Osteoarthritis Flashcards
OA is a part of normal aging (T/F)
FALSE
Like in RA, the synovial membrane is the primary site of the problem in OA (T/F).
FALSE
OA (is/is not) a “wear and tear” arthritis
NOT
OA is a ____ ____ disease
whole joint
4 structures involved in OA?
- cartilage
- synovial membrane
- ligaments
- bone
The body tries to heal the joint by laying down new bony structures, resulting in ______.
osteophytes
When does loss of function occur (usually) in OA?
End stage
There is low grade ______ in the area of joints with OA.
inflammation
Inflammatory _______ and abnormal biomechanics forces can damage cartilage.
enzymes
7 risk factors for OA?
- age
- sex
- genetic
- obesity
- physical inactivity
- injury
- joint stress
What is the typical age of onset ?
55-60
OA affects more (men/women)
women
It is difficult to determine the prevalence of ___ ____ OA.
low back
The prevalence of types of OA is different in different ethnicities (T/F).
TRUE
There is _____ bone turnover and localized density in normal aging.
decreased
There is _____ water in cartilage in normal aging.
decreased
There is _______ at WB sites and it is not progressive across the joint line in normal aging.
fibrillation
In normal aging, the joint has ______ metabolism and no _______.
normal; inflammation
There is a decreased in lean mm mass (type __ fibres) in normal aging.
II
There is _____ bone turnover and localized density in OA.
increased
There is ______ water in cartilage in OA.
increased
In OA there is _____ present, both focal and progressive.
fibrillation
There is ______ metabolism and _______ enzymes in OA.
increased; inflammatory
There is a decrease in lean muscle mass (type __ fibres) in OA.
I
Knee OA is mostly _____.
bilateral
Is tibia-femoral or patella-femoral OA more common?
tibio-femoral