Bottom Line. Once you get past Webroot SecureAnywhere AntiVirus's installer, the software itself is very good. Combined with the great added features, it becomes a nice, all-in-one protection suite. Editors' note: This is a review of the trial version of Webroot SecureAnywhere AntiVirus 2015.
Radioactive iodine uptake testing is a useful diagnostic tool for assessing thyroid pathologies. The atom is the smallest unit of an element. An atom consists of electrons, protons and neutrons. Electrons revolve around the nucleus (made of protons and neutrons) in fixed orbits. The number of electrons equals number of protons in a neutral atom.
Rheumatoid Factor (RF). Guide. A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in the blood. Normally, antibodies are produced by the immune system to help destroy and eliminate invading bacteria and viruses that can cause disease. But the RF antibody can attach to normal body tissue, resulting in damage. A high level of rheumatoid factor can be caused by several autoimmune diseases (including rheumatoid arthritis) and some infections. Occasionally an elevated level of RF is present in healthy people. The amount of rheumatoid factor in blood can be measured in two ways: 1  Agglutination tests. 2  One test method mixes blood with tiny rubber (latex) beads that are covered with human antibodies.