Bone Fracture

If a fracture is comminuted, that means the bone is in _______ pieces.

• Multiple

• One

What type of fracture DOESN'T penetrate through the skin?

• Open

• Closed

• Comminuted

• Oblique

What cells are responsible for cleaning up pieces of bone following a bone fracture?

Which of the following is NOT true of a hematoma?

• Forms within 6-8 hours of a fracture

• It is the predecessor (comes before) the procallus

• It is made of coagulated (gelled) blood

• Forms after a hard callus is present

Which is NOT true of a fibrocallus?

• Formed by Fibroblasts

• Formed after the procallus

• Is made of collagen

• Is made of cartilage

Which is true of a fibrocartilaginous callus?

• Made of osteons

• Made by osteoblasts

• Made of collagen and cartilage

• Forms before the fibrocallus

Which of the following is NOT true of the hard callus?

• The last callus to form in bone repair

• Is constructed by osteoblasts

• Is made directly after the procallus

• Is made of bone tissue

Which is the correct order of callus formation in bone repair?

• Fibrocallus, Hard Callus, Fibrocartilaginous Calllus, Procallus

• Procallus, Fibrocallus, Fibrocartilaginous Callus, Hard Callus

• Hard Callus, Fibrocallus, Fibrocartilaginous Callus, Procallus

• Procallus, Fibrocartilaginous callus, Fibrocallus, Hard Callus

What cells are responsible for constructing a hard callus?

What cells are responsible for constructing the cartilage in a fibrocartilaginous callus?