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8531 Prosthetics > Quiz Questions > Flashcards

Quiz Questions Flashcards

1
Q

Prescriptions for initial prosthetic components should be based on all of the following EXCEPT

a. Predicted amputee activity demands
b. Reimbursement requirements
c. Profit margin on individual components
d. Bony contours of residual limbs

A

c. Profit margin on individual components

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2
Q

Which TT socket is more likely to be used in new amputee (the current standard)?

a. Total surface bearing
b. Patellar tendon bearing
c. NA - they are equally current and useful
d. NA - there is another socket that is the current standard

A

a. Total surface bearing

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3
Q

Which of the following is true? The weight of the components is

a. Directly to both financial and energy cost
b. Directly related to financial cost but inversely related to energy cost
c. Inversely related to financial cost but directly related to energy cost
d. Inversely to both financial and energy cost

A

c. Inversely related to financial cost but directly related to energy cost

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4
Q

The most preferred skin-socket interface is

a. Socks
b. Soft insert
c. Sleeve
d. Gel

A

d. Gel

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5
Q

Which of the following is the most important goal of prosthetic suspension?

a. Max comfort
b. Min pistoning
c. Min cost
d. Max cosmesis

A

b. Min pistoning

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6
Q

Which of the following types of suspension is located inside the socket?

a. Joint and corset
b. Sleeve
c. Supracondylar cuff
d. Locking liner

A

d. Locking liner

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7
Q

Which of the following is NOT an advantage of an endoskeletal prosthesis over an exoskeletal?

a. Very adjustable
b. More durable
c. Lighter
d. More cosmetic

A

b. More durable

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8
Q

Bench alignment in slight flexion is done mainly in order to

a. Minimize pressure and increase comfort
b. Widen base of support and facilitate balance
c. Increase the mechanical advantage of the quad
d. Accommodate to a knee flexion contracture

A

c. Increase the mechanical advantage of the quad

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9
Q

Prosthetic socks are used for all of the following EXCEPT

a. Minimize moisture loss
b. Optimize fit
c. Increase comfort
d. Minimize shear

A

a. Minimize moisture loss

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10
Q

Which of the following suspension types provide medial-lateral knee stability?

a. Sleeve
b. Locking liner
c. Cuff strap
d. None of the above

A

d. None of the above

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11
Q

Traumatic amputation following motorcycle accident. RL is short, extensive knee ligament damage also sustained in accident

a. Corset and joint
b. Supracondylar
c. Sleeve
d. Suction

A

a. Corset and joint

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12
Q

Amputee with rheumatoid arthritis and moderately impaired dexterity

a. Vacuum assisted
b. Locking liner
c. Supracondylar strap
d. Corset and joint

A

b. Locking liner

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13
Q

Amputee receiving chemotherapy and with volume that fluctuates significantly

a. Supracondylar/suprapatellar
b. Supracondylar
c. Waist belt
d. Suction

A

c. Waist belt

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14
Q

Amputee with very sensitive skin, abrades easily

a. Supracondylar
b. Pin and shuttle
c. Corset and joint
d. Waist belt

A

b. Pin and shuttle

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15
Q

An outset foot in the transtibial amputee causes excess pressure in the proximal ___ and distal ___ limb

a. Lateral, medial
b. Medial, lateral

A

a. Lateral, medial

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16
Q

A transtibial prosthesis that is too long is most likely to cause

a. Trunk lean during stance
b. Extension moment at the knee
c. Antalgic gait
d. Trendelenburg gait

A

a. Trunk lean during stance

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17
Q

The PT just removed a PTB prosthesis, and sees redness over the patellar tendon. What is the best assessment of this?

a. Appropriate fit
b. Inadequate suspension
c. Caused by pistoning
d. Too tight

A

a. appropriate fit

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18
Q

When would you need to assess fit if there is redness?

