Tendon & Nerve Injuries Flashcards
(45 cards)
Which classification system describes neuropraxia, axonotmesis, and neurotmesis?
A) Sunderland
B) Seddon
C) Wilkes
D) Neer
B) Seddon
What percentage of elongation disrupts blood flow in a nerve?
A) 5%
B) 8%
C) 10%
D) 15%
B) 8%
At what pressure (in mmHg) does paresthesia occur due to compression of a nerve?
A) 10 mmHg
B) 30 mmHg
C) 50 mmHg
D) 70 mmHg
B) 30 mmHg
Which of the following best describes axonotmesis?
A) Conduction block without Wallerian degeneration
B) Complete nerve division
C) Axon & myelin sheath disruption
D) Axons and CT in continuity
C) Axon & myelin sheath disruption
Which of the following is NOT a common treatment method for neurotmesis?
A) Direct nerve repair
B) Nerve grafting
C) Tendon transfers
D) Physical therapy alone
D) Physical therapy alone
What is the typical recovery time for nerve axon migration after an injury?
A) 1 mm/day
B) 2 mm/day
C) 1 cm/day
D) 2 cm/day
A) 1 mm/day
Which condition involves pain, sensory disturbances, and sometimes upper extremity swelling due to compression of the brachial plexus?
A) Carpal Tunnel Syndrome
B) Cubital Tunnel Syndrome
C) Thoracic Outlet Syndrome
D) De Quervain’s Tenosynovitis
C) Thoracic Outlet Syndrome
What is the primary aim of sensory re-education after nerve repair or grafting?
A) To prevent contractures
B) To improve sensibility
C) To manage edema
D) To promote scar formation
B) To improve sensibility
Which nerve transfer involves moving the spinal accessory nerve to the suprascapular nerve?
A) Oberlin transfer
B) Spinal accessory nerve to suprascapular nerve
C) Radial nerve to axillary nerve
D) Median nerve to musculocutaneous nerve
B) Spinal accessory nerve to suprascapular nerve
What is the typical immobilization period after tendon transfer surgery?
A) 1 week
B) 2 weeks
C) 4 weeks
D) 6 weeks
C) 4 weeks
Which phase of tendon healing involves fibroblast activity and collagen production?
A) Inflammatory phase
B) Fibroplastic phase
C) Remodeling phase
D) Degenerative phase
B) Fibroplastic phase
In flexor tendon injuries, what is the main concern when managing injuries in Zone II?
A) Fractures
B) Adhesions
C) Neurovascular compromise
D) Tendon elongation
B) Adhesions
What type of flexion is emphasized during the early active motion protocol for flexor tendon repairs?
A) Composite flexion
B) Hook fist
C) PIP/DIP blocking
D) Straight fist
A) Composite flexion
Which splinting method is commonly used for closed mallet finger injuries?
A) Dorsal block splint
B) Finger gutter splint
C) Stack splint
D) Volar splint
C) Stack splint
For Zone I extensor tendon injuries, what is the primary management strategy?
A) Dynamic splinting
B) Immobilization
C) Early active motion
D) Early passive motion
B) Immobilization
Which nerve injury management technique aims to prevent neuroma formation?
A) Sensory re-education
B) Nerve grafting
C) Tendon transfer
D) Contracture prevention
B) Nerve grafting
What is the hallmark diagnostic test for neurogenic thoracic outlet syndrome?
A) EAST (Elevated Arm Stress Test)
B) Spurling’s Test
C) Tinel’s Sign
D) Phalen’s Test
A) EAST (Elevated Arm Stress Test)
What is the first step in managing peripheral nerve injuries in occupational therapy?
A) Strengthening exercises
B) Sensory re-education
C) Contracture prevention
D) Scar mobilization
C) Contracture prevention
Which tendon transfer is commonly used to address radial nerve injuries?
A) FCR/U to EDC
B) PT to ECRB
C) PL to EPL
D) All of the above
D) All of the above
In tendon healing, what type of healing is primarily responsible for adhesion formation?
A) Extrinsic healing
B) Intrinsic healing
C) Primary healing
D) Secondary healing
A) Extrinsic healing
Which type of nerve injury involves complete nerve division and disruption of all connective tissues?
A) Neuropraxia
B) Axonotmesis
C) Neurotmesis
D) None of the above
C) Neurotmesis
What is the primary goal during the early phase of OT management for nerve repair/graft?
A) Full range of motion exercises
B) Aggressive strengthening
C) Contracture prevention and protected motion
D) Sensory re-education
C) Contracture prevention and protected motion
Which of the following is a common complication after nerve injury repair?
A) Tendon elongation
B) Adhesion formation
C) Scar tissue reduction
D) Increased sensation
B) Adhesion formation
What type of splinting is indicated for a patient with a flexor tendon injury in Zone I-II during the first 4 weeks?
A) Dynamic splinting
B) Dorsal block splint
C) Volar splint
D) Finger gutter splint
B) Dorsal block splint