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.
Secondary osteoarthritis is a form of osteoarthritis that is caused by another disease or condition. Conditions that can lead to secondary osteoarthritis include obesity, repeated trauma or surgery to the joint structures, abnormal joints at birth (congenital abnormalities), gout, diabetes, and other hormone disorders. 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.