Phlebotomy is the process of drawing blood for any type of testing, diagnosis, or analysis. Blood contains two parts which are cells and fluids such as plasma and serum. Plasma is a fluid that contains substances which may be glucose, protein, or water. Serum is the fluid that remain after the blood is allowed clotting in the tube. Blood can help control fluid balance, body acid balance, and body temperature. According to MedlinePlus, Blood test can help diagnose or analyze of a patient health. These blood test are mostly important because it can help evaluate the diagnosis or even the effectiveness of medications that are given. Phlebotomist uses the order of draw, which is a specific order of tubes that must be used when blood is being collected. This theory is to identify and have less confusion of certain additives in the tubes. The National order of draw is usually determined by Blood culture, Coagulation, Additive, and Non-Additive tubes. …show more content…
The procedure steps for a Venipuncture blood draw starts off with preparing all the things being used which are Alcohol pads, needles, hub, gloves, Gauze pads and tourniquet. The first step is palpating the arm for a vein, then making sure it’s clean with an alcohol pad. After making sure the vein is clean, prepare the needle, hub, and pads. After the tourniquet is put on the arm, then you place the needle in the arm. After the needle is in the arms and the tubes are filled, before the last tube is filled the tourniquet must be taken off. After the tourniquet is taken off the tubs need to be out and the needle out as well. The place where the blood was taken should be cleaned and a bandage should be placed on it. The procedure of drawing blood is pretty simple, following the National order of