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ABC prosthetic written questions (cont.) Questions and Answers Rated A+
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ABC prosthetic written questions (cont.)
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ABC prosthetic written questions (cont.)Pressure is determined by - answerforce divided by area
If the sciatic nerve is severed at the level of the lesser trochanter muscle function will
not be impaired at the - answerhip joint
With a BK at mid-stance where are the pressures in the socket in the sagittal plane: -
answerproximal/anterior and distal/posterior
What are the main areas of weight bearing in a BK - answerpatella tendon and the
medial tibial flare
For a very short BK why is PTS advantageous - answerLess distal pressures
When static aligning a BK if the pylon leans laterally the cause may be - answertoo
much abduction in the socket
What is the effect of moving the socket more forward over the foot - answerreduces the
length of anterior lever arm of the foot
The elbow is flexed to 90 and a 40 lb weight is held in the hand. The distance from the
elbow axis to the weight is 15 inches. How much force must the elbow flexors exert if
their insertion is 2 inches from the elbow joint axis? - answer40 x 15=600
600=2x
x=300
Answer: 300 inch pounds
which of the following is not part of the AE figure of eight harness - answerinverted Y
strap
In the shoulder disarticulation amputee which of the following muscle sites would be
most suitable for control of a myoelectric elbow - answerpectoralis major and trapezius
Which of the following muscles does not rotate the humerus internally? -
answerinfraspinatus
Which of the following epiphyses contributes most to longitudinal growth of the upper
limb - answerdistal humerus
, What shoulder function will be lost if the middle section of the deltoid is impaired -
answerabduction
Complete absensce of the upper limb distal to the shoulded joint is termed -
answeramelia
Which muscle is most readily identified by palpation - answeriliopsoas
The muscles which pass posterior to the medial malleolus at the ankle act to -
answerinvert and plantar flex the foot
Which muscles flex the knee joint? - answerbiceps femoris
Which of the following is not a function of the conventional silesian bandage -
answeradds medio-lateral stability
In the short AE prosthesis, the trim lines are extended proximally in order to? -
answerincrease rotational stability
Which of the following modificaitons would not increase function for the bilateral short
AE amputee - answeruse a wrist flexion unit on the dominant side.
In the Muenster socket, the principal function of the posterior proximal brim is to limit
elbow extension and - answerprovide suspension in axial loading
In the total contact suction socket, edema is prevented by: - answeralternating negative
and positive distal pressures
The normal hip reaches its maximum extension during - answerheel-off
Knee flexion built into a PTB socket increases the weight bearing capacity of the -
answerpatellar tendon
Which one of the following muscles is not a plantar flexor of the foot - answerextensor
hallucis longus
Correct:
Tibialis posterior
plantaris
peroneus longus
gastrocnemius
Which of the following muscles undergoes a lengthening contraction between heel
strike and foot flat - answertibialis anterior
Following a transmet amputation, the patient loses - answertoe off
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