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Questions and Answers
What is the function of the medullary canal in bones?
What is the function of the medullary canal in bones?
- It provides structural support for the bone
- It stores excess calcium for bone remodeling
- It secretes hormones for bone growth
- It contains the bone marrow, the site of blood cell production (correct)
What is the role of osteoclasts in bone remodeling?
What is the role of osteoclasts in bone remodeling?
- They store excess calcium for bone repair
- They resorb bone by secreting enzymes and dissolving hydroxyapatite (correct)
- They release growth factors to stimulate bone growth
- They produce collagen to fill in lacunae created by osteoblasts
What is the function of RANKL in bone remodeling?
What is the function of RANKL in bone remodeling?
- It stimulates the formation and activation of osteoclasts (correct)
- It promotes the deposition of hydroxyapatite
- It triggers the release of parathyroid hormone
- It inhibits the activity of osteoblasts
How does mechanical stress affect bone remodeling?
How does mechanical stress affect bone remodeling?
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What is the function of parathyroid hormone in bone remodeling?
What is the function of parathyroid hormone in bone remodeling?
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