Quiz on Structure and Composition of Bone Tissue

Which cell type is responsible for maintaining the bone matrix?

• Osteocytes

• Osteoblasts

• Osteoclasts

• Chondrocytes

What is the primary function of osteoblasts?

• Facilitating nutrient exchange

• Forming new bone

• Maintaining the bone matrix

• Breaking down bone tissue

Which type of bone is dense and forms the outer layer of all bones?

• Cancellous bone

• Trabecular bone

• Spongy bone

• Compact bone

What is the main function of spongy bone?

• Withstanding stresses produced by weight and movement

• Reducing bone density and supporting red bone marrow

• Protecting internal structures

• Providing strength and support

What is the primary inorganic component of the bone matrix?

• Hydroxyapatite

• Phospholipids

• Calcium carbonate

• Collagen fibers

Which structure in compact bone contains a central canal surrounded by concentric layers?

• Trabeculae

• Lacunae

• Osteons

• Canaliculi

What is the role of osteoclasts in bone tissue?

• Breaking down bone tissue

• Facilitating nutrient exchange

• Maintaining the bone matrix

• Forming new bone

Which component of the bone matrix provides tensile strength and flexibility?

• Osteons

• Collagen fibers

• Calcium phosphate

• Hydroxyapatite

Why is vascularization important for bone tissue?

• It maintains the bone matrix

• It forms new bone

• It delivers nutrients and removes waste

• It provides tensile strength

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What condition can result from impaired blood flow to bone tissue?

• Osteonecrosis

• Osteoarthritis

• Osteomalacia

• Osteoporosis