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Prosthetic Written Exam Part 2 Questions with Solved Answers
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Prosthetic Written Exam Part 2
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Prosthetic Written Exam Part 2All of the following factors contribute to vaulting with an AK prosthesis except...
a. prosthesis too long
b. excessive knee friction
c. inadequate suspension
d. weak hip extensors - answerd. weak hip extensors
All of the following factors contribute to vaulting with an AK prosthesis except...
a. prosthesis too long
b. excessive knee friction
c. inadequate suspension
d. weak hip extensors - answerb. excessive knee friction
Which of the following is a characteristic of the constant friction knee?
a. eliminates the need for alignment stability
b. aids in stabilization of the knee during stance phase
c. supports body weight when the knee is slightly flexed
d. reduces heel rise and terminal impact at normal cadence
e. permits the knee to swing at varying speeds depending on cadence - answere.
permits the knee to swing at varying speeds depending on cadence
The toe of an AK prosthesis rotates externally at heel strike. Which of the following is
the major cause of this problem?
a. knee bolt externally rotated
b. excessive toe out
c. keel too short
d. plantarflexion resistance too firm - answerd. plantarflexion resistance too firm
A gait cycle refers to all the activity that occurs between...
a. heel strike on one side and the following heel strike on the same side
b. double support on one side and the following double support on the opposite side.
c. heel-off to push-off on the same sided. heel strike on one side and the following heel
strike on the opposite side
e. heel contact and push-off - answera. heel strike on one side and the following heel
strike on the same side
Venous return of the blood to the heart is assisted by the...
a. action of the skeletal muscles
b. positive pressure in the heart
c. independent contraction of the arterial walls
,d. arterial blood pressure - answera. action of the skeletal muscles
During normal human locomotion, how many inches does the center of gravity shift from
side to side?
a. 1
b. 2
c. 3
d. 4 - answerb. 2
The center of gravity of the adult male is located on the midline of the body at
approximately the level of the...
a. acetabulum
b. coccyx
c. umbilicus
d. ischial tuberosity
e. second sacral vertebra - answere. second sacral vertebra
To minimize lateral bending of the trunkk susequent to unilateral hip abductor
weakness, it is best to use...
a. a cane on the involved side
b. a cane on the uninvolved side
c. a can on both sides - answerb. a cane on the uninvolved side
The surgical attachment of muscle to muscle is known as...
a. myoplasty
b. myodesis
c. arthroplasty
d. arthrodesis - answera. myoplasty
The body's center of gravity reaches its highest point at...
a. heel strike
b. foot flat
c. mid-stance
d. heel-off - answerc. mid-stance
Pressure is determined by...
a. force divided by torque
b. torque divided by force
c. force divided by area
d. area divided by force - answerc. force divided by area
During normal human locomotion, between heel contact and foot flat, the floor reaction
force tends to cause which moments at the hip and knee?
a. hip flexion, knee flexion
b. hip flexion knee extension
c. hip extension, knee flexion
, d. hip extension, knee extension - answera. hip flexion, knee flexion
If the sciatic nerve is severed at the level of the lesser trochanter, muscle function will
not be impaired at the..
a. hip joint
b. knee joint
c. ankle joint
d. subtalar joint - answera. hip joint
In the shoulder disarticulation amputee, which of the following muscle sites would be
most suitable for control of myoelectric elbow?
a. superior rhomboid and sternomastoid
b. superior rhomboid and subscapularis
c. pectoralis major and trapezius
d. pectoralis major and coracobrachialis - answerc. pectoralis major and trapezius
In the scapulothoracic amputee, which of the following motions can be used to operate
the prosthesis?
a. glenohumeral flexion
b. biscapular abduction
c. shoulder elevation
d. chest expansion - answerd. chest expansion
Which of the following muscles does not rotate the humerus internally?
a. subscapularis
b. pectoralis major
c. infraspinatus
d. latissimus dorsi - answerc. infraspinatus
The terminal device on the shoulder disarticulation prosthesis is operated primarily by
scapular...
a. abduction
b. adduction
c. elevation
d. depression - answera. abduction
A major limitation of the shoulder disarticulation prosthesis is...
a. difficulty in donning the prosthesis
b. excursion needed to operate the prosthesis
c. force needed to operate the prosthesis
d. weight of the prosthesis - answerb. excursion needed to operate the prosthesis
The most prominent and highest point on the shoulder girdle is the...
a. acromion
b. coracoid process
c. spine of the scapula
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