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Post Lec Exam > Prosthesis > Flashcards

Prosthesis Flashcards

1
Q 
Are considered energy-storing feet for a belowknee prosthesis during ambulation:
I. Springlite
II. Flex-foot
III. Carbon copy II
IV. Seattle foot

a. I and III
b. II and IV
c. I, II and III
d. All are correct

A

All are correct

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2
Q
  1. Causes of ‘drop-off” during late stance using a
    below-knee prosthesis, EXCEPT:

a. Excessive dorsiflexion of foot
b. Too soft dorsiflexion bumper
c. Excessive anterior tilt of socket over
prosthetic foot
d. Too soft plantarflexion bumper

A

d. Too soft plantarflexion bumper

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3
Q
  1. Lateral whip is usually seen during:

a. Early stance
b. Midstance
c. Late stance
d. Early swing

A

c. Late stance

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4
Q
  1. In a standard transtibial amputation, the
    amputation is approximately what percentage of
    the tibial length?

a. <20
b. 20 to 50
c. > 50
d. 75

A

b. 20 to 50

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5
Q
  1. Which of the following is an amputation at the
    tarsometatarsal junction?

a. Transmetatarsal
b. Syme’s
c. Lisfranc
d. Chopart

A

c. Lisfranc

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6
Q
  1. What is the ideal shape for a transtibial residual
    limb?

a. Rectangular
b. Conical
c. Pyramidal
d. Cylindrical

A

d. Cylindrical

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7
Q

. In the postoperative management of the residual
limb a “shrinker” should be worn for how many
hours out of the day?

a. 24
b. 12
c. 8
d. Shrinkers are not utilized after amputation

A

a. 24

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8
Q
  1. Which of the following would be acceptable in
    contracture prevention for the transtibial
    amputee?
A

extension

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9
Q
  1. All of the following are components of a
    transtibial prosthesis
    except:

a. Socket
b. Rotor
c. Shank
d. Suspension

A

Rotor

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10
Q
  1. All of the following are pressure-tolerant areas for
    a below knee amputation prosthetic except:

a. Patellar tendon
b. Medial tibial flare
c. Fibular head
d. Popliteal fossa-gastrocsoleus muscles

A

c. Fibular head

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11
Q
  1. Which is not a pressure-sensitive area in regard to
    lower extremity prosthetics?

a. Pretibial muscles
b. Hamstring tendons
c. Patella
d. Distal tibia

A

a. Pretibial muscles

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12
Q 
12. Which of the following prosthetic foot is the most
affordable?
a. Multi-axis foot
b. Solid ankle cushion heel (SACH)
c. Energy storing
d. Single-axis foot
A

b. Solid ankle cushion heel (SACH)

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13
Q
  1. Which of the following prosthetic options would
    allow for participations in most vigorous sports?
    a. Flex-foot
    b. Single-axis foot
    c. Rigid keel
    d. Multi-axis foot
A

a. Flex-foot

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14
Q
  1. Tenderness on the anterior distal femur, lateral
    lurch when walking, and increased skin irritation
    at the ischium and pubis are all disadvantages of
    which above knee amputation socket?

a. Narrow mediolateral
b. Ischial containment
c. Contoured Adductor Trochanteric-Controlled
Alignment Method (CAT-CAM)
d. Quadrilateral transfemoral

A

d. Quadrilateral transfemoral

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15
Q
  1. The Silesian belt, total elastic suspension belt,
    and pelvic band are all types of suspension for
    which type of prosthesis?

a. Below knee amputation (transtibial)
b. Above knee amputation (transfemoral)
c. Hip disarticulation

A

b. Above knee amputation (transfemoral)

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16
Q
  1. Which of the following describes an awareness of
    a non-painful sensation in the amputated part?

a. Allodynia
b. Phantom pain
c. Hyperalgesia
d. Phantom sensation

A

d. Phantom sensation

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17
Q
  1. All of the following are reasonable pharmacologic
    interventions for the treatment of phantom pain
    except:

a. Tricyclic antidepressants
b. Serotonin reuptake inhibitors
c. Narcotics
d. Anticonvulsants

A

c. Narcotics

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18
Q
  1. When compared with normal walking without a
    prosthesis or assistive device, which condition
    requires the greatest increase in energy
    expenditure?

a. Transtibial amputation
b. Transfemoral amputation
c. Bilateral transtibial
d. Wheelchair use

A

b. Transfemoral amputation

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19
Q
  1. Which type of amputee will expend the most
    energy when being compared with normal
    walking?

