MSC ORT FINAL (Knee Hip Trauma) EXAM
QUESTIONS WITH 100% CORRECT ANSWERS!!
What are the 3 bones of the knee joint? - -femur, tibia, patella,
-Range of Motion aimed for in a total knee replacement? - -125-135 degrees
of flexion
-abduction - -movement away from the midline
-what knee compartment is subjected to the more weight bearing? - -medial
-T/F: the mechanical axis of the femoral bone is represented by the line
down the center of the IM canal - -false
-argument for using CR knee implant? - -saves the pcl
-know the 3 knee joints - -medial tibiofemoral, lateral tibiofemoral,
patellafemoral
-most popular incision for knee replacement? - -parapatellar
-T/F: the 4in1 cutting block has pin holes so the block can be moved 2mm to
avoid notching - -True
-what is the advantage of patient specific cutting blocks? - -faster operation,
less instruments, more specific and precise
-name the risk factors of OA - -gender, weight, age, trauma
-T/F: the anatomical and mechanical axis are the same in the tibia - -true
-what is the ap sizing guide used for? - -size, set femoral rotation and can
reference anterior and posterior
-the hamstrings are the knees flexors or extensors? - -flexors
-what ligaments does the cruciate retaining implants retain? - -pcl, mcl, lcl
-primary components for a tkr - -patella, femoral implant, tibia tray, tibia
insert
-T/F: an argument in support of the PS knee is that you are able to keep the
pcl - -false
, -is bow legged varus or valgus? - -varus
-define the screw home mechanism - -knee rotation to lock knee
-knock knees varus or valgus? - -valgus
-T/F: for revision, modularity is essential - -true
-in regards to RA the rapidly forming cells that produce damaging enzymes
are called what - -pannus
-4 primary knee stabilizing ligaments - -acl, mcl, pcl, lcl
-T/F: the knee is a simple hinge joint - -false
-what ligament is always sacrificed in a tkr? - -acl
-during a tka the resection of the distal femoral knee is aligned by
referencing what axis? - -mechanical axis
-what is the extramedullary tibial cutting guide used for? - -tibial resection,
adjust for posterior slope, stylus can cut 2 or 10mm, adjust for varus and
valgus
-the femoral IM assembly is used to do what? - -resects the femur
-what is the most common method for fixating the femoral implant in a tka?
- -cement
-what is the most common method for fixating the tibia implant in a TKA? - -
cement
-T/F: the anato and fitmore stems are two examples of chili pepper stems - -
true
-T/F: surgeons pronounce abduction as AB-duction - -true
-most popular press fit stem design? - -tapered wedge
-what is the center pivot point in the hip? - -center of the femoral head
-surgeons commonly use ___________ width to determine where to cut
femoral neck - -1 finger
QUESTIONS WITH 100% CORRECT ANSWERS!!
What are the 3 bones of the knee joint? - -femur, tibia, patella,
-Range of Motion aimed for in a total knee replacement? - -125-135 degrees
of flexion
-abduction - -movement away from the midline
-what knee compartment is subjected to the more weight bearing? - -medial
-T/F: the mechanical axis of the femoral bone is represented by the line
down the center of the IM canal - -false
-argument for using CR knee implant? - -saves the pcl
-know the 3 knee joints - -medial tibiofemoral, lateral tibiofemoral,
patellafemoral
-most popular incision for knee replacement? - -parapatellar
-T/F: the 4in1 cutting block has pin holes so the block can be moved 2mm to
avoid notching - -True
-what is the advantage of patient specific cutting blocks? - -faster operation,
less instruments, more specific and precise
-name the risk factors of OA - -gender, weight, age, trauma
-T/F: the anatomical and mechanical axis are the same in the tibia - -true
-what is the ap sizing guide used for? - -size, set femoral rotation and can
reference anterior and posterior
-the hamstrings are the knees flexors or extensors? - -flexors
-what ligaments does the cruciate retaining implants retain? - -pcl, mcl, lcl
-primary components for a tkr - -patella, femoral implant, tibia tray, tibia
insert
-T/F: an argument in support of the PS knee is that you are able to keep the
pcl - -false
, -is bow legged varus or valgus? - -varus
-define the screw home mechanism - -knee rotation to lock knee
-knock knees varus or valgus? - -valgus
-T/F: for revision, modularity is essential - -true
-in regards to RA the rapidly forming cells that produce damaging enzymes
are called what - -pannus
-4 primary knee stabilizing ligaments - -acl, mcl, pcl, lcl
-T/F: the knee is a simple hinge joint - -false
-what ligament is always sacrificed in a tkr? - -acl
-during a tka the resection of the distal femoral knee is aligned by
referencing what axis? - -mechanical axis
-what is the extramedullary tibial cutting guide used for? - -tibial resection,
adjust for posterior slope, stylus can cut 2 or 10mm, adjust for varus and
valgus
-the femoral IM assembly is used to do what? - -resects the femur
-what is the most common method for fixating the femoral implant in a tka?
- -cement
-what is the most common method for fixating the tibia implant in a TKA? - -
cement
-T/F: the anato and fitmore stems are two examples of chili pepper stems - -
true
-T/F: surgeons pronounce abduction as AB-duction - -true
-most popular press fit stem design? - -tapered wedge
-what is the center pivot point in the hip? - -center of the femoral head
-surgeons commonly use ___________ width to determine where to cut
femoral neck - -1 finger