A

If redness lasts longer than 10 mins

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19
Q

Pistoning due to inadequate suspension is a problem for an amputee because it creates all of the following EXCEPT

a. a functionally longer limb during swing
b. excessive pressure within the socket during stance
c. possible blistering or abrasion on the RL

A

b. excessive pressure within the socket during stance

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20
Q

Suspension is affected during this phase of gait

A

swing

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21
Q

What is another term for toe-lever?

A

keel

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22
Q

A toe lever (keel) that is too short creates a (n)

a. extension moment during IC
b. extension moment during mid-late stance
c. flexion moment during IC
d. flexion moment during mid-late stance

A

d. flexion moment during mid-late stance

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23
Q

A heel cushion that is too hard creates potential for excessive pressure at the ____ residual limb in the transtibial amputee

a. distal anterior
b. distal posterior
c. proximal anterior
d. proximal posterior

A

a. distal anterior

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24
Q

Where is excessive redness likely after doffing a PTB socket that is too tight?

a. distal patella
b. tibial tubercle
c. patellar tendon
d. pressure won’t be evident

A

b. tibial tubercle

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25
Q

An inset foot is most likely the create excessive pressure at what two points on the residual limb

a. distal lateral, proximal medial
b. distal medial, proximal lateral

A

a. distal lateral, proximal medial

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26
Q

What is the advantage of a split keel foot over a solid keel foot?

a. stability on level surfaces
b. stability on uneven terrain
c. better energy return
d. adaptable to more types of shoes

A

b. stability on uneven terrain

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27
Q

An amputee that puts on flat shoes instead of their usual shoe with a ¾ heel is ____likely to fall

a. less
b. more
c. equally

A

a. less

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28
Q

What is the main advantage of a dynamic response foot?

a. More natural initial contact
b. More natural swing phase
c. More natural terminal stance

A

c. More natural terminal stance

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29
Q

An amputee with pin and shuttle suspension slips easily into their socket and gets more than the usual number of clicks in quick succession. What is the best assessment of their fit?

a. correct
b. too loose
c. too tight

A

b. too loose

should require some effort to don so it is snug

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30
Q

The amputee should always pull the silicone liner onto their residual limb using two hands.

a. true
b. false

A

b. false

should be rolled on

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31
Q

The pin and shuttle suspension is a good choice for the amputee with knee ligament damage

a. true
b. false

A

b. false

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32
Q

What amputee is likely to use auxiliary suspension

a. Fluctuating volume
b. Poor dexterity
c. Poor endurance

A

a. Fluctuating volume

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33
Q

The amputee with an IPOP should start full WB immediately after surgery to achieve the maximum benefit from this type of prosthesis

a. True
b. False

A

b. False

should only allow toe-touch WB, not FWB immediately after surgery

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34
Q

Socks are used chiefly for

a. Absorbing perspiration
b. Adjusting fit
c. Providing padding

A

b. Adjusting fit

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35
Q

Which suspension would be most appropriate for the amputee with chronic, significant adductor weakness?

A. Traditional pull-on suction
B. Pelvic band and joint
C. TES belt
D. Pin and shuttle

A

B. Pelvic band and joint

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36
Q

An amputee with poor standing balance is MOST likely to have difficulty donning which of the following suspension types?

A. Traditional pull-on suction
B. Pelvic band and joint
C. Silesian belt
D. Active suction/Elevated vacuum

A

A. Traditional pull-on suction

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37
Q

An amputee with poorly controlled diabetes and volume fluctuations is most likely to benefit from which of the following suspension types?

A. Traditional pull-on suction
B. Pelvic band and joint
C. Silesian belt
D. Active suction

A

D. Active suction

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38
Q

The pneumatic knee’s main advantage is that it _____ than a hydraulic knee.

A. Weighs less than
B. Provides smoother gait
C. Is more stable than
D. N/A: they are equally applicable to most amputees

A

A. Weighs less than

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39
Q

An amputee with PVD has been wearing his prosthesis for 5-10 minutes during the first checkout/training session. Which of the following are NOT reliable indicators of whether or not the socket fit is appropriate?

