Prosthetic CPM study guide Exam Questions
And Answers Latest Update 2025
What measurements for a TT Patient need to be collected for
casting? - - -
correct answer ✅AP(at PTB), M/L (at condyles), PML,
Residual Length
MTP- Floor
Foot Size
Circumferences every 2"
What questions should you ask at evaluation for a prosthetics - - -
correct answer ✅Cause and date of amputation
Comorbidities (DM, kidney, hypertension0
Contralateral Limb integrity
Skin Integrity
Hand Dexterity/strength
Vocational/Recreational Activities
Goals
Assistive Devices Used
MMT/ROM (Thomas test)
,Prosthetic CPM study guide Exam Questions
And Answers Latest Update 2025
What are the advantages to a PTB style socket? - - -
correct answer ✅Rotational Control, Relief over bony prominences
What are the advantages to a TSB style socket - - -
correct answer ✅Equal distribution of pressure over entire limb,
use of liner to reduce shear forces and skin irritation, decreased
pistoning
What are the disadvantages to a PTB style socket? - - -
correct answer ✅Concentrated pressures on select few areas, high
pressure on patellar tendon
What are the disadvantages to a TSB style socket - - -
correct answer ✅Requires the use of liners patient must be able to
don liner, lack of rotational control
What are the advantages to locking liner suspension - - -
correct answer ✅Auditory confirmation of lock increase
confidence, can have patient start to don and engage lock while
seated, easy to manage volume with socks
, Prosthetic CPM study guide Exam Questions
And Answers Latest Update 2025
What are the disadvantages to a locking liner suspension - - -
correct answer ✅Pistoning/milking of the limb, can be difficult for
patient to align pin and lock must be consistent, lack of a rotational
control
What are the advantages to a cushion liner/sleeve suspension - - -
correct answer ✅Reduced pistoning of prosthesis, easy volume
management, secure suspension, benefits of liner
What are the disadvantages to a cushion liner/sleeve susupension -
--
correct answer ✅Increased bulk around the knee that can reduce
knee flexion, can be hot (extra layer), requires dexterity to use liner
What are the advantages to a seal in system for suspension - - -
correct answer ✅Decreased pistoning, increased proprioception,
decreased apparent weight of prosthesis
What are the disadvantages to a a seal in system for suspension? - -
-
correct answer ✅More difficult to control volume with socks, must
have good balance to don prosthesis, requires exact fit
And Answers Latest Update 2025
What measurements for a TT Patient need to be collected for
casting? - - -
correct answer ✅AP(at PTB), M/L (at condyles), PML,
Residual Length
MTP- Floor
Foot Size
Circumferences every 2"
What questions should you ask at evaluation for a prosthetics - - -
correct answer ✅Cause and date of amputation
Comorbidities (DM, kidney, hypertension0
Contralateral Limb integrity
Skin Integrity
Hand Dexterity/strength
Vocational/Recreational Activities
Goals
Assistive Devices Used
MMT/ROM (Thomas test)
,Prosthetic CPM study guide Exam Questions
And Answers Latest Update 2025
What are the advantages to a PTB style socket? - - -
correct answer ✅Rotational Control, Relief over bony prominences
What are the advantages to a TSB style socket - - -
correct answer ✅Equal distribution of pressure over entire limb,
use of liner to reduce shear forces and skin irritation, decreased
pistoning
What are the disadvantages to a PTB style socket? - - -
correct answer ✅Concentrated pressures on select few areas, high
pressure on patellar tendon
What are the disadvantages to a TSB style socket - - -
correct answer ✅Requires the use of liners patient must be able to
don liner, lack of rotational control
What are the advantages to locking liner suspension - - -
correct answer ✅Auditory confirmation of lock increase
confidence, can have patient start to don and engage lock while
seated, easy to manage volume with socks
, Prosthetic CPM study guide Exam Questions
And Answers Latest Update 2025
What are the disadvantages to a locking liner suspension - - -
correct answer ✅Pistoning/milking of the limb, can be difficult for
patient to align pin and lock must be consistent, lack of a rotational
control
What are the advantages to a cushion liner/sleeve suspension - - -
correct answer ✅Reduced pistoning of prosthesis, easy volume
management, secure suspension, benefits of liner
What are the disadvantages to a cushion liner/sleeve susupension -
--
correct answer ✅Increased bulk around the knee that can reduce
knee flexion, can be hot (extra layer), requires dexterity to use liner
What are the advantages to a seal in system for suspension - - -
correct answer ✅Decreased pistoning, increased proprioception,
decreased apparent weight of prosthesis
What are the disadvantages to a a seal in system for suspension? - -
-
correct answer ✅More difficult to control volume with socks, must
have good balance to don prosthesis, requires exact fit
