DPT Prosthetics & Orthotics

Question 1

What is the primary purpose of total contact in a transtibial prosthetic socket?

Accepted Answer

To distribute pressure evenly across the residual limb

Answer

To increase walking speed

Answer

To prevent knee hyperextension

Answer

To accommodate volumetric fluctuations

Question 2

Which type of ankle-foot orthosis (AFO) is most appropriate for a patient with isolated foot drop due to peroneal nerve palsy?

Accepted Answer

Posterior leaf spring AFO

Answer

Solid AFO with plantarflexion stop

Answer

Articulated AFO with dorsiflexion assist

Answer

Ground reaction AFO (GRAFO)

Question 3

The K-level classification system used in lower limb prosthetic prescription is primarily based on:

Accepted Answer

The patient's rehabilitation potential and functional mobility level

Answer

The patient's age and body weight

Answer

The type and level of amputation

Answer

The patient's pain level and comorbidities

Question 4

Why is initial flexion (5–10°) commonly built into a transfemoral prosthetic socket?

Accepted Answer

To facilitate hip extensor activation and prevent excessive lumbar lordosis

Answer

To prevent hip adduction during swing phase

Answer

To increase stride length on the prosthetic side

Answer

To reduce energy expenditure at high walking speeds

Question 5

Which prosthetic foot design is classified as an energy-storing and return (ESAR) foot?

Accepted Answer

Carbon fiber dynamic response foot

Answer

SACH (Solid Ankle Cushion Heel) foot

Answer

Single-axis foot

Answer

Multi-axial foot

Question 6

What is the primary biomechanical indication for prescribing a floor-reaction AFO (GRAFO)?

Accepted Answer

Crouch gait due to weak knee extensors or plantarflexors

Answer

Foot drop with preserved ankle dorsiflexor strength

Answer

Spastic equinovarus with fixed deformity

Answer

Mediolateral ankle instability following inversion sprain

Question 7

Which outcome measure was specifically designed and validated to assess functional mobility and predict prosthetic component needs in amputees?

Accepted Answer

Amputee Mobility Predictor (AMP)

Answer

Tinetti Performance-Oriented Mobility Assessment

Answer

Berg Balance Scale

Answer

Functional Independence Measure (FIM)