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Composition and Functions of Bone Matrix Quiz

#1

What is the main component of bone matrix?

Collagen fibers
Explanation

Collagen fibers provide structural integrity to bone matrix.

#2

What is the function of osteoblasts?

Bone formation
Explanation

Osteoblasts are responsible for synthesizing and depositing new bone tissue.

#3

What is the function of osteoclasts?

Bone resorption
Explanation

Osteoclasts break down bone tissue during resorption, releasing minerals into the bloodstream.

#4

Which cell type is responsible for bone formation?

Osteoblasts
Explanation

Osteoblasts are responsible for synthesizing new bone tissue during bone formation.

#5

Which cell type is responsible for bone resorption?

Osteoclasts
Explanation

Osteoclasts break down bone tissue during resorption.

#6

What is the function of osteocytes?

Maintain bone matrix
Explanation

Osteocytes help regulate mineral concentration and maintain bone tissue.

#7

Which hormone stimulates osteoclast activity?

Parathyroid hormone
Explanation

Parathyroid hormone increases osteoclast activity to release calcium into the bloodstream.

#8

Which vitamin is essential for the absorption of calcium in the intestine?

Vitamin D
Explanation

Vitamin D enhances calcium absorption in the intestine, promoting bone health.

#9

What is the function of the canaliculi in bone tissue?

Exchange nutrients and waste
Explanation

Canaliculi facilitate the exchange of nutrients and waste between osteocytes and blood vessels.

#10

What is the function of the Haversian canal in compact bone?

Transport blood vessels
Explanation

Haversian canals in compact bone house blood vessels, providing nutrients and oxygen to bone cells.

#11

What is the function of the Volkmann's canals in compact bone?

Connect osteons
Explanation

Volkmann's canals in compact bone connect blood vessels and nerves between adjacent osteons.

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