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Prosthetic written Questions with Solutions
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Exam of 13 pages for the course Prosthetic written at Prosthetic written (Prosthetic written)
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Prosthetic writtenThe Ertl Procedure is known as an osteomyelitis amputation reconstruction that
performs a bridge between what: - answer tibia and fibula
A below knee amputee is seen in your clinic and states he feels anterior/distal
discomfort in his prosthetic socket. Choose all correct answer(s) to address this
problem:
A-extend the socket
B-flex the socket
C-add pretibial pads to the socket
D-lower the posterior socket brim - answerA-extend the socket
C-Add pretibial pads to the socket
A below knee amputee is seen in your clinic and states he has posterior knee or
hamstring discomfort. Choose all correct answer(s) to address this problem:
A-lower the posterior medial brim on the prosthetic socket
B-extend the socket
C-flex the socket
D-align the foot more posterior in relation to the socket - answerA-lower the posterior
medial brim on socket
C-flex the socket
D-Align foot more posterior in relation to the socket
Which level(s) of amputation may lead to an equinus gait deformity?
A-lisfranc
B-Chopart
C-Symes
D-Transmetatarsal - answerA-lisfranc
B-Chopart
D-Transmetatarsal
A below knee amputee presents wearing a PTB prosthesis with general knee pain and
distal end pressure. The patient has redness on the distal tibia and inferior aspect of the
patella bone. What would be the most logical clinical actions you could take at this point
in addressing this problem:
A-Recommend the patient be evaluated for a new liner that will provide better
cushioning to her residual limb
B-Flex the prosthetic socket while concurrently plantar flexing the prosthetic foot
, C-Add a gastroc pad to the socket
D-Add a 1ply prosthetic sock over liner - answer
Myodesis can be described as: - answerThe suturing and permanent attachment of a
muscle to a bone.
Which of the following is not part of a symes amputation procedure:
A-Removal of the malleoli distal aspect
B-Placement of thick heel pad
C-Amputation through the articulation of the ankle
D-Transmetatarsal amputation - answerD-Transmetatarsal amputation
Myoplasty can be described as: - answerThe suturing or permanent attachment of a
muscle to another muscle.
What are two advantages in the list below of myodesis over myoplasty with regards to
amputations:
A-Decreased rate of infection related revisions
B-Decreased rate of muscular atrophy
C-Decreased rate of antagonistic muscular imbalances
D-Provides a bulbous distal residual limb for self suspending applications in TT and TF
cases - answerB-Decreased rate of muscular atrophy
C-Decreased rate of antagonistic muscular imbalances
During normal heel strike, the forward hip is how flexed: - answer25 degrees flexed
Which style of muscular tissue management in a transhumeral amputation would be of
greatest advantage to a myoelectric prosthesis candidate:
Myodesis or myoplasty? - answerMyodesis- Provides anchors for the muscles which
provides palpable, separable, antagonistic muscular contractions which are more likely
to exhibit a strong myo-signal
A TF patient exhibits lateral/proximal loss of contact in stance. Upon examination the
lateral wall is superior to the greater trochanter, the anterior wall contours to the
adductor longus tendon, the posterior socket does not encompass the ischial tuberosity,
the medial wall is located 65mm inferior to the perineum. What do you attribute to the
cause of this deviation?
A-The posterior wall does not have ischial containment
B-The lateral wall is located too proximal for an ischial containment socket
C-The patient is causing the deviation from antalgic gait secondary to adductor longus
tendon socket pressure
D-The medial wall is located too far inferior to the perineum - answerD-When a medial
wall is too distal, the counter force with the lateral wall is lost causing the socket gap
laterally, impinging the adductors, and losing optimal grasp of the ischial tuberosity
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