Sam, an older man, has been diagnosed with osteoporosis, and his blood calcium levels are above normal. The pathologiste found cancer cells that were oversecreting ________ causing Sam's symptoms.
A. thyroid hormone
B. vitamin D
C. parathyroid hormone
D. growth hormone
E. calcitonin
Answer: C
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The largest human cell is about how much larger than the smallest human cell?
a. about 20 times larger b. about 10 times larger c. about 5 times larger d. about twice as large
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The stem cells of osteoblasts and chondroblasts are ________.
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