venipuncture…

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what the risks are blood test, blood-drawing, phlebotomy, venipuncture, collection of blood specimen, a vein, laboratory testing, blood is drawn, a vein, venipuncture, the elbow, the hand, puncture site is cleaned, antiseptic, an elastic band, blood pressure cuff, around the upper arm to apply pressure, restrict blood flow, the vein, veins below the elastic band to distend, fill, blood, a sterile needle is inserted, vein, blood is collected in an air-tight vial, a syringe, band is removed, restore circulation, once the blood has been collected, needle is removed, puncture site is covered to stop any bleeding, preparation, vary depending on the specific test, many tests, require any special preparation, limit certain medications shortly, require an overnight fast to assure an accurate sample, infants, children, test depends on child's age, level of trust, prepare child, infant test, procedure preparation, birth to 1 year, toddler test, procedure preparation, 1 to 3 years, preschooler test, procedure preparation, 3 to 6 years, schoolage test, procedure preparation, 6 to 12 years, adolescent test, procedure preparation, 12 to 18 years, the needle is inserted to draw blood, feel moderate pain, a prick, stinging sensation, some throbbing, blood is used by the body, transportation of oxygen, food, waste products, materials, regulation of body temperature, regulation of fluids, acid-base equilibrium, blood is used, multiple functions, tests on the blood, its components, give valuable clues, in the diagnosis of a multitude of medical conditions, blood is made up of a fluid portion, plasma, a cellular portion, plasma contains various substances dissolved, in the fluid, serum is what remains, fibrinogen has been removed, plasma, the fluid that remains after blood is allowed to clot, test tube, cellular portion consists primarily of red blood cells, includes white blood cells, platelets normal results, the specific test, abnormal results, the specific test, risks associated, venipuncture, slight, excessive bleeding, fainting, feeling light-headed, hematoma, blood accumulating under the skin, infection, a slight risk, the skin is broken, multiple punctures to locate veins, veins, arteries vary in size, obtaining a blood sample.