CPO Clinical Application & Fitting 4

Question 1

A patient presents with L3-L4 paraplegia. Which lower limb orthosis classification best supports ambulation for this patient?

Accepted Answer

KAFO (knee-ankle-foot orthosis)

Answer

AFO (ankle-foot orthosis)

Answer

HKAFO (hip-knee-ankle-foot orthosis)

Answer

SMO (supramalleolar orthosis)

Question 2

Which of the following is a contraindication for the use of a rigid ankle-foot orthosis (AFO)?

Accepted Answer

Significant pitting edema with fluctuating limb volume

Answer

Foot drop due to peroneal nerve injury

Answer

Mild spasticity with intact skin

Answer

Hemiplegia with foot drop

Question 3

During prosthetic training, a transfemoral amputee with a microprocessor knee falls during stair descent. The clinician should first evaluate:

Accepted Answer

Whether the patient's weight-activation threshold is set correctly

Answer

Battery charge level of the microprocessor unit

Answer

Prosthetic knee flexion angle at initial contact on the step

Answer

Whether the patient has completed bilateral stair training

Question 4

For a patient with complete C6 quadriplegia, which upper extremity orthosis best supports functional hand use for ADLs?

Accepted Answer

Dynamic wrist-driven flexor hinge orthosis (tenodesis splint)

Answer

Static resting hand splint

Answer

Functional electrical stimulation glove only

Answer

Bilateral elbow orthoses

Question 5

When evaluating prosthetic socket fit in a patient with a mature transtibial residual limb, which finding is most acceptable?

Accepted Answer

Mild redness over the patellar tendon resolving within 20 minutes

Answer

3 mm of piston motion with each step

Answer

Blanching of skin over the fibular head

Answer

Skin breakdown at the distal end

Question 6

A patient with a unilateral below-knee amputation is issued a liner but returns complaining of folliculitis on the residual limb. The BEST intervention is:

Accepted Answer

Instruct on proper liner hygiene and daily cleaning protocol

Answer

Switch to a pin-lock system without a liner

Answer

Prescribe systemic antibiotics immediately

Answer

Replace the liner with a harder durometer

Question 7

A scoliosis patient with a 30° Cobb angle (skeletally immature) is prescribed a TLSO. The orthosis should be worn approximately:

Accepted Answer

16-23 hours per day

Answer

Only during sleep

Answer

2-4 hours per day during activity only

Answer

Continuously for 3 months then discontinued