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USA - Prosthetics - Exam 2

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USA - Prosthetics Quiz on USA - Prosthetics - Exam 2, created by Ben Williams on 25/10/2017.
Ben Williams
Quiz by Ben Williams, updated more than 1 year ago
Ben Williams
Created by Ben Williams over 6 years ago
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Question 1

Question
Which amputation is described as "Excision of any part of one or more toes."?
Answer
  • Phalangeal
  • Transphalangeal
  • Metatarsal Ray Resection
  • Trans-metatarsal
  • Chopart

Question 2

Question
A prosthesis is not necessary for toe amputations.
Answer
  • True
  • False

Question 3

Question
Which amputation is described as "Disarticulation at the metatarsalphalgeal joint."?
Answer
  • Phalangeal
  • Transphalangeal
  • Metatarsal Ray Resection
  • Lisfranc
  • Chopart

Question 4

Question
1st digit amputation results in severe hallux valgus/ lateral deviation
Answer
  • True
  • False

Question 5

Question
Phalangeal amputation actually refers to a partial toe amputation, not necessarily a full toe disarticulation.
Answer
  • True
  • False

Question 6

Question
There are no toe prosthetics because toe amputations do not require prosthetics.
Answer
  • True
  • False

Question 7

Question
Which amputation is described as "Amputation through the mid-section of all metatarsals."?
Answer
  • Trans-metatarsal Amputation
  • Lisfranc
  • Chopart

Question 8

Question
Which amputation is described as "A disarticulation through the midtarsal joint leaving only the calcaneus and talus."?
Answer
  • Chopart
  • Lisfranc
  • Trans-metatarsal Amputation
  • Syme

Question 9

Question
Limb length discrepancy may be a problem in which of the following amputations?
Answer
  • Chopart
  • Lisfranc

Question 10

Question
Which of the following are Rigid or Semi-Rigid prosthetics?
Answer
  • Laminate Partial Foot
  • Rigid Plate
  • Custom Molded Insole with Toe Filler
  • Slipper Type Elastomer Prosthesis (STEP)
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates

Question 11

Question
Which of the following are Flexible or Semi-Flexible prosthetics?
Answer
  • Slipper Type Elastomer Prosthesis (STEP)
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates
  • Laminate Partial Foot
  • Rigid Plate
  • Custom Molded Insole with Toe Filler

Question 12

Question
Which of the following may incorporate a patellar-tendon-bearing (PTB) design to reduce weight bearing to the foot?
Answer
  • Laminate Partial Foot
  • Rigid Plate
  • Custom Molded Insole with Toe Filler
  • Slipper Type Elastomer Prosthesis (STEP)
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates

Question 13

Question
Which of the following is used with patients with equines deformity that can be passively corrected? A plate supports the residual foot and attaches to a shank piece which is formed around the calf.
Answer
  • Laminate Partial Foot
  • Rigid Plate
  • Custom Molded Insole with Toe Filler
  • Slipper Type Elastomer Prosthesis (STEP) –
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates

Question 14

Question
Which of the following is a simple foam filler with plastic insert for transverse arch and rear foot stability.
Answer
  • Custom Molded Insole with Toe Filler
  • Rigid Plate
  • Laminate Partial Foot
  • Slipper Type Elastomer Prosthesis (STEP)
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates

Question 15

Question
In which of the following prosthetses are semi-flexible urethane elastomers modeled to provide a foot-shape prosthesis with a soft socket that conforms to the foot.
Answer
  • Slipper Type Elastomer Prosthesis (STEP)
  • Reinforced Silicone Cosmetic Prosthesis
  • Dynamic Response Footplates
  • Custom Molded Insole with Toe Filler
  • Rigid Plate
  • Laminate Partial Foot

Question 16

Question
Which of the following is a life-like foot designed of soft, flexible mold silicone which is cosmetically appealing and functional?
Answer
  • Reinforced Silicone Cosmetic Prosthesis
  • Slipper Type Elastomer Prosthesis (STEP)
  • Dynamic Response Footplates
  • Custom Molded Insole with Toe Filler
  • Rigid Plate
  • Laminate Partial Foot

Question 17

Question
Which of the following is made from carbon fiber composite materials and has a footplate that offers flexibility, creating a more responsive prosthesis?
Answer
  • Dynamic Response Footplates
  • Reinforced Silicone Cosmetic Prosthesis
  • Slipper Type Elastomer Prosthesis (STEP)
  • Custom Molded Insole with Toe Filler
  • Rigid Plate
  • Laminate Partial Foot

