Quiz Questions Flashcards
Prescriptions for initial prosthetic components should be based on all of the following EXCEPT
a. Predicted amputee activity demands
b. Reimbursement requirements
c. Profit margin on individual components
d. Bony contours of residual limbs
c. Profit margin on individual components
Which TT socket is more likely to be used in new amputee (the current standard)?
a. Total surface bearing
b. Patellar tendon bearing
c. NA - they are equally current and useful
d. NA - there is another socket that is the current standard
a. Total surface bearing
Which of the following is true? The weight of the components is
a. Directly to both financial and energy cost
b. Directly related to financial cost but inversely related to energy cost
c. Inversely related to financial cost but directly related to energy cost
d. Inversely to both financial and energy cost
c. Inversely related to financial cost but directly related to energy cost
The most preferred skin-socket interface is
a. Socks
b. Soft insert
c. Sleeve
d. Gel
d. Gel
Which of the following is the most important goal of prosthetic suspension?
a. Max comfort
b. Min pistoning
c. Min cost
d. Max cosmesis
b. Min pistoning
Which of the following types of suspension is located inside the socket?
a. Joint and corset
b. Sleeve
c. Supracondylar cuff
d. Locking liner
d. Locking liner
Which of the following is NOT an advantage of an endoskeletal prosthesis over an exoskeletal?
a. Very adjustable
b. More durable
c. Lighter
d. More cosmetic
b. More durable
Bench alignment in slight flexion is done mainly in order to
a. Minimize pressure and increase comfort
b. Widen base of support and facilitate balance
c. Increase the mechanical advantage of the quad
d. Accommodate to a knee flexion contracture
c. Increase the mechanical advantage of the quad
Prosthetic socks are used for all of the following EXCEPT
a. Minimize moisture loss
b. Optimize fit
c. Increase comfort
d. Minimize shear
a. Minimize moisture loss
Which of the following suspension types provide medial-lateral knee stability?
a. Sleeve
b. Locking liner
c. Cuff strap
d. None of the above
d. None of the above
Traumatic amputation following motorcycle accident. RL is short, extensive knee ligament damage also sustained in accident
a. Corset and joint
b. Supracondylar
c. Sleeve
d. Suction
a. Corset and joint
Amputee with rheumatoid arthritis and moderately impaired dexterity
a. Vacuum assisted
b. Locking liner
c. Supracondylar strap
d. Corset and joint
b. Locking liner
Amputee receiving chemotherapy and with volume that fluctuates significantly
a. Supracondylar/suprapatellar
b. Supracondylar
c. Waist belt
d. Suction
c. Waist belt
Amputee with very sensitive skin, abrades easily
a. Supracondylar
b. Pin and shuttle
c. Corset and joint
d. Waist belt
b. Pin and shuttle
An outset foot in the transtibial amputee causes excess pressure in the proximal ___ and distal ___ limb
a. Lateral, medial
b. Medial, lateral
a. Lateral, medial
A transtibial prosthesis that is too long is most likely to cause
a. Trunk lean during stance
b. Extension moment at the knee
c. Antalgic gait
d. Trendelenburg gait
a. Trunk lean during stance
The PT just removed a PTB prosthesis, and sees redness over the patellar tendon. What is the best assessment of this?
a. Appropriate fit
b. Inadequate suspension
c. Caused by pistoning
d. Too tight
a. appropriate fit
When would you need to assess fit if there is redness?
If redness lasts longer than 10 mins
Pistoning due to inadequate suspension is a problem for an amputee because it creates all of the following EXCEPT
a. a functionally longer limb during swing
b. excessive pressure within the socket during stance
c. possible blistering or abrasion on the RL
b. excessive pressure within the socket during stance
Suspension is affected during this phase of gait
swing
What is another term for toe-lever?
keel
A toe lever (keel) that is too short creates a (n)
a. extension moment during IC
b. extension moment during mid-late stance
c. flexion moment during IC
d. flexion moment during mid-late stance
d. flexion moment during mid-late stance
A heel cushion that is too hard creates potential for excessive pressure at the ____ residual limb in the transtibial amputee
a. distal anterior
b. distal posterior
c. proximal anterior
d. proximal posterior
a. distal anterior
Where is excessive redness likely after doffing a PTB socket that is too tight?
a. distal patella
b. tibial tubercle
c. patellar tendon
d. pressure won’t be evident
b. tibial tubercle
An inset foot is most likely the create excessive pressure at what two points on the residual limb
a. distal lateral, proximal medial
b. distal medial, proximal lateral
a. distal lateral, proximal medial
What is the advantage of a split keel foot over a solid keel foot?
a. stability on level surfaces
b. stability on uneven terrain
c. better energy return
d. adaptable to more types of shoes
b. stability on uneven terrain
An amputee that puts on flat shoes instead of their usual shoe with a ¾ heel is ____likely to fall
a. less
b. more
c. equally
a. less
What is the main advantage of a dynamic response foot?
a. More natural initial contact
b. More natural swing phase
c. More natural terminal stance
c. More natural terminal stance
An amputee with pin and shuttle suspension slips easily into their socket and gets more than the usual number of clicks in quick succession. What is the best assessment of their fit?
a. correct
b. too loose
c. too tight
b. too loose
should require some effort to don so it is snug
The amputee should always pull the silicone liner onto their residual limb using two hands.
a. true
b. false
b. false
should be rolled on
The pin and shuttle suspension is a good choice for the amputee with knee ligament damage
a. true
b. false
b. false
What amputee is likely to use auxiliary suspension
a. Fluctuating volume
b. Poor dexterity
c. Poor endurance
a. Fluctuating volume
The amputee with an IPOP should start full WB immediately after surgery to achieve the maximum benefit from this type of prosthesis
a. True
b. False
b. False
should only allow toe-touch WB, not FWB immediately after surgery
Socks are used chiefly for
a. Absorbing perspiration
b. Adjusting fit
c. Providing padding
b. Adjusting fit
Which suspension would be most appropriate for the amputee with chronic, significant adductor weakness?
A. Traditional pull-on suction
B. Pelvic band and joint
C. TES belt
D. Pin and shuttle
B. Pelvic band and joint
An amputee with poor standing balance is MOST likely to have difficulty donning which of the following suspension types?
A. Traditional pull-on suction
B. Pelvic band and joint
C. Silesian belt
D. Active suction/Elevated vacuum
A. Traditional pull-on suction
An amputee with poorly controlled diabetes and volume fluctuations is most likely to benefit from which of the following suspension types?
A. Traditional pull-on suction
B. Pelvic band and joint
C. Silesian belt
D. Active suction
D. Active suction
The pneumatic knee’s main advantage is that it _____ than a hydraulic knee.
A. Weighs less than
B. Provides smoother gait
C. Is more stable than
D. N/A: they are equally applicable to most amputees
A. Weighs less than
An amputee with PVD has been wearing his prosthesis for 5-10 minutes during the first checkout/training session. Which of the following are NOT reliable indicators of whether or not the socket fit is appropriate?
A. Absence of pistoning
B. Height of trimlines
C. Their report of pain
D. Them saying it feels OK
D. Them saying it feels OK
The wearing time for a new prosthesis should be gradually increased because
A. The amputee’s skin needs time to accommodate to the new forces
B. The components must be gradually “broken in” in order to last
C. Patients can’t be trusted to pay attention to warning signs
D. The therapist need time to thoroughly evaluate gait
A. The amputee’s skin needs time to accommodate to the new forces