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Prosthetics ABC Exam Review Update
- Questions and
2 main functions of a harness system - CORRECT ANSWER: suspension and function
3 Essential components of vacuum set up - CORRECT ANSWER: 1-Vacuum pump, 2-
Surge tank, 3-Evacuation hoses
Above elbow amputation/ Transhumeral - CORRECT ANSWER: Between shoulder and
elbow
Above knee amputation/ transfemoral - CORRECT ANSWER: Between hip joint and
knee joint
Below elbow amputation/ Transradial - CORRECT ANSWER: Between wrist and elbow
Below knee amputation/ transitibial - CORRECT ANSWER: between knee joint and the ankle
Carbon Tensile Strength - CORRECT ANSWER: 800ksi
Co-poly oven temp & uses - CORRECT ANSWER: 325F, used for upper extremity
orthotics and lower extremity prosthetics
Endoskeletal - CORRECT ANSWER: Structural strength from the inside
EX. Humans are endoskeletal because of bone structure inside EX 2. In prosthetics the pylon and adapters
Exoskeletal - CORRECT ANSWER: Strength from outside
Ex. In prosthetics, a leg with hard laminated outer shell and hollow inside
Fiberglass Density - CORRECT ANSWER: 2.56g
Fiberglass Tensile Strength - CORRECT ANSWER: 620ksi
Hip disarticulation - CORRECT ANSWER: amputation through hip joint; pelvis intact, no bone cut
In this type of aignment, adjustments are based on observation of the amputee's gait
and communication with the amputee - CORRECT ANSWER: Dynamic alignment
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