OTC Orthopaedic Technologist Certified Orthopaedic Appliances and Bracing 2

Question 1

Which type of knee orthosis is specifically designed to unload one compartment of the knee joint in patients with unicompartmental osteoarthritis?

Accepted Answer

Unloader knee brace

Answer

An unloader knee brace applies a three-point pressure system to shift load away from the affected medial or lateral compartment of the knee.

Question 2

When fitting a TLSO (thoracolumbosacral orthosis), which anatomical landmark is used as the superior reference point for the sternal pad?

Accepted Answer

Sternal notch

Answer

The sternal notch (jugular notch) serves as the superior landmark for the sternal pad to ensure proper thoracic immobilization without impeding cervical motion.

Question 3

A patient presents with a drop foot condition. Which ankle-foot orthosis (AFO) configuration is most appropriate for providing toe clearance during the swing phase?

Accepted Answer

Posterior leaf spring AFO

Answer

A posterior leaf spring AFO provides dorsiflexion assistance during swing phase to clear the toes while allowing some push-off at terminal stance.

Question 4

Which casting material sets the fastest, making it most appropriate when rapid immobilization is clinically required?

Accepted Answer

Extra-fast setting plaster of Paris

Answer

Extra-fast setting plaster of Paris reaches working rigidity in approximately 2-3 minutes, making it ideal when rapid immobilization is needed.

Question 5

The Milwaukee brace is a cervicothoracolumbosacral orthosis (CTLSO) primarily used to treat scoliosis curves with the apex at which vertebral level?

Accepted Answer

T8 or above

Answer

The Milwaukee brace is indicated for high thoracic scoliosis with an apex at T8 or above, where the cervical superstructure provides necessary corrective forces.

Orthopaedic Technologist Certified Test Practice Test

Orthopaedic Technologist Certified Test Practice Test

OTC Orthopaedic Technologist Certified Orthopaedic Appliances and Bracing 2