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.
1 Osteoarthritis is a joint inflammation that results from cartilage degeneration. 2  Osteoarthritis can be caused by aging, heredity, and injury from trauma or disease. 3  The most common symptom of osteoarthritis is pain in the affected joint(s) after repetitive use. 4  There is no blood test for the diagnosis of osteoarthritis.