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.
We have seen blood consist of cells known as formed elements of blood. These cells have their own functions and roles to play in the body. Red blood cells (RBCs): RBCs are the biconcave cells; also known as erythrocytes. RBCs contain the iron-rich protein called haemoglobin; give blood its red color. RBCs are most copious blood cell produced in bone marrows.