Understanding Cartilage and Repair Options

What was the initial cause of the narrator's knee injury?

• Running a marathon

• Playing soccer

• Cycling

• Doing gymnastics

Why does cartilage have a poor healing potential?

• Cartilage cells can easily migrate

• It has a rich blood supply

• It has poor blood supply and limited cell migration

• It regenerates quickly

What is the purpose of microfracture surgery in cartilage repair?

• To inject stem cells directly

• To replace the knee joint

• To stimulate bone marrow to form new cartilage

• To remove the entire cartilage

What is ACI in the context of cartilage repair?

• A type of knee replacement surgery

• A technique to grow and implant lab-cultured cartilage cells

• A method to remove damaged cartilage

• A method to inject donor cartilage

What is the advantage of using juvenile donor cartilage in repair?

• It requires longer rehabilitation

• It has better healing potential

• It is more expensive

• It is less biologically active