture

c. Bennett's fracture

Which of the following is classified as a saddle joint and is capable of 2 degrees of freedom? a. Fifth metacarpophalangeal joint b. Fourth carpometacarpal joint c. First carpometacarpal joint d. First metacarpophalangeal joint e. Fifth carpometacarpal joint

c. First carpometacarpal joint

What is the muscle responsible for flexing the four proximal interphalangeal (PIP) joints? a. Flexor carpi radialis b. Flexor carpi ulnaris c. Flexor digitorum superficialis d. Palmaris longus

c. Flexor digitorum superficialis

Which is false regarding a scaphoid fracture? a. Of carpal fractures, 70% involve the scaphoid. b. It is most common in people ages 15 to 30. c. It is common because of its role as a bony block-limiting flexion. d. It has a high incidence in nonunion fractures.

c. It is common because of its role as a bony block-limiting flexion.

Which of the following is not a function of the triangular fibrocartilage complex (TFCC)? a. It stabilizes the distal radioulnar joint. b. It provides stability during flexion and extension. c. It provides stability during pronation and supination. d. It decreases loading stresses.

c. It provides stability during pronation and supination.

A reverse Phalen's test is used to assess which nerve? a. Musculocutaneous b. Radial c. Median d. Ulna

c. Median

A basketball player is undercut while dunking and uses his outstretched hand to break his fall. He reports immediate pain in his wrist and fracture is suspected. Which carpal bone is most commonly fractured? a. Pisiform b. Lunate c. Scaphoid d. Hamate e. Capitate

c. Scaphoid

Which carpal bone is palpable as the floor of the anatomical snuffbox? a. Capitate b. Pisiform c. Scaphoid d. Trapezoid

c. Scaphoid

The deep branch of what nerve innervates the hypothenar eminence? a. Median b. Radial c. Ulnar d. Interosseous

c. Ulnar

Which of the following is responsible for checking radial deviation and becomes taut at the end-ranges of flexion and extension? a. Dorsal radiocarpal ligament b. Palmar radiocarpal ligament c. Ulnar collateral ligament (UCL) d. Radial collateral ligament (RCL)

c. Ulnar collateral ligament (UCL)

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

False Ape hand results from weakness and atrophy of the thenar eminence.

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

False

Which bone in the hand is involved in a boxer's fracture? a. Fifth metacarpal b. Scaphoid c. Radial styloid process d. Third metacarpal

a. Fifth metacarpal

What is the special test used to support or refute the presence of de Quervain syndrome? a. Finkelstein's test b. Adson's test c. Phalen's test d. Tinel's sign

a. Finkelstein's test

What is an infection around the periphery of the fingernail that results in redness and swelling? a. Paronychia b. Pilonidal cyst c. Hang nail d. Felon

a. Paronychia

Which of the following statements is correct? a. Pseudoboutonnière deformities show with limited active and passive extension. b. A mallet finger presents with an inability to actively flex the distal interphalangeal joint (DIP). c. A rupture of the volar plate is known as a boutonnière deformity. d. An avulsion of the flexor digitorum profundus is known as mallet finger.

a. Pseudoboutonnière deformities show with limited active and passive extension

Trauma or pathology to which nerve results in a drop-wrist deformity? a. Radial b. Median c. Ulnar d. Musculocutaneous

a. Radial

Which nerve travels through the tunnel of Guyon? a. Ulnar b. Musculocutaneous c. Median d. Radial

a. Ulnar

What special test indicates a scapholunate ligament injury? a. Watson test b. Allen test c. Phalen's test d. Finkelstein's test

a. Watson test

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. Extension c. Flexion and extension d. Extension and ulnar deviation

b. Extension

Which of the following is an extrinsic muscle of the wrist? a. Abductor pollicis brevis b. Extensor pollicis brevis c. Flexor digiti minimi d. Flexor pollicis brevis

b. Extensor pollicis brevis

Which nerve travels through the carpal tunnel in the wrist?a. Radial b. Median c. Musculocutaneous d. Ulnar

b. Median

During a wrist evaluation, an athletic trainer completes Tinel's sign test. The athlete complains of tingling and paresthesia in the area of the nerve distribution. What should the athletic trainer do? a. Assess the strength of the wrist flexor and extensor muscles. b. Assess the integrity of the ulnar nerve at the elbow to rule out other pathologies. c. Assess the strength of the muscles of the hypothenar eminence. d. Assess the integrity of the median nerve at the elbow, shoulder, and neck to rule out other pathologies. e. Inspect the area for neurovascular deficits to rule out other pathologies.

