Postal Exam 473 / 473E. Study Guide: Yes! This is the biggie â¦ the most popular Postal exam â¦ the one used to fill all over 90% of all Postal jobs, all entry-level Processing, Distribution, Delivery, and Retail positions. Listed below are the actual jobs filled from this exam: 1  PSE Sales, Service, and Distribution Associate.
Osteoarthritis, also known as degenerative arthritis degenerative joint disease, OA, or osteoarthrosis, is a form of arthritis caused by inflammation, breakdown, and the eventual loss of cartilage in the joints-the cartilage wears down over time.
Doctor's Response: Osteoarthritis is a type of arthritis that is caused by breakdown of cartilage with eventual loss of the cartilage of the joints. Cartilage is a protein substance that serves as a cushion between the bones of the joints. Osteoarthritis is also known as degenerative arthritis.