Question 18

Question
How much of the tibial length remains in a Long Transtibial Amputation?
Answer
  • >50%
  • 20-50%
  • <20%
  • <10%
  • >75%

Question 19

Question
How much of the tibial length remains in a Conventional Transtibial Amputation?
Answer
  • >75%
  • >50%
  • 20-50%
  • <20%
  • <10%

Question 20

Question
How tibial length remains in a Short Transtibial Amputation?
Answer
  • >75%
  • >50%
  • 20-50%
  • <20%
  • <10%

Question 21

Question
What are the advantages & disadvantages of a Trans-Tibial amputation relative to a Trans-Femoral amputation?
Answer
  • Lower mortality
  • Better rehab prognosis
  • Decreased incidence of phantom pain
  • Faster walking speed
  • Greater gait efficiency
  • Higher mortality
  • Less need for rehab
  • Phantom pain is quite common
  • Longer stride length
  • Commonly leads to lower K-Level (K1 or K2)

Question 22

Question
Which of the following feet are appropriate for a typical patient at K1?
Answer
  • SACH
  • Symes
  • Single Axis
  • Multi-Axial
  • SAFE
  • Greissinger
  • Energy-Storing
  • Seattle
  • Multi-Axial + Energy Storing
  • Ceterus

Question 23

Question
Which of the following feet are appropriate for a typical patient at K2?
Answer
  • Multi-Axial
  • Greissinger
  • SAFE
  • Endolite Multiflex (non-energy storing version)
  • SACH
  • Symes
  • Single Axis
  • Endolite Multiflex (energy storing version)
  • Runway
  • Ceterus

Question 24

Question
Which of the following feet are appropriate for a typical patient at K3?
Answer
  • Energy-Storing
  • Seattle
  • Endolite Multiflex (energy storing version)
  • Runway
  • Multi-Axial + Energy-Storing
  • Ceterus
  • Flex
  • Pathfinder
  • Free Flex
  • Symes

Question 25

Question
Which of the following feet are appropriate for a typical patient at K4?
Answer
  • Multi-Axial + Energy-Storing
  • Flex
  • Ceterus
  • Springlite
  • Runway
  • Endolite Multiflex (energy storing version)
  • Dynamic Foot
  • Single Axis
  • SACH
  • Greissinger

Question 26

Question
What type of foot is this and to which K-Level does it belong?
Image:
Sach2 (binary/octet-stream)
Answer
  • SACH
  • K1
  • Single-Axis
  • Multi-Axis
  • K0
  • K2
  • Energy-Storing
  • K3

Question 27

Question
What type of foot is this and to which K-Level does it belong?
Image:
Single Axis Foot2 (binary/octet-stream)
Answer
  • Single-Axis
  • K1
  • K0
  • SACH
  • K2
  • K3
  • K4
  • Energy-Storing
  • Multi-Axial

Question 28

Question
What type of foot are these and to which K-Level do they belong?
Image:
Multi Axial + Energy Storing – K4 (binary/octet-stream)
Answer
  • Multi-Axial + Energy-Storing
  • K4
  • K3
  • K2
  • K1
  • Energy-Storing
  • SACH
  • Multi-Axial
  • Single-Axis

Question 29

Question
What type of foot is this and to which K-Level does it belong?
Image:
Sach (binary/octet-stream)
Answer
  • SACH
  • K1
  • K0
  • K2
  • Single-Axis
  • Multi-Axial

Question 30

Question
What type of foot is this and to which K-Level does it belong?
Image:
Single Axis Foot (binary/octet-stream)
Answer
  • Single-Axis
  • K1
  • K0
  • K2
  • SACH
  • Multi-Axial

Question 31

Question
What type of foot is this and to which K-Level does it belong?
Image:
Energy Storing (binary/octet-stream)
Answer
  • K1
  • K2
  • K3
  • K4
  • Energy-Storing
  • Single-Axis
  • SACH
  • Multi-Axial

Question 32

Question
Walking in sand requires which of the following accessories?
Answer
  • Torque Absorber/Torsion Adapter
  • Ankle Unit
  • Rotator

Question 33

Question
How much of the femoral length remains in a Long Transfemoral Amputation?
Answer
  • >60%
  • >75%
  • >50%
  • 35-60%
  • <35%
  • 20-50%
  • <20%

