Current FDA guidelines allow a maximum of 10.5 ml/kilogram body weight of whole blood to be collected every eight weeks. The majority of blood collection facilities use 500 ml whole blood bags, with an additional 50 ml (10%) allowed to be drawn for mandated screening tests. This volume equates with a body weight for blood donation of 110 lbs or more (with acceptable hematocrit/hemoglobin levels).
About a pint.
Blood type O.
No. You would have to be a O blood type. That is the "universal" blood donor. The best kind.
universal donor
A donation is a gift, often of money. The person who donates is called a donor. Those who give blood are called blood donors, though in the USA blood is bought and sold as a commercial transaction. The French for 'to give' is donner (pronounced dunnay). Sometimes there is no entry fee for an event or lecture, but a donation is requested. Then it is up to the visitor to decide how much to give, but usually it is a gold coin, that is, at least $2.
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A blood donor is a person who donates blood for use in transfusion.
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Since the antibodies in blood group AB are absent, the donor's RBC in the recipient's body will not agglutinate because agglutination will occur when the natural antibodies of the pasma of the recipient's body will react with the foriegn antigen.
A person with type o blood is a universal donor and can donate blood to persons of any blood type.
Its blood donor and it means u donate blood to someone who needs it.
Type A or Type O Negative can give to positive Positive can not give to negative