Bone Fractures

Question 1

Compound fracture

Answer 1

Broken ends of bone protrude through soft tissue and skin.

Question 2

Comminuted fracture

Answer 2

Bone breaks into fragments.

Question 3

Compression fracture

Answer 3

Bone is crushed.

Question 4

Depressed fracture

Answer 4

Broken bone is pressed inwards. Ex. Skull.

Question 5

Impacted fracture

Answer 5

Broken bone ends are forced into each other.

Question 6

Spiral fracture

Answer 6

Ragged break when excessive twisting force is applied.

Question 7

Greenstick

Answer 7

Bone breaks incompletely, much like a green twig would break.

Question 8

What are the 4 events of bone fracture repair?

Answer 8

1. Hematoma is formed.
2. Break is splinted by a Fibrocartilage callus - closing the gap.
3. A bony callus is formed.
4. Bony callus is remodelled to form a strong permanent patch of compound bone.

Question 9

Simple fracture

Answer 9

Bone breaks clean but does not penetrate the skin.