a. Transfemoral-transtibial
b. Bilateral transtibial
c. Transfemoral with use of crutch
d. Transfemoral

A

a. Transfemoral-transtibial

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20
Q
  1. What will be the result of a heel cushion that is
    too soft, or a prosthetic foot in excessive
    plantarflexion?

a. Excessive knee flexion
b. Insufficient knee flexion
c. Excessive knee extension
d. Insufficient knee extension

A

b. Insufficient knee flexion

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21
Q
  1. In terms of gait analysis for the transtibial
    amputee, which is the “cause of high pressure
    against the patella” throughout most of the stance
    phase as well as the heel being off the floor when
    standing?

a. Foot too far posterior
b. Foot too dorsiflexed
c. Foot too plantarflexed
d. Foot too far anterior

A

c. Foot too plantarflexed

22
Q
  1. Which of the following is not a cause for a
    circumducted gait in a transfemoral amputee with
    a prosthesis?
    a. Prosthesis is too long
    b. Inadequate suspension
    c. Abduction contracture of the residual limb
    d. Too much adduction built into the prosthesis
A

d. Too much adduction built into the prosthesis

23
Q
  1. The surgical removal of the entire lower limb plus
    all or a major portion of the ileum is known as
    what type of amputation?
    a. Hemipelvectomy
    b. Hip disarticulation
A

a. Hemipelvectomy

24
Q
  1. Which amputation allows a patient to stand easily and walk on the end of the residual limb without
    wearing a prosthesis for short household distances?

a. Long transtibial
b. Syme’s
c. Short transtibial
d. Hemicorporectomy

A

b. Syme’s

25
Q
  1. What is the most common congenital upper
    extremity limb deficiency?

a. Transradial
b. Transhumeral
c. Absence of ulna
d. Absence of carpal, metacarpals phalanges

A

a. Transradial

26
Q
  1. What is the leading cause of acquired amputation in the upper extremity?

a. Cancer
b. Diabetes
c. Trauma
d. Burns

A

c. Trauma

27
Q
  1. What is the definition of a prosthesis?

a. An artificial substitute for a missing body
part
b. An external device applied to intact body
parts to provide support
c. A brace
d. A device used to assist balance

A

a. An artificial substitute for a missing body

part

28
Q
  1. Lateral trunk bending during stance in an above
    knee amputee wearing a prosthesis is due to the
    following, EXCEPT:

a. low lateral wall
b. short prosthesis
c. high medial wall
d. weak adductors

A

d. weak adductors

abductors dapat - peak during Mstance

29
Q
  1. Below-elbow (BE) prosthesis contains which of the following, EXCEPT:

a. a terminal device (TD)
b. wrist and forearm socket
c. elbow and arm socket
d. harness system

A

c. elbow and arm socket

30
Q
  1. A control cable or system used for an upper limb
    prosthesis which is aided with a single-control
    system?

a. Fair-Lead
b. Bowden
c. Myo-electric
d. None of the choices

A

b. Bowden

31
Q
  1. Causes of insufficient heel rise, EXCEPT:

a. Manual knee lock
b. Excessive knee friction
c. Too tight an extension aid
d. Insufficient knee friction

A

d. Insufficient knee friction

32
Q
  1. A possible cause for an abducted gait deviation
    includes:

a. Prosthesis too long
b. Socket too tight
c. High medial wall
d. A and C
e. All of the above

A

d. A and C

33
Q
  1. For a transtibial amputee, insufficient knee flexion during stance may be caused by any of the
    following. Which one may NOT be a cause?

a. Excessive dorsiflexion at the prosthetic ankle
b. Excessive plantarflexion at the prosthetic
ankle
c. Socket discomfort
d. Poor hip and knee control

A

a. Excessive dorsiflexion at the prosthetic ankle

34
Q
  1. Age of prosthesis fitting for a BK prosthesis in a
    child:

a. 3-6 months
b. 8-10 months
c. 2 years old
d. 3 years old

A

b. 8-10 months

35
Q
  1. The greatest socket pressure in the above knee amputee is felt over the _______.

a. Popliteal fossa
b. Anterior superior iliac spine
c. Patellar tendon
d. Ischial tuberosity

