COLORADO PROSTHETIC FABRICATION
TECHNICIAN CERTIFICATION EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026 |INSTANT DOWNLOAD PDF
1. Which material is most commonly used for initial prosthetic
socket fabrication?
A. Stainless steel
B. Thermoplastic polypropylene
C. Copper alloy
D. Titanium rod
Rationale: Prosthetic sockets are typically formed using heat-
moldable lightweight thermoplastics for patient comfort and
adjustability.
Correct Answer: B. Thermoplastic polypropylene
2. The primary purpose of a prosthetic socket is to:
A. Increase limb length
B. Connect the residual limb to the prosthesis
C. Replace bone tissue
D. Improve blood circulation
,Rationale: The socket serves as the interface between the
residual limb and prosthetic components.
Correct Answer: B. Connect the residual limb to the prosthesis
3. What is the main function of a prosthetic liner?
A. Increase weight of prosthesis
B. Protect skin and reduce friction
C. Replace muscle tissue
D. Strengthen bone structure
Rationale: Liners cushion the residual limb and reduce shear
forces.
Correct Answer: B. Protect skin and reduce friction
4. Which device is used to align prosthetic components during
fabrication?
A. Lathe machine
B. Alignment jig
C. Oscilloscope
D. Torque wrench
Rationale: Alignment jigs ensure proper orientation of
prosthetic components.
Correct Answer: B. Alignment jig
,5. What is the most important factor when taking a prosthetic
cast?
A. Color of plaster
B. Speed of drying
C. Accuracy of limb anatomy
D. Room temperature
Rationale: Accurate limb shape capture ensures proper
prosthetic fit.
Correct Answer: C. Accuracy of limb anatomy
6. Plaster of Paris is primarily used in prosthetics for:
A. Electrical insulation
B. Casting and molding residual limbs
C. Lubrication
D. Metal strengthening
Rationale: Plaster is used to create positive models of limbs.
Correct Answer: B. Casting and molding residual limbs
7. A check socket is used to:
A. Replace final prosthesis
B. Test fit before final fabrication
C. Increase limb strength
D. Measure blood flow
, Rationale: Check sockets allow adjustments before final
production.
Correct Answer: B. Test fit before final fabrication
8. Which component connects the socket to the prosthetic
foot?
A. Knee joint
B. Pylon
C. Liner
D. Harness
Rationale: The pylon is the structural connector between
components.
Correct Answer: B. Pylon
9. A transtibial prosthesis is used for amputations below the:
A. Shoulder
B. Knee
C. Elbow
D. Hip
Rationale: Transtibial means below-knee amputation.
Correct Answer: B. Knee
10. What is the function of a prosthetic foot?
TECHNICIAN CERTIFICATION EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026 |INSTANT DOWNLOAD PDF
1. Which material is most commonly used for initial prosthetic
socket fabrication?
A. Stainless steel
B. Thermoplastic polypropylene
C. Copper alloy
D. Titanium rod
Rationale: Prosthetic sockets are typically formed using heat-
moldable lightweight thermoplastics for patient comfort and
adjustability.
Correct Answer: B. Thermoplastic polypropylene
2. The primary purpose of a prosthetic socket is to:
A. Increase limb length
B. Connect the residual limb to the prosthesis
C. Replace bone tissue
D. Improve blood circulation
,Rationale: The socket serves as the interface between the
residual limb and prosthetic components.
Correct Answer: B. Connect the residual limb to the prosthesis
3. What is the main function of a prosthetic liner?
A. Increase weight of prosthesis
B. Protect skin and reduce friction
C. Replace muscle tissue
D. Strengthen bone structure
Rationale: Liners cushion the residual limb and reduce shear
forces.
Correct Answer: B. Protect skin and reduce friction
4. Which device is used to align prosthetic components during
fabrication?
A. Lathe machine
B. Alignment jig
C. Oscilloscope
D. Torque wrench
Rationale: Alignment jigs ensure proper orientation of
prosthetic components.
Correct Answer: B. Alignment jig
,5. What is the most important factor when taking a prosthetic
cast?
A. Color of plaster
B. Speed of drying
C. Accuracy of limb anatomy
D. Room temperature
Rationale: Accurate limb shape capture ensures proper
prosthetic fit.
Correct Answer: C. Accuracy of limb anatomy
6. Plaster of Paris is primarily used in prosthetics for:
A. Electrical insulation
B. Casting and molding residual limbs
C. Lubrication
D. Metal strengthening
Rationale: Plaster is used to create positive models of limbs.
Correct Answer: B. Casting and molding residual limbs
7. A check socket is used to:
A. Replace final prosthesis
B. Test fit before final fabrication
C. Increase limb strength
D. Measure blood flow
, Rationale: Check sockets allow adjustments before final
production.
Correct Answer: B. Test fit before final fabrication
8. Which component connects the socket to the prosthetic
foot?
A. Knee joint
B. Pylon
C. Liner
D. Harness
Rationale: The pylon is the structural connector between
components.
Correct Answer: B. Pylon
9. A transtibial prosthesis is used for amputations below the:
A. Shoulder
B. Knee
C. Elbow
D. Hip
Rationale: Transtibial means below-knee amputation.
Correct Answer: B. Knee
10. What is the function of a prosthetic foot?
