A client is admitted to the emergency department with significant blood loss. The physician orders 2 units of packed red blood cells to be transfused immediately. Which blood groups would be compatible with his O Rh-positive blood group?
A) O Rh-positive or O Rh-negative
B) Only O Rh-positive
C) Only O Rh-negative
D) AB Rh-positive or Rh-negative
A
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People with Rh-positive blood can receive Rh-positive or Rh-negative blood because a negative Rh indicates a missing Rh factor. Antibodies, immunoglobulins in plasma that inactivate any substance that is nonself, react with incompatible red blood cell antigens. Therefore, people with type O blood are universal donors because they do not have antigens on the red cell membrane. Therefore, the client can be transfused with either O Rh-positive or O Rh-negative blood.
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