Exam Questions with verified Answers ( 100% Correct
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Released!! MSC ORT FINAL (Knee Hip Trauma)
surgeons commonly use ___________ width to determine
where to cut femoral
neck - ANSWER-1
finger
when placing the acetabular shell in the pelvis what are the
degrees of abduction and anteversion a surgeon should aim
for? - ANSWER-abduction:
40-45
anteversion: 20-25
know the ligaments of the hip capsule - ANSWER-iliofemoral,
ischiofemoral,
pubofemoral
4 steps of bone repair - ANSWER-- (1) clot formation
-(2) inflammation
-(3) tissue regeneration
-(4) tissue remodeling
,How long does it take for a long bone to completely
remodel? - ANSWER--
about 7
years
normal hip motion in regards to flexion, extension, and
abduction – ANSWER-flexion-120 extension-20
abduction-45
in a coxa normal hip, the femoral head is in line with what -
ANSWER-tip of the
greater
trochanter
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
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