10 Questions
What is the main function of bone in the body?
To support soft tissue and muscle attachment
Which component makes up the majority of bone's organic matrix?
Collagen
How does bone contribute to maintaining calcium and phosphate levels in the body?
By storing calcium and phosphate within the bone
Which type of bone supports hematopoiesis (blood cell formation)?
Spongy bone
What is the primary function of spongy (cancellous) bone?
To allow for blood cell formation
What is the primary composition of cancellous bone?
Forms an irregular lattice network with bony spicules
Which type of bone is heavier, tougher, and compact in nature?
Compact bone (cortical bone)
What is the primary function of the Haversian Canal in an osteon?
Contains blood vessels, nerves, and lymphatics
What is the role of interstitial lamellae in compact bone structure?
Contain mineralized bone layers between Haversian Systems
How does calcium metabolism regulate plasma bone remodeling in adults?
By slowly resorbing calcium from the bones into the blood
Test your knowledge on the functions of bone, structural differences between spongy and compact bone, hormonal regulation of bone calcium, physiological changes in bone with age, regulation of bone remodeling, and markers for bone formation and resorption.
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