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what blood type is universal ........ o positive or o negative? - Health Questions

Question
what blood type is universal ........ o positive or o negative?

Best Answer
O+ is the most common blood type

Others
o positive
ab neg. is the rarest
O negative. O positive is most common but not the universal blood. Antigens on the blood cells are what determines the type and Rh of the blood. O blood has no A or B antigen, and Rh neg has no Rh antigen. The lack of antigens in O neg blood means it can be given to anyone without a reaction.
Nursing student in Physiology class......just did this one.
o positive is the universal donor

ab is universal receiver
O positive
O positive can only give to other blood types that have a positive Rh factor. However, O negative can give to any blood type with or without a positive Rh factor.
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