Osteoarthritis Video Lesson

True or False: Inflammation does play a role in osteoarthritis.

• True
• False

What does the prefix "osteo" mean?

• bone

• inflammation

• joint

• disease

What is the function of articular cartilage?

• To cushion the ends of the bones and facilitate smooth joint movement.

• To link bones to other bones.

• To connect muscles to bones.
• To protect the joint from infection and provide nutrients to the bone.

What is the function of synovial fluid?

• To provide nutrients to the bones.

• To connect or link the bones together to form the joint.

• To store energy as fat for muscles to use at a later time.

• To lubricate joints and reduce friction between bones.

Why is the loss of articular cartilage in the joint cavity such a serious problem?

Which types of cells produce and maintain the cartilaginous tissue of various joints?

• Chondrocytes
• Adipocytes
• Osteoblasts

• Osteocytes

How do chondrocytes maintain articular cartilage?

What are the common risk factors for developing osteoarthritis? (Check All That Apply

• Age

• Joint injury and inflammation

• Mechanical stress and obesity

• Genetics

Imagine the sensations or feelings a person with osteoarthritis might experience in their joints after the loss of articular cartilage has taken place. What do you imagine that might feel like? Explain your reasoning.

Identify just one difference between osteoarthritis and rheumatoid arthritis.