MSC ORT Trauma Week 5 Exam Questions
with 100% Correct Verified Detailed
Answers latest update 2025
What is the difference between a cortical and cancellous screw? ---
correct answer ---Cortical Screw
○ Cortical bone is harder
○ Finer (smaller) thread pitch
○ Smaller thread height
Cancellous Screw
○ Cancellous bone is softer
○ Courser (bigger) thread pitch
○ Bigger thread height
What are the functions of a screw? --- correct answer ---turn a
rotational force to a lateral movement
ORIF (Lister) --- correct answer ---Open Reduction Internal Fixation
, Screws redirect __________ (turning) force into ___________ (back
and forth) motion --- correct answer ---rotational
lateral
2005 survey of American Academy of Ortho Surgeons, ranked the
development of ______ _______ one of the most significant
advancements in treatment during the 20th century. --- correct
answer ---internal fixation
The major diameter of a screw is the: --- correct answer ---widest
part
diameter of a screw defines: --- correct answer ---the size
thread pitch is the difference between: --- correct answer ---each
thread
what are revolutions of a screw? --- correct answer ---how many full
360 turns each individual screw takes to be seated
thread height is the difference in: --- correct answer ---major and
minor diameter
with 100% Correct Verified Detailed
Answers latest update 2025
What is the difference between a cortical and cancellous screw? ---
correct answer ---Cortical Screw
○ Cortical bone is harder
○ Finer (smaller) thread pitch
○ Smaller thread height
Cancellous Screw
○ Cancellous bone is softer
○ Courser (bigger) thread pitch
○ Bigger thread height
What are the functions of a screw? --- correct answer ---turn a
rotational force to a lateral movement
ORIF (Lister) --- correct answer ---Open Reduction Internal Fixation
, Screws redirect __________ (turning) force into ___________ (back
and forth) motion --- correct answer ---rotational
lateral
2005 survey of American Academy of Ortho Surgeons, ranked the
development of ______ _______ one of the most significant
advancements in treatment during the 20th century. --- correct
answer ---internal fixation
The major diameter of a screw is the: --- correct answer ---widest
part
diameter of a screw defines: --- correct answer ---the size
thread pitch is the difference between: --- correct answer ---each
thread
what are revolutions of a screw? --- correct answer ---how many full
360 turns each individual screw takes to be seated
thread height is the difference in: --- correct answer ---major and
minor diameter
