Bone Structure and Composition Quiz

What is the primary component of the bone matrix?

• Glycoprotein

• Osteocytes

• Calcium phosphate

• Collagen

Which of the following is NOT a component of bone?

• Periosteum

• Cartilage

• Bone cells

• Bone matrix

What percentage of the dry weight of bone is made up of inorganic materials?

• 25%

• 50%

• 75%

• 90%

Which mineral is primarily found in the inorganic materials of bone?

• Potassium

• Sodium

• Calcium phosphate

• Magnesium

What happens to bone when it undergoes decalcification?

• It becomes more rigid

• It becomes flexible like a tendon

• It becomes denser

• It becomes heavier

What is the main organic material found in bone?

• Calcium

• Sulphated GAG

• Collagen

• Glycoprotein

What is the function of osteoclasts?

• Bone growth

• Bone resorption

• Bone maintenance

• Bone formation

Which of the following statements about bone cells is true?

• Osteocytes survive in the calcified matrix

• Osteogenic cells are not involved in bone formation

• Osteoblasts can divide

• Bone cells grow by interstitial growth

What is the periosteum?

• A type of cartilage

• A layer surrounding the bone

• A type of bone cell

• A mineral found in bone

What is the role of the endosteum?

• To form new bone

• To protect the bone from injury

• To provide nutrients to bone cells

• To line the inner surface of the bone