OTC Orthopaedic Technologist Certification 3

Question 1

The primary purpose of stockinette applied beneath a cast is to:

Accepted Answer

Protect the skin and provide a smooth inner surface

Answer

Stockinette protects the skin from plaster or fiberglass abrasion and is folded back over the cast edges to create a smooth, padded border.

Question 2

A Colles' fracture is best described as a:

Accepted Answer

Distal radius fracture with dorsal angulation and radial shortening

Answer

A Colles' fracture is a distal radius fracture with dorsal angulation, producing the classic 'dinner fork' deformity and often radial shortening.

Question 3

During cast removal, the cast saw should be moved in which motion to minimize skin injury?

Accepted Answer

Up-and-down plunge motion without lateral sweeping

Answer

The cast saw oscillates and should be used with an up-and-down plunge technique rather than dragging to avoid heat buildup and skin lacerations.

Question 4

Which fracture pattern is most commonly associated with child abuse in pediatric patients?

Accepted Answer

Classic metaphyseal lesion (bucket-handle fracture)

Answer

Classic metaphyseal lesions, also called corner or bucket-handle fractures, are highly specific for non-accidental trauma in infants and young children.

Question 5

When a patient is in a long leg cast and reports extreme pain, swelling, and a foul odor, the OT should first:

Accepted Answer

Immediately notify the supervising physician

Answer

These signs may indicate infection or compartment syndrome, both of which are emergencies requiring immediate physician evaluation.

Orthopaedic Technologist Certified Test Practice Test

Orthopaedic Technologist Certified Test Practice Test

OTC Orthopaedic Technologist Certification 3