Your 80-year-old aunt lives in an independent-living retirement center. She still has a very sharp memory. All of the following probably apply to her EXCEPT that she
A) has exercised regularly over the years.
B) remains physically active even now.
C) has never exercised and prefers to spend all of her time alone.
D) keeps her mind active by reading and playing the piano.
Question 2
A joint condition that is characterized by the breakdown of cartilage is
A) osteonecrosis.
B) rheumatoid arthritis.
C) osteoporosis.
D) osteoarthritis.
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