Bones Review

What structure does "A" represent?

• central Haversian canal

• osteon

• osteocyte

• canaliculi

What structure does "C" represent?

• central Haversian canal

• osteon

• osteocyte

• canaliculi

What structure does "D" represent?

• central Haversian canal

• osteon

• osteocyte

• canaliculi

Which of the following is the second step in ossification?

• osteoblasts form spongy bone

• the matrix around the chondrocytes calcifies and hardens

• chondrocytes divide rapidly and form tiny columns of cells

• osteoclasts enlarge the bone cavity

Which of the following is the third step in ossification?

• osteoblasts form spongy bone

• the matrix around the chondrocytes calcifies and hardens

• chondrocytes divide rapidly and form tiny columns of cells

• osteoclasts enlarge the bone cavity

When a bone is broken, a large mass of blood forms that is called a(n)

• osteocyte

• hematoma

• osteoclast

• callus

What is the function of hydroxyapatite?

• to provide flexibility and keep bones from constantly breaking

• to form new osteocytes when a bone is broken

• to provide bone strength and hardness

• to reduce the amount of calcium in the blood

Which of the following structures is found in your axial skeleton?

• phalanges

• humerus

• patella

• vertebrae

Which of the following is an example of a sesamoid bone?

• phalanges

• humerus

• patella

• vertebrae

What is the name given to the long, middle section of a long bone?

• diaphysis

• epiphyses

• epiphyseal plate

• periosteum