Test Bank 4 Orthotics and Prosthetics Boards Written
Exam with Latest 400 Correctly Answered Questions
Review 2026-2027/ Orthotics and Prosthetics Boards
Written Latest Questions and Answers Review
Which prosthetic elbow requires the split hosing control cable?
a) Outside Locking Hinge
b) Geared Step-Up Hinge
c) Stump Activated Locking Hinge
d) All of the Above - ANSWER-d) All of the Above
How high is the grip force of sensor hand speed?
a) 15 lbs
b) 22 lbs
c) 26 lbs
d) Bone crushing strength - ANSWER-b) 22 lbs
The use of step-up hinges:
a) Increases the patients functional force
b) Increases patients functional range of motion
c) Prevents cubital fold bunching
1
,d) Requires split-housing, fair-lead cable system - ANSWER-a) Increases the
patients functional force
Polycentric Hinges:
a) Are used with all short trans-radial amputations
b) Help lessen cubital fold bunching
c) Are very durable
d) Increase power with gearing - ANSWER-b) Help lessen cubital fold bunching
The following are elbow flexors EXCEPT:
a) Brachialis
b) Coracobrachialis
c) Biceps Brachii
d) Anconeous - ANSWER-b) Coracobrachialis
Which statement about the APRL Hook is not true?
a) Voluntary Opening
b) Lyre shaped fingers
c) Self locking feature
d) Two finger opening sizes - ANSWER-a) Voluntary Opening
All of the following are features of the ulna EXCEPT the:
2
,a) Trochlear notch
b) Coronoid process
c) Ulnar notch
d) Olecranon - ANSWER-c) Ulnar notch
Which work together in scapular abduction:
a) Serratus Anterior
b) Pectoralis Minor
c) Latissimus Dorsi
d) All of the above
e) Both a & b - ANSWER-e) Both a & b
Which muscle is both a primary elbow flexor and supinator?
a) Biceps
b) Brachialis
c) Supinator
d) Pronator Teres - ANSWER-a) Biceps
Which muscle pairs should be used for myoelectric control for shoulder
disarticulation?
a) Upper Pectoralis & Infraspinatus
b) Trapezius & Upper Pectoralis
c) Posterior Deltoid & Anterior Deltoid
3
, d) Latissimus Dorsi & Coracobrachialis - ANSWER-a) Upper Pectoralis &
Infraspinatus
The main innervation for the elbow flexors is the:
a) Ulnar Nerve
b) Median Nerve
c) Radial Nerve
d) Musculocutaneous Nerve - ANSWER-d) Musculocutaneous Nerve
An injury to the radial nerve would effect which muscle group?
a) Elbow Extensors & Wrist Extensors
b) Elbow Extensors only
c) Elbow Flexors
d) Forearm Supination - ANSWER-a) Elbow Extensors & Wrist Extensors
Which muscle does NOT help abduct the scapula?
a) Middle Deltoid
b) Upper Trapezius
c) Lower Trapezius
d) Serratus Anterior - ANSWER-a) Middle Deltoid
What control movements are used to operate a trans-radial prosthesis?
4
Exam with Latest 400 Correctly Answered Questions
Review 2026-2027/ Orthotics and Prosthetics Boards
Written Latest Questions and Answers Review
Which prosthetic elbow requires the split hosing control cable?
a) Outside Locking Hinge
b) Geared Step-Up Hinge
c) Stump Activated Locking Hinge
d) All of the Above - ANSWER-d) All of the Above
How high is the grip force of sensor hand speed?
a) 15 lbs
b) 22 lbs
c) 26 lbs
d) Bone crushing strength - ANSWER-b) 22 lbs
The use of step-up hinges:
a) Increases the patients functional force
b) Increases patients functional range of motion
c) Prevents cubital fold bunching
1
,d) Requires split-housing, fair-lead cable system - ANSWER-a) Increases the
patients functional force
Polycentric Hinges:
a) Are used with all short trans-radial amputations
b) Help lessen cubital fold bunching
c) Are very durable
d) Increase power with gearing - ANSWER-b) Help lessen cubital fold bunching
The following are elbow flexors EXCEPT:
a) Brachialis
b) Coracobrachialis
c) Biceps Brachii
d) Anconeous - ANSWER-b) Coracobrachialis
Which statement about the APRL Hook is not true?
a) Voluntary Opening
b) Lyre shaped fingers
c) Self locking feature
d) Two finger opening sizes - ANSWER-a) Voluntary Opening
All of the following are features of the ulna EXCEPT the:
2
,a) Trochlear notch
b) Coronoid process
c) Ulnar notch
d) Olecranon - ANSWER-c) Ulnar notch
Which work together in scapular abduction:
a) Serratus Anterior
b) Pectoralis Minor
c) Latissimus Dorsi
d) All of the above
e) Both a & b - ANSWER-e) Both a & b
Which muscle is both a primary elbow flexor and supinator?
a) Biceps
b) Brachialis
c) Supinator
d) Pronator Teres - ANSWER-a) Biceps
Which muscle pairs should be used for myoelectric control for shoulder
disarticulation?
a) Upper Pectoralis & Infraspinatus
b) Trapezius & Upper Pectoralis
c) Posterior Deltoid & Anterior Deltoid
3
, d) Latissimus Dorsi & Coracobrachialis - ANSWER-a) Upper Pectoralis &
Infraspinatus
The main innervation for the elbow flexors is the:
a) Ulnar Nerve
b) Median Nerve
c) Radial Nerve
d) Musculocutaneous Nerve - ANSWER-d) Musculocutaneous Nerve
An injury to the radial nerve would effect which muscle group?
a) Elbow Extensors & Wrist Extensors
b) Elbow Extensors only
c) Elbow Flexors
d) Forearm Supination - ANSWER-a) Elbow Extensors & Wrist Extensors
Which muscle does NOT help abduct the scapula?
a) Middle Deltoid
b) Upper Trapezius
c) Lower Trapezius
d) Serratus Anterior - ANSWER-a) Middle Deltoid
What control movements are used to operate a trans-radial prosthesis?
4
