All of the following statements are true about the pathogenesis of osteoarthritis (OA) EXCEPT:
A. It is simply a “wear and tear” process.
B. Risk factors include aging, joint injury, obesity, and genetics.
C. X-rays may be normal despite significant pain from OA early in the process.
D. Current treatments for OA are directed to controlling pain, and none have been proven to alter the progression of the disease.
Select your answer:
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Visual Impairment › ViewIt is recommended that children with nistagmus are:
A. allowed to adopt the position needed to find the point where they can fix their gaze, even if they curve their back in extreme
B. corrected in their posture in a way that they maintain enough distance to perceive the stimuli but with some effort, and in a frontal direction, so the two eyes can work equally
C. corrected in their posture in a way that they can get closer to the visual stimuli but without curving their back
The Nervous System › View
Which part of the nervous system carries communication signals around the body?
A. Brain
B. Nerves
C. Spinal cord
D. Blood vessels