The following are examples of types of financial analysts: Portfolio managers select the mix of products, industries, and regions for their companyâs investment portfolio. These managers are responsible for the overall performance of the portfolio.
Rheumatoid factor (RF) facts. 1  Rheumatoid factor is an antibody that is detectable in the blood of approximately 80% of adults with rheumatoid arthritis.2  Sometimes rheumatoid factor can be detected in the blood of normal individuals and of those with other autoimmune diseases that are not rheumatoid arthritis.heumatoid factor (RF) facts. 1  Rheumatoid factor is an antibody that is detectable in the blood of approximately 80% of adults with rheumatoid arthritis.
When to Test for Rheumatoid Arthritis. The rheumatoid factor test is used to diagnose rheumatoid arthritis or Sjogren's Syndrome, and help distinguish those conditions from other forms of arthritis or other conditions that mimic or have very similar symptomatology to rheumatoid arthritis.heumatoid Factor is Made of Antibodies. If you see your primary care doctor, he or she may elect to do a blood test where they test for antibodies that are called rheumatoid factor. When rheumatoid factor is present in your bloodstream, it's a good indicator that you may be suffering from rheumatoid arthritis.