Prosthetic Written Exam Part 1 UPDATED Exam Questions and CORRECT Answers
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Course
Prosthetic
Institution
Prosthetic
Prosthetic Written Exam Part 1 UPDATED
Exam Questions and CORRECT Answers
To check prosthesis height the amputee should:
a. support his weight on his sound leg
b. support his weight on his prosthetic leg
c. support his weight equally on both legs
d. not be wearing his prosthesis - CORRECT AN...
Prosthetic Written Exam Part 1 UPDATED
Exam Questions and CORRECT Answers
To check prosthesis height the amputee should:
a. support his weight on his sound leg
b. support his weight on his prosthetic leg
c. support his weight equally on both legs
d. not be wearing his prosthesis - CORRECT ANSWER- c. support his weight equally on
both legs
when walking, the normal foot should pass close to the AK prosthetic foot:
a. to facilitate shift of body weight
b. to prevent hip flexion contractures
c. to strengthen the gluteus medius muscle
d. to decrease pressure on the lateral socket wall - CORRECT ANSWER- a. to facilitate shift
of body weight
Rotation of the foot at heel strike may be caused by:
a. a stiff dorsiflexion bumper
b. a stiff plantarflexion bumper
c. external rotation of ankle axis
d. internal rotation of knee axis - CORRECT ANSWER- b. a stiff plantarflexion bumper
If the ischial tuberosity is placed too far toward the medial side of the ischial seat, it results
in:
a. crowding of adductor muscles into small area, causing burning sensation
b. too musch weight being borne on the ramus of the ischium
c. wedging of stump in the gluteus channel
d. walking with leg internally rotated. - CORRECT ANSWER- a. crowding of adductor
muscles into small area, causing burning sensation
,the knee bolt of the prosthesis is usually found to be
a. perpendicular to the line of progression
b. in approximately 5 degrees of internal rotation
c. in approximately 5 degrees of external rotation
d. in approximately 8 degrees of external rotation - CORRECT ANSWER- c. in
approximately 5 degrees of external rotation
when adductor longus tightness is observed during initial fitting the AK socket you would
a. relieve the socket laterally
b. roll and relieve medial posterior wall
c. flare and contour anterior-medial corner
d. increase flare above ischial level - CORRECT ANSWER- c. flare and contour anterior-
medial corner
when the above knee amputee must arch his back to maintain the center of gravity of his
body in the proper position while pressing back with his stump, it is an indication that the:
a. amputee has a pronounced lumbar lordosis
b. foot on prosthesis is located too far laterally
c. stump was fitted into a socket without adequate initial flexion
d. stump was fitted into a socket with excessive abduction - CORRECT ANSWER- c. stump
was fitted into a socket without adequate initial flexion
As the AK amputee places his weight on the prosthesis the femur presses toward the lateral
wall. Because of this the lateral socket wall should be:
a. rounded to distribute pressure evenly
b. adducted to stabilize the femur during locomotion
c. padded to keep from injuring the stump
d. abducted to allow the end of the femur to move freely - CORRECT ANSWER- b. adducted
to stabilize the femur during locomotion
the suction socket prosthesis is aligned so that involuntary alignment stability is minimized
and voluntary knee control by stump action is emphasized:
,A. in order that a minimum amount of energy is consumed during walking.
b. to provide valuable exercise for stump muscles
c. to make it possible to use a simplified knee mechanism
d. in order that the cosmetic appearance of the limb is improved. - CORRECT ANSWER- A.
in order that a minimum amount of energy is consumed during walking.
If a force of 10 lbs exerted on the five foot arm of a lever, what force must be exerted on the
five foot arm to balance it?
a. 25 lbs
b. 50 lbs
c. 20 lbs
d. 30 lbs - CORRECT ANSWER- a. 25 lbs
medial whip is caused by:
a. improper placement of the toe break
b. external rotation of ankle axis
c. medial rotation of knee bolt
d. excessive lateral rotation of knee bolt - CORRECT ANSWER- d. excessive lateral rotation
of knee bolt
In correcting an abducted socket on the adjustable leg, we should:
a. release the medial tilt screw and tighten the lateral
b. release the lateral tilt screw and tighten the medial
c. release the lateral locking adjustment and move the shank medially
d. give the amputee a wider walking base - CORRECT ANSWER- a. release the medial tilt
screw and tighten the lateral
when pulling the amputee into an ak socket the most important anatomical landmark is:
a. gluteus maximus muscle
b. hamstring muscle group
c. adductor longus tendon
d. rectus femoris tendon - CORRECT ANSWER- c. adductor longus tendon
, if the ischial seat of the ak socket is made too wide, it will cause:
a. painful spasm of the gluteus maximus
b. excessive pressure on the hamstring muscles, resulting in stump edema
c. burning sensation when the wearer is seated, because of excessive stretching of the skin
d. excessive adductor bulge because of insufficient room in the medial posterior area of
socket - CORRECT ANSWER- b. excessive pressure on the hamstring muscles, resulting in
stump edema
which one of the following gait faults is due to incorrect function of the prosthesis
a. circumduction
b. pelvic rise
c. unequal arm swing
d. unequal step length - CORRECT ANSWER- a. circumduction
how does an excessively stiff plantar flexion bumper in the prosthetic foot affect knee
stability?
a. increases knee stability excessively
b. has no affect on knee stability
c. decreases knee stability
d. makes it necessary to move the socket forward in relation to the knee bolt - CORRECT
ANSWER- c. decreases knee stability.
at push off it is common for an AK amputee with well developed hamstrings muscles to force
himself off the ischial seat as his stump extends. how can this trouble be avoided?
a. align the socket so the extensor muscles are elongated slightly
b. align the socket in a position of initial flexion
c. align the socket in a position of initial extension
d. align the socket so the abductor muscles are elongated slightly - CORRECT ANSWER- c.
align the socket in a position of initial extension
what is the effect of excessively shimming the dorsiflexion stop to place the shank in a
vertical position?
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