Questions and CORRECT Answers
Revision Knee Surgery AKA Revision total knee arthroplasty - CORRECT ANSWER -
Removal of previously implanted artificial knee joint and replaces it with a new prosthesis
Is modularity important in total knee replacement? - CORRECT ANSWER - Yes
X-Ray - CORRECT ANSWER - form of electromagnetic radiation with very high
frequency and energy. Lies between ultraviolet radiation and gamma radiation on the
electromagnetic spectrum.
How long do you mix bone cement? - CORRECT ANSWER - 1-2 minutes
How long is the workable set up time for bone cement? - CORRECT ANSWER - 10-12
minutes
When is the red clock started to time the bone cement mixing? - CORRECT ANSWER -
When the scrub tech starts to mix the bone cement
What does PSI stand for? - CORRECT ANSWER - Patient specific instruments
What is the order of how bone cement is placed? - CORRECT ANSWER - Tibia--->
Femur---> Patella
The Knee is a mechanism made up of 3 ___________ and 3 ___________ - CORRECT
ANSWER - Bones, Joints
Another name for the functional axis... - CORRECT ANSWER - Joint line
, What is the mechanical axis? - CORRECT ANSWER - Axis of weight bearing in the
lower limb
What is the Q-angle? - CORRECT ANSWER - Line between the center of the patella and
the tibial tubercle
Normal Q-angle for males - CORRECT ANSWER - 13 degrees
Normal Q-angle for females - CORRECT ANSWER - 18 degrees
Passive motion - CORRECT ANSWER - Generally constrained by ligaments
Active motion - CORRECT ANSWER - Also constrained by ligaments but mainly driven
by the muscles
Number 1 material used for femoral knee components... - CORRECT ANSWER - Cobalt
chrome
What year did FDA approve bone cement? - CORRECT ANSWER - 1971
What was considered a "game changer" for surgery? - CORRECT ANSWER - Anesthesia
What year and hospital was Anesthesia first used in surgery? - CORRECT ANSWER -
1846, Mass General
Who is John Charnley? - CORRECT ANSWER - First to use PMMA as a fixation
medium for prosthesis and high density polyethylene