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Persons with blood group O are called

ARestricted recipients of blood types
BRestricted donors of blood types
CUniversal recipients of all blood types
DUniversal donors of all blood types
Answer & Solution
Correct answer: D. Universal donors of all blood types
Group O RBCs carry no A or B antigen, so O blood can be given to any ABO recipient. AB persons have no anti-A or anti-B antibodies, so they are universal recipients.
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