Question 34

Question
How much of the femoral length remains in a Standard Transfemoral Amputation?
Answer
  • >60%
  • >50%
  • 35-60%
  • 20-50%
  • <35%
  • <20%

Question 35

Question
How much of the femoral length remains in a Short Transfemoral Amputation?
Answer
  • >75%
  • >60%
  • 35-50%
  • 20-60%
  • <35%
  • <20%

Question 36

Question
What are the advantages of a transfemoral amputation relative to the more distal amputations?
Answer
  • Greater Healing Rate
  • Easier socket fit
  • Shorter hospital stay
  • Less incidence of Phantom Pain
  • Less incidence of surgical complications
  • Lower mortality
  • Gait training is easier

Question 37

Question
The quadrilateral socket for a transfemoral amputation allows for muscle contractions.
Answer
  • True
  • False

Question 38

Question
The Quadrilateral socket (TFA) is characterized by reliefs and bulges.
Answer
  • True
  • False

Question 39

Question
The Ischial Containment Socket is characterized by narrow medial / lateral diameter with greater width in the anterior / posterior dimensions
Answer
  • True
  • False

Question 40

Question
The Quadrilateral Socket (TFA) is characterized by narrow medial / lateral diameter with greater width in the anterior / posterior dimensions.
Answer
  • True
  • False

Question 41

Question
The Ischial Containment socket (TFA) is characterized by reliefs and bulges.
Answer
  • True
  • False

Question 42

Question
Stability of a Knee Unit is accomplished by which of the following?
Answer
  • Residual limb exerting a backward force within the socket
  • Residual limb exerting a forward force within the socket
  • Knee axis aligned posterior to the weight line
  • Knee axis aligned anterior to the weight line
  • Stance, braking or locking mechanism
  • Movement of the residual limb and pelvis
  • Gravity

Question 43

Question
Swing Control of a Knee Unit is accomplished by which of the following?
Answer
  • Movement of the residual limb and pelvis
  • Momentum
  • Mechanical extension
  • Gravity
  • Residual limb exerting a backward force within the socket
  • Knee axis aligned anterior to the weight line
  • Locking mechanism

Question 44

Question
Which of the following Swing-Phase Control Mechanisms are appropriate for K1 and K2?
Answer
  • Mechanical Friction
  • Pneumatic Control
  • Microprocessor Controlled Fluid Friction
  • Hydraulic Control

Question 45

Question
Which of the following Swing-Phase Control Mechanisms are appropriate for K3 and K4?
Answer
  • Mechanical Friction
  • Pneumatic Control
  • Microprocessor Controlled Fluid Friction
  • Hydraulic Control

Question 46

Question
C-Leg and Genium are which type of Swing-Phase Control Mechanisms?
Answer
  • Microprocessor Controlled Fluid Friction
  • Hydraulic Control
  • Pneumatic Control
  • Mechanical Friction

Question 47

Question
The Weight-Activated Stance Brake Knee (WASB) imparts a characteristic gait deviation and limits cadence to a single speed.
Answer
  • True
  • False

Question 48

Question
The Weight-Activated Stance Brake Knee (WASB) imparts a characteristic gait deviation, but is otherwise appropriate for K3.
Answer
  • True
  • False

Question 49

Question
Which Hip Joint Mechanism is described below? At toe off, knee flexion pulls the hip joint against the posterior extension stop. As the knee rotates forward the weight and slight pelvic posterior rotation flexes the hip. Because the prosthesis is at full length during mid swing the prosthesis must be significantly shortened to permit toe clearance, however, most amputees tend to vault with the contralateral leg.
Answer
  • Canadian Hip
  • Hip Flexion Bias System
  • Littig Hip Strut

Question 50

Question
Which Hip Joint Mechanism is described below? As weight passes over the prosthesis during stance the coiled spring is compressed. At toe off the spring is released.
Answer
  • Canadian Hip
  • Hip Flexion Bias System
  • Littig Hip Strut

Question 51

Question
Which Hip Joint Mechanism is described below? A carbon fiber strut is fabricated to the anterior portion of the socket. Weight bearing during stance compressed the strut and as the body weight is reduced going into swing the prosthetic thigh is deflected forward. No additional pelvic motion is required.
Answer
  • Canadian Hip
  • Hip Flexion Bias System
  • Littig Hip Strut
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