Types of bone fractures/repair

Question 1

What is a open fracture?

Answer 1

Broken ends of bone protrude skin

Question 2

What is a comminuted fracture?

Answer 2

bone at the site of fracture broken into multiple parts

Question 3

What is a greenstick fracture?

Answer 3

Partial fracture on one side of the bone

Question 4

What is an impacted fracture?

Answer 4

one end of bone is broken by another end being forcefully driven into it

Question 5

What adverse affects can occur from an epiphyseal plate fracture?

Answer 5

May affect the ability for chondrocytes to undergo cell division, impacting the growth of the bone

May affect the closer of the epiphyseal plate

Question 6

Explain the four steps of fracture repair

Answer 6

1. Blood hematoma forms around fracture
2. Fibrocartilaginous callus forms bridging broken bone ends

3.Osteoblasts produce trabeculae

4. Compact bone replaces spongy bone, osteoblast and osteocytes undertake bone remodeling to return bone to original shape