Prosthetics Mock CPM Exam Oral questions with answers

Prosthetics Mock CPM Exam Oral |\ |\ |\ |\ |\




questions with answers |\ |\




Describe standard Trans-Tibial prosthesis bench alignment
|\ |\ |\ |\ |\



- CORRECT ANSWERS ✔✔1) Socket Flexion 5 degrees - 7
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



degrees
2) Foot Inset 1/2" - 0"
|\ |\ |\ |\ |\




3) Socket Anterior Position to foot bolt
|\ |\ |\ |\ |\ |\




should be 1" - 1 1/2" |\ |\ |\ |\ |\




4) Medial border of foot on line of progression
|\ |\ |\ |\ |\ |\ |\ |\




A 23 year old male is presented at a clinic you attend. He
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



is wearing a PTB hard socket, with silicone distal end pad.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



He has an adherent scar that is causing socket problems.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



Starting with |\




the simplest and going to the most complicated, name all
|\ |\ |\ |\ |\ |\ |\ |\ |\



the solutions that you know. List as many insert materials
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



as possible. - CORRECT ANSWERS ✔✔1 - Use prosthetic
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



sheath
2 - Proper sock fit (ply)
|\ |\ |\ |\ |\




3 - Evaluate socket fit, clearance for anterior, distal tibia,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



clearance for scar, proper A/P, |\ |\ |\ |\




proper weight bearing areas, use pull sock to don
|\ |\ |\ |\ |\ |\ |\ |\ |\



prosthesis

,4 - Side joints and lacer
|\ |\ |\ |\ |\




5 - Quad brim, ischial weight bearing design
|\ |\ |\ |\ |\ |\ |\




6 - Design of soft insert socket Materials: Kemblo, pelite,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



spenco, silicone, urethane elastomer |\ |\ |\




7 - Silipos Sheath
|\ |\ |\




List 4 prosthetic causes for rapid knee flexion? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔1. Socket too far anterior
|\ |\ |\ |\ |\ |\




2. Heel/lever too long
|\ |\ |\




3. Patient wearing shoe with different heel height.
|\ |\ |\ |\ |\ |\ |\




4. Stiff heel action
|\ |\ |\




A 7 year old male with a Symes amputation is in need of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



a new prosthesis. What would you recommend? List as
|\ |\ |\ |\ |\ |\ |\ |\ |\



many considerations as possible. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\



✔✔RX: PTB with distal end pad (for growth and weight
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



bearing), hard socket, SACH foot |\ |\ |\ |\




1. If patient kicks prosthesis off, use waist belt with
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



inverted "Y" strap |\ |\




2. Insert is non-hygienic
|\ |\ |\

, Name all of the Symes prosthesis you know about. Where
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



are the advantages and disadvantages of each? -
|\ |\ |\ |\ |\ |\ |\ |\



CORRECT ANSWERS ✔✔1. Canadian and VAPC types
|\ |\ |\ |\ |\ |\




Advantages: Don prosthesis easily |\ |\ |\




Medial door stronger than posterior
|\ |\ |\ |\




2. Expandable Wall
|\ |\




Advantages: Easy to don, no closures, good for the blind |\ |\ |\ |\ |\ |\ |\ |\ |\




Disadvantages: Limited stretch |\ |\




What causes a Trans Tibial prosthesis to appear to be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



higher than sound leg when sitting? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\



✔✔1. Posterior brim too high
|\ |\ |\ |\ |\




2. Not enough hamstring relief
|\ |\ |\ |\




3. Incorrect length
|\ |\




What causes anterior distal tibia pressure? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔1. AP to big |\ |\ |\ |\




2. Post-brim too low
|\ |\ |\




3. Not enough relief
|\ |\ |\




4. Excessive use of knee extension
|\ |\ |\ |\ |\




5. Heel lever to long
|\ |\ |\ |\




6. Excessive initial socket flexion
|\ |\ |\ |\