A positive
Optimist, for one
A positive is a blood type in the ABO system, indicating the presence of A antigens and the Rh factor on red blood cells.
It's among the most common blood types: The lab confirmed she's A positive.
The term appears in medical contexts and blood donation, where compatibility matters for transfusions.
- negativeOpposite of affirmative
- blood type ASerological category with specific antigens
- Rh factorRed cell surface protein
- crossmatchingPre-transfusion blood verification
- donor matchCompatible tissue for transplant
rare blood type · antigen · blood transfusion · A+ · genotype · allele · genetic markers · red blood cells · blood bank · giving blood · sickle cell disease · anemia · transfusion reaction · plasma · universal donor · hematology · immune system · hemoglobin
- blood donationdonor, donation, blood drive, blood bank, blood type
- blood typingblood type, blood group, blood groups, blood typing, type B
positive, positively, positiveness, positivity, posit, posits, posited, positing, position