A. Absence of pistoning
B. Height of trimlines
C. Their report of pain
D. Them saying it feels OK

A

D. Them saying it feels OK

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40
Q

The wearing time for a new prosthesis should be gradually increased because

A. The amputee’s skin needs time to accommodate to the new forces
B. The components must be gradually “broken in” in order to last
C. Patients can’t be trusted to pay attention to warning signs
D. The therapist need time to thoroughly evaluate gait

A

A. The amputee’s skin needs time to accommodate to the new forces

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41
Q

The most important reason to prevent hip flexion contracture in the transfemoral amputee is because it can cause problems with

A. Cosmesis
B. Knee stability
C. Skin integrity
D. Socket fit

A

B. Knee stability

42
Q

Optimal alignment stability is important for all of the following EXCEPT

A. Increased safety
B. Decreased energy consumption
C. Increased confidence
D. Increased gait speed

A

D. Increased gait speed

43
Q

In a transfemoral socket that is loose, which of the following are you most likely to see during stance?

A. Trunk lean due to inadequate suspension
B. Trunk lean due to pain
C. Longer prosthetic stance time
D. Shorter prosthetic swing

A

B. Trunk lean due to pain

44
Q

A prosthesis that is too tight will create the appearance of a longer limb during stance AND swing

A. True
B. False

A

A. True

45
Q

A rigid dressing would not be appropriate for shaping in an amputee with poor balance because the weight throws their balance off

A. True
B. False

A

B. False

46
Q

The transfemoral amputee using traditional pull-in suction suspension does not wear socks

A. True
B. False

A

A. True

47
Q

Vaulting is likely to result from wearing a prosthesis that is too short

A. True
B. False

A

B. False

48
Q

The normal width of the base of support during ambulation is

1-2”
2-4”
3-6”

A

2-4”

49
Q

When gait training a new amputee in the parallel bars, the amputee should be instructed to remove the ____side hand first

A. Prosthetic
B. Sound

A

B. Sound

50
Q

A PT has an amputee in the parallel bars and is training him to rotate his pelvis in the transverse plane. The PT should use the following techniques in order:

A. Resistance, rhythmic initiation, tactile cues
B. Rhythmic initiation, resistance, tactile cues
C. Tactile cues, resistance, rhythmic initiation

A

B. Rhythmic initiation, resistance, tactile cues

51
Q

RL pain while wearing a prosthesis is an indicator of possible skin problems in a diabetic.

A. True
B. False

A

A. True

52
Q

The new prosthesis user tends to keep their _____ foot directly under their center of mass.

A. Prosthetic
B. Sound

A

B. Sound

53
Q

A transfem amputee with a mature RL has been wearing her prosthesis w/out any problems for several months. She uses a lanyard suspension with 3-4 socks. Now she complains of it “not feeling right”. When you put your finger in the valve hole near the bottom of the socket, you feel space between the socks on her residual limb and the bottom of the socket. What is the most appropriate response?

A. Add a sock
B. No response needed
C. Remove a sock
D. Send them for a new socket immediately

A

C. Remove a sock

54
Q

A circumducted gait can be caused by all of the following EXCEPT

A. Abduction contracture
B. Excessive length of prosthesis
C. Insecurity of the amputee
D. Weak hip extensors

A

A. Abduction contracture

55
Q

Which amputee is most likely to be able to kneel comfortably in their prosthesis?

A. Transfem
B. Transtib

A

A. Transfem

56
Q

Hip flexion contractures DO NOT affect a transtibial amputee’s ambulation.

A. True
B. False

A

B. False

57
Q

Crotch pressure can cause all of these except

A. Short prosthetic stance
B. Long prosthetic swing
C. Vaulting
D. Trunk lean

A

C. Vaulting

58
Q

A TF amputee with an excessively high medial wall is likely to have an abducted gait.

A. True
B. False

A

A. True

59
Q

Too much ER at the prosthetic knee is likely to cause a ___ whip in a TF amputee

A. Lateral
B. Medial
C. NA-knee rotation isn’t related to whips

A

B. Medial

60
Q

A prosthetist could increase the speed of swing by either increasing the extension aid or increasing friction in the knee

A. True
B. False

A

B. False

61
Q

The transfemoral amputee should lead with the ____ foot when going sideways down a steep incline.

