what is the name of the medical profession that draws blood
Phlebotomy Phlebotomists are people trained to draw blood from a patient [mostly from veins] for clinical or medical testing, transfusions, donations, or research. Phlebotomists collect blood primarily by performing venipunctures (or, for collection of minute quantities of blood, finger sticks).[2] Blood may be collected from infants by means of a heel stick. The duties of a phlebotomist may include properly identifying the patient, interpreting the tests requested on the requisition, drawing blood into the correct tubes with the proper additives, accurately explaining the procedure to the patients, preparing patients accordingly, practicing the required forms of asepsis, practicing standard and universal precautions, performing the skin/vein puncture, withdrawing blood into containers or tubes, restoring hemostasis of the puncture site, instructing patients on post-puncture care, ordering tests per the doctor's requisition, affixing tubes with electronically printed labels, and delivering specimens to a laboratory.
Blood type In transfusions of packed red blood cells, individuals with type O Rh D negative blood are often called universal donors. Those with type AB Rh D positive blood are called universal recipients. However, these terms are only generally true with respect to possible reactions of the recipient's anti-A and anti-B antibodies to transfused red blood cells, and also possible sensitization to Rh D antigens. One exception is individuals with hh antigen system (also known as the Bombay phenotype) who can only receive blood safely from other hh donors, because they form antibodies against the H antigen present on all red blood cells.[30][31]