1
MSC ORT FINAL NEWEST ACTUAL 2025/2026 EXAM
WITH COMPLETE QUESTIONS AND
ANSWERS.VERIFED/GRADED A
What are the 3 bones of the knee joint? - (ANSWER)femur, tibia, patella,
Range of Motion aimed for in a total knee replacement? - (ANSWER)125-135
degrees of flexion
abduction - (ANSWER)movement away from the midline
what knee compartment is subjected to the more weight bearing? -
(ANSWER)medial
T/F: the mechanical axis of the femoral bone is represented by the line down the
center of the IM canal - (ANSWER)false
argument for using CR knee implant? - (ANSWER)saves the pcl
know the 3 knee joints - (ANSWER)medial tibiofemoral, lateral tibiofemoral,
patellafemoral
most popular incision for knee replacement? - (ANSWER)parapatellar
, 2
T/F: the 4in1 cutting block has pin holes so the block can be moved 2mm to avoid
notching - (ANSWER)True
what is the advantage of patient specific cutting blocks? - (ANSWER)faster
operation, less instruments, more specific and precise
name the risk factors of OA - (ANSWER)gender, weight, age, trauma
T/F: the anatomical and mechanical axis are the same in the tibia - (ANSWER)true
what is the ap sizing guide used for? - (ANSWER)size, set femoral rotation and
can reference anterior and posterior
the hamstrings are the knees flexors or extensors? - (ANSWER)flexors
what ligaments does the cruciate retaining implants retain? - (ANSWER)pcl, mcl,
lcl
primary components for a tkr - (ANSWER)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 -
(ANSWER)false
, 3
is bow legged varus or valgus? - (ANSWER)varus
define the screw home mechanism - (ANSWER)knee rotation to lock knee
knock knees varus or valgus? - (ANSWER)valgus
T/F: for revision, modularity is essential - (ANSWER)true
in regards to RA the rapidly forming cells that produce damaging enzymes are
called what - (ANSWER)pannus
4 primary knee stabilizing ligaments - (ANSWER)acl, mcl, pcl, lcl
T/F: the knee is a simple hinge joint - (ANSWER)false
what ligament is always sacrificed in a tkr? - (ANSWER)acl
during a tka the resection of the distal femoral knee is aligned by referencing
what axis? - (ANSWER)mechanical axis
what is the extramedullary tibial cutting guide used for? - (ANSWER)tibial
resection, adjust for posterior slope, stylus can cut 2 or 10mm, adjust for varus
and valgus
MSC ORT FINAL NEWEST ACTUAL 2025/2026 EXAM
WITH COMPLETE QUESTIONS AND
ANSWERS.VERIFED/GRADED A
What are the 3 bones of the knee joint? - (ANSWER)femur, tibia, patella,
Range of Motion aimed for in a total knee replacement? - (ANSWER)125-135
degrees of flexion
abduction - (ANSWER)movement away from the midline
what knee compartment is subjected to the more weight bearing? -
(ANSWER)medial
T/F: the mechanical axis of the femoral bone is represented by the line down the
center of the IM canal - (ANSWER)false
argument for using CR knee implant? - (ANSWER)saves the pcl
know the 3 knee joints - (ANSWER)medial tibiofemoral, lateral tibiofemoral,
patellafemoral
most popular incision for knee replacement? - (ANSWER)parapatellar
, 2
T/F: the 4in1 cutting block has pin holes so the block can be moved 2mm to avoid
notching - (ANSWER)True
what is the advantage of patient specific cutting blocks? - (ANSWER)faster
operation, less instruments, more specific and precise
name the risk factors of OA - (ANSWER)gender, weight, age, trauma
T/F: the anatomical and mechanical axis are the same in the tibia - (ANSWER)true
what is the ap sizing guide used for? - (ANSWER)size, set femoral rotation and
can reference anterior and posterior
the hamstrings are the knees flexors or extensors? - (ANSWER)flexors
what ligaments does the cruciate retaining implants retain? - (ANSWER)pcl, mcl,
lcl
primary components for a tkr - (ANSWER)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 -
(ANSWER)false
, 3
is bow legged varus or valgus? - (ANSWER)varus
define the screw home mechanism - (ANSWER)knee rotation to lock knee
knock knees varus or valgus? - (ANSWER)valgus
T/F: for revision, modularity is essential - (ANSWER)true
in regards to RA the rapidly forming cells that produce damaging enzymes are
called what - (ANSWER)pannus
4 primary knee stabilizing ligaments - (ANSWER)acl, mcl, pcl, lcl
T/F: the knee is a simple hinge joint - (ANSWER)false
what ligament is always sacrificed in a tkr? - (ANSWER)acl
during a tka the resection of the distal femoral knee is aligned by referencing
what axis? - (ANSWER)mechanical axis
what is the extramedullary tibial cutting guide used for? - (ANSWER)tibial
resection, adjust for posterior slope, stylus can cut 2 or 10mm, adjust for varus
and valgus