A. Prosthetic
B. Sound
C. Either
D. Neither- inclines aren’t safe

A

A. Prosthetic

62
Q

The knee of a transfemoral prosthesis should not flex during any part of stance.

A. True
B. False

A

B. False

63
Q

What is the function of friction in a prosthetic knee?

A. To counterbalance extension aid
B. To add safety and stability
C. Enables variable cadence

A

A. To counterbalance extension aid

64
Q

Assuming the socket fit is still appropriate, the more socks the better.

A. True
B. False

A

B. False

65
Q

Stool stepping with the sound limb is a good activity for all of the following EXCEPT

A. Strengthening the sound hip flexors
B. Strengthening the residual hip extensors
C. Developing better dynamic balance
D. Increasing an amputee’s confidence

A

A. Strengthening the sound hip flexors

66
Q

The PT should try to wean a transfemoral amputee from using their hands on the arms of a chair to assist with sit-to-stand

A. True
B. False

A

B. False

67
Q

Which of the following is NOT a challenge for the Syme’s amputee?

a. Weight bearing
b. Socket fit
c. Risk of residual limb deformity
d. Cosmesis

A

a. Weight bearing

68
Q

Partial foot amputations are likely to lead to all of the following EXCEPT

a. Loss of anterior support in terminal stance
b. More rapid ambulation due to diminished foot surface area
c. Increased demand for quadriceps activity during late stance
d. Decreased shock absorption during loading response

A

b. More rapid ambulation due to diminished foot surface area

69
Q

For the hip disarticulation, the weight bearing line should fall _____ to the hip, _______ to the knee, and ______ to the ankle

a. Posterior, posterior, anterior
b. Anterior, anterior, posterior
c. Posterior, anterior, anterior
d. Anterior, posterior, anterior

A

c. Posterior, anterior, anterior

70
Q

A transaction through the forearm is called a _______ amputation

a. below elbow
b. transradial
c. translunar

A

b. transradial

71
Q

to assist the bilateral transfemoral amputee with ambulation, stubbies feature

a. locked knees
b. microprocessor knees
c. flat bottom feet
d. no knees

A

d. no knees

72
Q

Body powered prostheses depend on ______ to create movement in the terminal device

a. cables and proximal motion
b. external batteries and cables
c .microprocessors and batteries
d. motor nerve impulses and electrodes

A

a. cables and proximal motion

73
Q

the voluntary _______ terminal device is good for when the user needs to volitionally grade prehensile force.

a. closing
b. opening
c. N/A - neither do this
d. N/A - both do this

A

a. closing

74
Q

The patient using a hip disarticulation prosthesis is likely to need extra ______ assist and _______ stability

a. Stance, swing
b. Stance, stance
c. Swing, stance
d. Swing, swing

A

c. Swing, stance

75
Q

How does the user of a conventional (not myoelectric) voluntary opening terminal device increase their grip strength?

a. Contract more
b. Flex more
c. Relax

A

c. Relax

76
Q

What is/are the main advantages of the myoelectric prosthesis? (Can choose more than 1)

a. Cosmesis
b. Durability
c. Function (Probably better than previously, this is a maybe?)
d. Weight

A

a. Cosmesis

c. function

77
Q

Most UE amputations are caused by trauma.

a. True
b. False

A

a. True

78
Q

Diabetics with partial foot amputations have a lower risk of plantar ulcers after amputation than before amputation

a. True
b. False

A

b. False

79
Q

Prosthetic hooks are generally less functional than prosthetic hands

a. True
b. False

A

b. False

80
Q

The most accurate synonym for a Syme’s amputation is:

a. Ankle amputation
b. Talocrural disarticulation
c. Fibulotarsal disarticulation
d. Talocalcaneal amputation

