Intro to Orthopedics Exam Questions with Verified
100% Correct Answers | Guaranteed A+
Osteoconduction - ✔✔Bone graft material provides scaffold for new bone growth
(osteoblast formation)
Osteoinduction - ✔✔Stimulates osteoprogenitor cells to differentiate into
osteoblasts (to make new bone) eg = BMP
Osteogenesis - ✔✔living bone cells contribute to new bone growth (eg = autografts)
Contraindications to hematoma block - ✔✔contaminated area or open fracture
pediatric patients
Indications for Open Reduction Internal Fixation (ORIF) - ✔✔1. Unable to obtain
adequate reduction
2. Displaced intra-articular fractures
3. Major avulsion with loss of function
4. Non-unions
5 Pathologic fractures
Kirschnew Wires - ✔✔Stainless steel pins that provide bony fixation or anchor for
skeletal traction
Indications for Kirschner Wires - ✔✔1. Temporary fixation peri-operatively
2 Intramedullary device to bridge a fx of small bone
3. Under tension where bone fragments are transfixed
, Cerclage Wires - ✔✔Allow for compression of fracture pieces
Tension bands - ✔✔Used as a lever to immobilize a fracture, reduce bony fragments
,and use pins as a fulcrum to wrap wire around
Potential complications of pins and wires (external fixation) - ✔✔1. *Infection*
2. Migration
3. Loss of Reduction
4. Wires can break
Cortical screws - ✔✔Designed to anchor in cortical bone (shaft of long bones)
Cannulated screws - ✔✔Hollow shaft on the inside; can be placed over K-wire or pin
Cancellous screws - ✔✔smooth unthreaded portion designed to anchor in softer
medullary bone (ends of softer bone)
What hardware has replaced treatment with traction or plaster immobilization? -
✔✔Intramedullary Rods or IM Nails
Indications for external fixators - ✔✔1. Cant do internal fixation
2 Limb lengthening
3. Temporary stabilization (pelvic fx)
4. correction of angular deformities
100% Correct Answers | Guaranteed A+
Osteoconduction - ✔✔Bone graft material provides scaffold for new bone growth
(osteoblast formation)
Osteoinduction - ✔✔Stimulates osteoprogenitor cells to differentiate into
osteoblasts (to make new bone) eg = BMP
Osteogenesis - ✔✔living bone cells contribute to new bone growth (eg = autografts)
Contraindications to hematoma block - ✔✔contaminated area or open fracture
pediatric patients
Indications for Open Reduction Internal Fixation (ORIF) - ✔✔1. Unable to obtain
adequate reduction
2. Displaced intra-articular fractures
3. Major avulsion with loss of function
4. Non-unions
5 Pathologic fractures
Kirschnew Wires - ✔✔Stainless steel pins that provide bony fixation or anchor for
skeletal traction
Indications for Kirschner Wires - ✔✔1. Temporary fixation peri-operatively
2 Intramedullary device to bridge a fx of small bone
3. Under tension where bone fragments are transfixed
, Cerclage Wires - ✔✔Allow for compression of fracture pieces
Tension bands - ✔✔Used as a lever to immobilize a fracture, reduce bony fragments
,and use pins as a fulcrum to wrap wire around
Potential complications of pins and wires (external fixation) - ✔✔1. *Infection*
2. Migration
3. Loss of Reduction
4. Wires can break
Cortical screws - ✔✔Designed to anchor in cortical bone (shaft of long bones)
Cannulated screws - ✔✔Hollow shaft on the inside; can be placed over K-wire or pin
Cancellous screws - ✔✔smooth unthreaded portion designed to anchor in softer
medullary bone (ends of softer bone)
What hardware has replaced treatment with traction or plaster immobilization? -
✔✔Intramedullary Rods or IM Nails
Indications for external fixators - ✔✔1. Cant do internal fixation
2 Limb lengthening
3. Temporary stabilization (pelvic fx)
4. correction of angular deformities
