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ADA NBDE National Board Dental Part I

Category - NBDE

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Calcitonin decreases blood calcium and bone resorbing activity in which of the following?

osteoblast
osteoclast
osteocyte
osteon

Explanation

Answer: B - Calcitonin reduces the surface ruffling of osteoclasts and their activity. Osteoclasts are formed by fusion of blood monocyte derivatives and are components of the mononuclear phagocyte system.

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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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