A

b. Talocrural disarticulation

81
Q

One advantage of the Syme’s amputation is that it allows

a. Immediate weight bearing without a prosthesis
b. Simple socket fitting and good comfort
c. Long lever arm for control during gait (referring to length of tibia)
d. A wide variety of prosthetic foot options

A

c. Long lever arm for control during gait (referring to length of tibia)

82
Q

A disarticulation of the metatarsals from the midfoot is called a _____ amputation

a. Chopart
b. Lisfranc
c. Transmetatarsal
d. Forefoot

A

b. Lisfranc

83
Q

Which of the following is important in deciding whether an amputee needs an amputee chair instead of a standard chair?

a. Balance
b. Amputation(s) level
c. Activity level
d. Age

A

b. Amputation(s) level

84
Q

A diabetic should

a. Apply lotion right after bathing between their toes only
b. Apply lotion right after bathing to their entire foot and put cotton between their toes
c. Apply lotion right after bathing to their foot, except between their toes
d. Not apply lotion

A

Apply lotion right after bathing to their foot, except between their toes

85
Q

A diabetic is most likely to get ulcers on their

a. Dorsal great toe
b. Posterior heel
c. Medial malleolus
d. Plantar metatarsal heads

A

d. Plantar metatarsal heads

86
Q

For an amputee who is fearful and has only fair balance, ______ would be the most appropriate assistive device

a. Cane
b. Crutches
c. Walker

A

c. Walker

87
Q

Which of the following interventions is most appropriate to minimize edema of the residual limb in the amputee with PVD?

a. Compression
b. Elevation
c. Ice

A

a. Compression

88
Q

A conical residual limb is an appropriate shape for prosthetic fitting

a. True
b. False

A

a. True

89
Q

Named two muscle groups that are likely to become adaptively shortened in the TF amputee

a. Abductors and extensions
b. Abductors and flexor
c. Adductors and extensions
d. Adductors and flexor

A

b. Abductors and flexor

90
Q

All amputees who need a WC should be issued an amputee WC

a. True
b. False

A

b. False

91
Q

“My foot that’s not there anymore itches like crazy- I can’t stand it.” What’s being described is

a. Amputee pain
b. Phantom pain
c. Phantom sensation
d. Residual limb pain

A

b. Phantom pain

92
Q

Assuming safety is assured with both, which would be preferred for gait outside the parallel bars in an acute amputee?

a. Crutches
b. Walker

A

a. Crutches

93
Q

A cylindrical limb is an appropriate shape for prosthetic fitting.

a. True
b. False

A

a. True

94
Q

Name two hip movements that the transfemoral amputee is most likely to lose range in, if they don’t pay attention to exercise and positioning instructions.

a. Abduction & extension
b. Abduction & flexion
c. Adduction & extension
d. Adduction & flexion

A

c. Adduction & extension

95
Q

The axle of an amputee wheelchair is set one-inch more ___________ than usual.

a. Anterior
b. Posterior

A

b. Posterior

96
Q

In the transfemoral amputee who anticipates receiving a prosthesis, priority for strengthening should be given to what muscle groups?

a. Abductors & extensors
b. Abductors & flexors
c. Adductors & extensors
d. Adductors & flexors

A

a. Abductors & extensors

97
Q

“My foot that’s not there anymore feels like it’s moving.” What is being described?

a. Amputee pain
b. Phantom pain
c. Phantom sensation
d. Residual limb pain

A

c. Phantom sensation

98
Q

The main advantage of a Syme’s amputation is

a. Cosmesis
b. Function when not wearing a prosthesis
c. Function when wearing a prosthesis

A

b. Function when not wearing a prosthesis

99
Q

Which of the Semmes-Weinstein monofilaments differentiates whether an amputee does or does not have protective sensation?

1 g
10 g
100 g
1000 g

A

10 g

100
Q

A diabetic who can feel the 5.07 Semmes-Weinstein monofilament on the sole of their foot but not the 6.10 monofilament is

a. Likely to develop an ulcer
b. Not likely to develop an ulcer
c. Probably confused

A

c. Probably confused

8531 Prosthetics (16 decks)

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