Question

if a person is injured and has type ab blood, what type(s) of blood would the doctor be able to give them in order to keep them alive?
type ab only
type a, b, ab, or o
type ab or type o only
type a or type b only

Explanation:

AB blood type has no anti-A or anti-B antibodies in plasma, so it can receive all blood types (A, B, AB, O) without adverse reactions. AB is the universal recipient.

Answer:

Type A, B, AB, or O