A: Economic self-interest refers to the financial theory that says people should make economic decisions based upon the best outcome for themselves. Self-interest is defined as a way of promoting activities and beliefs that serve to benefit the person making the decision over any other parties involved.
Updated June 20, 2016. A red blood cell (RBC) count is a type of blood test that can provide information about how many red blood cells are in a person's blood. Knowing why your doctor ordered an RBC count and what the results of your RBC count mean is important in understanding how it relates to your health. The RBC count test might sometimes be done as one piece of a more comprehensive blood test, which is called a complete blood cell (CBC) count.
A WBC count is a test that measures the number of white blood cells in your body. This test is often included with a complete blood count (CBC). Your blood contains a percentage of each type of white blood cell.Sometimes, however, your white blood cell count can fall or rise out of the healthy range.verview. White blood cells (WBCs), also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs that invade the body.