Final answer:
A compound fracture, also known as an open fracture, is a medical emergency where the broken bone is exposed through the skin.
Step-by-step explanation:
A compound fracture, also known as an open fracture, is a type of bone fracture where the broken bone is exposed through the skin. It is considered a medical emergency that requires immediate attention. The bone fragment can pierce through the skin due to an accident, injury, or trauma, causing damage to the surrounding tissues and increasing the risk of infection.
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