A

d. Ischial tuberosity

36
Q
  1. For good prosthetic acceptance, a juvenile
    amputee should be fitted before the age of (in
    years) __________.
    a. Eight
    b. Two
    c. Four
    d. Ten
A

c. Four

4-6

37
Q
  1. The time for upper limb prosthetic fitting for
    successful prosthetic restoration:

a. 8-12 months
b. 1-3 months
c. 2-3 weeks
d. 4-6 months

A

d. 4-6 months

38
Q
  1. The energy expenditure of single AK amputee:

a. 65% above normal
b. 75% above normal
c. 10% above normal
d. 41% above normal

A

a. 65% above normal

39
Q
  1. A patient with a transtibial prosthesis describes
    right knee buckling in the foot flat (loading
    response) stance phase of gait. Which of the
    following conditions in the patient is MOST likely
    present to cause this problem?

a. Excessive plantar flexion
b. Stiff heel cushion
c. Low shoe heel
d. Excessive foot inset

A

b. Stiff heel cushion

40
Q
  1. In an above-knee prosthesis biomechanics, the
    initial socket flexion is:

a. 5 degrees
b. 6 degrees
c. 7 degrees
d. 8 degrees

A

a. 5 degrees

41
Q
  1. A therapist is performing a prosthetic checkout on
    patient with transfemoral amputation. The
    prosthesis has been fitted with a quadrilateral
    socket. A checkout of the walls of the socket
    should reveal that the:

a. Height of the posterior wall is 2 inches less
than all the other walls
b. Anterior & lateral walls are 2 ½ inches higher
than the posterior & medial walls
c. Medial wall is 2 ½ inches higher than the
posterior wall while the anterior & lateral walls
at the same height
d. Posterior & lateral walls are 2 inches higher
than the medial & anterior walls

A

b. Anterior & lateral walls are 2 ½ inches higher

than the posterior & medial walls

42
Q
  1. What is the possible cause of foot slap on a
    patient using prosthesis for walking?

a. Not enough resistance on heel cushion
b. Insufficient extension aid
c. Not enough resistance on PF bumper
d. Insufficient friction

A

c. Not enough resistance on PF bumper

43
Q
  1. When examining a patient with a new AK
    prosthesis, you notice that the heel on the
    involved foot moves laterally at toe-off. Which of
    the following is the most likely cause of this
    deviation?

a. The prosthesis is too long
b. Excessive IR of the prosthetic knee
c. The prosthesis is too short
d. Excessive ER of the prosthetic knee

A

b. Excessive IR of the prosthetic knee

44
Q
  1. Redness on the inferior aspect of the patella upon
    removal of a patellar-tendon-bearing prosthesis
    indicates that the residual limb:

a. Is not far enough into the prosthesis, & fewer
socks should be worn
b. Has slipped too far into the prosthesis, &
additional socks should be worn
c. Has slipped too far into the prosthesis, &
fewer socks should be worn
d. Is not far enough into the prosthesis, &
additional socks should be worn

A

b. Has slipped too far into the prosthesis, &

additional socks should be worn

45
Q 
45. A hip hiking gait pattern in an above-knee
amputee is most likely caused by:
a. short prosthesis
b. long prosthesis
c. a suspension belt that is too tight
d. an externally rotated knee joint
A

b. long prosthesis

46
Q
  1. A type of upper limb prosthetic socket used for
    very short below-elbow amputation and with
    limitation of elbow flexion:

a. Standard socket
b. Single-walled socket
c. Munster socket
d. Split-socket with step-up hinge

A

d. Split-socket with step-up hinge

- for very short BEA + limited elbow flex

47
Q
  1. Age of prosthetic fitting: active terminal device for
    pediatric amputation?

a. 2 years old c. 4 years old
b. 3 years old d. 5 years old

A

a. 2 years old

48
Q
  1. The most physiologic terminal device?

a. Voluntary closing
b. Voluntary opening
c. Myo-electric hand
d. Cosmetic hand

A

a. Voluntary closing

49
Q
  1. You are performing a gait assessment on a patient
    using a patellar-tendon bearing prosthesis, and
    you observe excessive knee flexion in early
    stance of the involved side. The most likely
    reason for this is:

a. The socket is aligned too far posteriorly
b. The socket is aligned too far forward or tilted
anteriorly
c. The foot component is outset too much
d. The foot component is inset too much

A

b. The socket is aligned too far forward or tilted

anteriorly

50
Q
  1. For a transfemoral amputee who ambulates with
    circumduction of the prosthesis during swing,
    one may think of causes and this may include
    which of the following?
    a. Prosthesis too short
    b. Weak hip flexors
    c. Weak hip abductors
    d. Inadequate suspension
A

d. Inadequate suspension

Post Lec Exam (14 decks)

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