d. Assess the integrity of the median nerve at the elbow, shoulder, and neck to rule out other pathologies.

Which of the following muscles does not influence wrist movement? a. Flexor digitorum superficialis b. Flexor carpi ulnaris c. Extensor carpi radialis longus d. Brachioradialis

d. Brachioradialis

A positive Phalen's sign is suspect of what problem? a. Long thoracic nerve injury b. Suprascapular entrapment syndrome c. Thoracic outlet syndrome d. Carpal tunnel syndrome e. Tarsal tunnel syndrome

d. Carpal tunnel syndrome

What is the primary extensor of the lateral four fingers' interphalangeal (IP) joints and assists in wrist extension? a. Extensor carpi ulnaris b. Extensor carpi radialis brevis c. Extensor carpi radialis longus d. Extensor digitorum communis

d. Extensor digitorum communis

Upon suffering a scapholunate dislocation, range of motion (ROM) is typically noted as painful for which of the following? a. Extension b. Flexion and ulnar deviation c. Extension and ulnar deviation d. Flexion and extension

d. Flexion and extension

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. Popliteal cyst c. Pilonidal cyst d. Ganglion cyst

d. Ganglion cyst

Which carpal bone is most commonly dislocated? a. Scaphoid b. Pisiform c. Trapezium d. Lunate

d. Lunate

Which of the carpal bones is most commonly dislocated? a. Hamate b. Triquetral c. Cuboid d. Lunate e. Scaphoid

d. Lunate

Which nerve supplies the primary innervation for wrist flexion and radial deviation? a. Musculocutaneous b. Radial c. Ulnar d. Median

d. Median

Which pulleys are located on the distal aspect of the metacarpal and the most proximal member of the pulley system? a. Lumbrical b. Cruciate c. Annular d. Palmar aponeurosis

d. Palmar aponeurosis

Which of the following is a radial fracture that displaces palmarly? a. Boxer's fracture b. Bennet's fracture c. Colles' fracture d. Smith's fracture

d. Smith's fracture

An athlete complains of a collection of a thick fluid within a tendinous sheath of her wrist extensor tendons. What is the most appropriate advice to give the athlete to manage this condition? a. Initiate comprehensive rehabilitation program focusing on wrist flexion range-of-motion strength of wrist extensors. b. Tape to limit wrist flexion, and avoid repetitive wrist flexion exercises. c. Seek evaluation from a wrist/hand surgeon regarding excision. d. Treat the condition symptomatically, and play as tolerated. e. Utilize a paraffin bath and cross-friction massage daily to break up the fluid.

d. Treat the condition symptomatically, and play as tolerated.

Which wrist pathology is commonly associated with clicking on the ulnar side of the wrist? a. Trigger finger b. Tenosynovities c. De Quervain syndrome d. Triangular fibrocartilage tear

d. Triangular fibrocartilage tear

You evaluate a basketball player who has sustained a finger injury while attempting to catch a ball. During your examination, you observe that the athlete is unable to extend the distal phalanx and the tip of his finger is positioned in approximately 30 degrees of flexion. You determine the athlete has mallet finger. This injury is caused by which of the following? a. Tenosynovitis of the abductor pollicis longus b. Dupuytren's contracture c. A subungual hematoma d. A sprain of the extensor pollicis brevis e. An avulsion of the extensor tendon from its insertion

e. An avulsion of the extensor tendon from its insertion