ORTHOTICS/ PROSTHETICS EXAM 2025
QUESTIONS AND ANSWERS
What is an orthosis? - ANS Used to describe a custom molded/fitted & prefabricated
orthoses fabricated and/or dispensed by therapists
- providing skilled tx & get reimbursed appropriately
What is a level I HCPCS code? - ANS - includes codes such as therex (97110) or OT eval
(97003)
What is a level II HCPCS code? - ANS - represent supplies or equipment
What are L-codes? - ANS - used to describe orthotics/prothetics
- ex: 3905 WHO, C/F (wrist hand orthosis, custom fit)
Hand splinting dates back to what country? - ANS Egypt
Hand splinting was an important part of rehab in what event? - ANS WWII
Who guided design and organization of splinting within army hospitals? - ANS Dr. Sterling
Bunnell
Approach that promotes ability of individual with hand dysfunction to engage in desired life
tasks - ANS Occupation-based splinting
1 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
, Includes methods of applying empathy, reflection, interview, and observation -
ANS Occupation-based practice
What are important questions to ask before making orthosis? - ANS - dx, problems, can
orthosis help with issues, best orthotic for pt, body part, design, material, wearing schedule,
adjustments
What is three point pressure? - ANS 3 individual linear forces are directed in opposite
directions from the other 2 forces
Relationship between length of effort arm (EA) and length of resistance arm (RA) -
ANS mechanical advantage
Shoulder complex: What type of joints are these?
- sternoclavicular
- acromioclavicular
- scapulothoracic
- GH joint - ANS - sternoclavicular: saddle
- acromioclavicular: plane
- scapulothoracic: pseudo
- GH joint: ball and socket
Elbow: What are the joints and what type of joints are these? - ANS - humeroulnar and
humeroradial (hinge)
Average carrying angle? - ANS Valgus 11-16 degrees
What type of joint is proximal radioulnar and distal radioulnar (DRUJ) joint? - ANS - pivot
What happens to ulna during pronation? - ANS more distal/prominent
2 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
QUESTIONS AND ANSWERS
What is an orthosis? - ANS Used to describe a custom molded/fitted & prefabricated
orthoses fabricated and/or dispensed by therapists
- providing skilled tx & get reimbursed appropriately
What is a level I HCPCS code? - ANS - includes codes such as therex (97110) or OT eval
(97003)
What is a level II HCPCS code? - ANS - represent supplies or equipment
What are L-codes? - ANS - used to describe orthotics/prothetics
- ex: 3905 WHO, C/F (wrist hand orthosis, custom fit)
Hand splinting dates back to what country? - ANS Egypt
Hand splinting was an important part of rehab in what event? - ANS WWII
Who guided design and organization of splinting within army hospitals? - ANS Dr. Sterling
Bunnell
Approach that promotes ability of individual with hand dysfunction to engage in desired life
tasks - ANS Occupation-based splinting
1 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
, Includes methods of applying empathy, reflection, interview, and observation -
ANS Occupation-based practice
What are important questions to ask before making orthosis? - ANS - dx, problems, can
orthosis help with issues, best orthotic for pt, body part, design, material, wearing schedule,
adjustments
What is three point pressure? - ANS 3 individual linear forces are directed in opposite
directions from the other 2 forces
Relationship between length of effort arm (EA) and length of resistance arm (RA) -
ANS mechanical advantage
Shoulder complex: What type of joints are these?
- sternoclavicular
- acromioclavicular
- scapulothoracic
- GH joint - ANS - sternoclavicular: saddle
- acromioclavicular: plane
- scapulothoracic: pseudo
- GH joint: ball and socket
Elbow: What are the joints and what type of joints are these? - ANS - humeroulnar and
humeroradial (hinge)
Average carrying angle? - ANS Valgus 11-16 degrees
What type of joint is proximal radioulnar and distal radioulnar (DRUJ) joint? - ANS - pivot
What happens to ulna during pronation? - ANS more distal/prominent
2 Copyright ©BRIGHSTARS ALL RIGHTS RESERVED 2025
