Question

part b: read the case study. you will use this case study to answer questions 1 - 5:
john, a 75 - year - old man, was diagnosed with osteoarthritis in his knee five years ago. recently, his condition worsened, and so he decided to see a doctor. johns doctor ordered a radiograph imaging in order to visualize his knee joint.
what is osteoarthritis?
a condition in which the joint space deteriorates due to wear and tear on the joint.
a condition in which the joint space deteriorates due to pannus formation in the joint.
a condition in which the joint space deteriorates due to deposition of uric acid into the joint.
a condition in which an autoimmune process causes joint deterioration and pain.

Explanation:

Osteoarthritis is a degenerative joint disease. It occurs due to wear - and - tear of the joint. Pannus formation is associated with rheumatoid arthritis (an autoimmune disease). Deposition of uric acid causes gout. The option about an autoimmune process is also related to rheumatoid arthritis.

Answer:

A. A condition in which the joint space deteriorates due to wear and tear on the joint.