A&P Do Now 11/7

What is the process called in which bone tissue is continually being built, broken down, and rebuilt?

• Osteoclasts

• Osteoblasts

• Bone remodeling

• Hydroxy appetite

Which cells are responsible for breaking down and resorbing bone tissue?

• Osteoclasts

• Osteoblasts

• Monocytes

• Osteocytes

Where do osteoclasts originate from?

• Blood vessels

• Bone marrow

• Collagen scaffold

• Hydroxy appetite

What role do osteoclasts play in bone remodeling?

• Building new bone tissue

• Producing collagen

• Liberating minerals from the bone matrix

• Crystallizing hydroxy appetite

What is the major inorganic constituent of bone?

• Calcium phosphate

• Collagen

• Growth factors

• Osteoid

What can bone mineral density (BMD) be used to estimate?

• Risk of fracture

• Strength of bone

• Calcium reservoir

• All of the above

What do osteoblasts differentiate into once they become embedded within the bone matrix?

• Osteoclasts

• Osteocytes

• Monocytes

• Blood vessels

What is the primary function of osteocytes in bone tissue?

• Production of bone matrix

• Resorption of bone tissue

• Maintenance of bone tissue

• Production of red blood cells

What is the primary organic component of bone?

• Calcium phosphate

• Collagen

• Hydroxyapatite

• Osteoid

A mature bone cell is called

• Osteocyte

• Osteoblast

• Osteoclast

• Osteon