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ABC Prosthetics Written Exam Practice Questions and Answers What movements are required to operate a standard trans-radial prosthesis? - ANSWER-Biscapular abduction and Gleno-humeral flexion What is the prehension pattern most frequently used by prosthetic hands? - ANSWER-Palmar What is the pr...

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  • November 10, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • abc prosthetics written exam practice questions an

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ABC Prosthetics Written Exam Practice

Questions and Answers



What movements are required to operate a standard trans-radial prosthesis? - ANSWER✔✔-Biscapular

abduction and Gleno-humeral flexion


What is the prehension pattern most frequently used by prosthetic hands? - ANSWER✔✔-Palmar


What is the proper orientation when taking an impression for all levels of trans-radial amputation? -

ANSWER✔✔-Neutral Pro-Supination, 90 degrees


Determine efficiency if a force of 6 lbs is necessary to open the TD fully and 9 lbs are needed at the

hanger - ANSWER✔✔-67% (terminal device force divided by hanger force)


Which muscle acts in the same way a control cable pulls on the thumb of the terminal device? -

ANSWER✔✔-Extensor Pollicis Brevis


Polycentric Hinges are used to - ANSWER✔✔-Relieve cubital bunching


Which is not a forearm flexor?


- Biceps


- Brachialis


-Supinator


-Pronator Teres - ANSWER✔✔-Supinator


Copyright ©Stuvia International BV 2010-2024 Page 1/8

, Copyright © OLIVIAWEST2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED


The muscles that comprise the rotator cuff are - ANSWER✔✔-Teres minor, supraspinatus, infraspinatus,

subscapularis


What is the main cause of upper extremity amputation? - ANSWER✔✔-Trauma


How much can the single axis hinge restrict pronation-supination and still be acceptable for patient use?

- ANSWER✔✔-Trick question


Single axis hinge negates pronation-supination


The main advantage of the Wrist Flexion Unit over the Flexion Wrist is - ANSWER✔✔-Wrist flexion unit

can rotate in all planes


How many positions does a positive locking hinge have? - ANSWER✔✔-11


The correct location of the cross point on a standard trans-radial figure of eight prosthetic harness is: -

ANSWER✔✔-Inferior to C7 toward the sound side


What age is best to fit a child with an upper limb deficiency at birth? - ANSWER✔✔-As early as three

months


Which muscle is primarily responsible for scapular abduction? - ANSWER✔✔-Serratus Anterior


When would a Krukenberg amputation be recommended? - ANSWER✔✔-Blind bilateral trans-radial

patient


Upper Limb Supracondylar Suspension - ANSWER✔✔-- Is frequently used with external power

prostheses


- May restrict elbow flexion


- Frequently uses figure of 9 harnessing with body powered prostheses

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