If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
O+
O–
AB+
AB–

Question

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
O+
O–
AB+
AB–

GPT-5 mini · Answer

O–

Explanation: O negative red blood cells lack A, B, and Rh (D) antigens, so they can be given safely to patients of any blood type in an emergency — making O− the universal donor. (Note: plasma is different — AB is the universal plasma donor.)

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
O+
O–
AB+
AB–

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If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion? O+ O– AB+ AB–

All Answers 1