Final ACTUAL Questions and Correct
Answers
What is needed to fix a fracture? - cables & plates
Where do cables go? - around the bone
What does a ceramic & cobalt chrome head look like? - ceramic looks white & cobalt chrome is
grey
For knee patients post-surgery we want what degree of flexion? - 125-135 degrees of flexion
For humerus, neck angle is 125-140 for most humans but most companies put implant at the
angle of? - 135
Why would a doctor use a ring fixator? - Fix deformity & adjust leg length
Two most common metals for trauma? - Titanium & stainless steel
We use k-wires for fractures.. do they do damage to periosteum? - No
Outer sheet that wraps around bone (It's vascular) - Periosteum
Does IM Nail have rotational control when putting it in vs plate/screw? - No you can't control
rotation
Normal neck angle for a hip? - 125-135
, T/F: If doing THA you can't use zimmer head and stryker stem - True
What fracture uses nails? - Midshaft are where most nails are used
Knee Implants are called what? - Femoral component, tibia component... cobalt chrome femur,
titanium tibia?
Hip Implants are called? - Shells, liners, heads, & stems
T/F: Cement most knees - True
T/F: Press fit hips - True
T/F: Shoulders can be cemented and press fit - True
Nickname for center of femoral head? - Pivot Point
3 ways of press fitting components? - Plasma Spray 2D titanium, HA coating, 3D titanium
Most popular total hip approach? - Posterior
Approach that is popular is? - anterior
T/F: Bed is hana table and we use chili pepper stem - True
If doing total knee, we cut femur along mechanical - True, but its same on tibia
What are reasons why total hip might fail? - Dislocation, loosening, infection, fracture