Understanding Blood Compatibility for Transfusion

Shao-Mei and Elisha's Blood Groups

Shao-Mei and Elisha, who are good friends, decided to donate blood. Shao-Mei discovered that her blood group is AB Rh− and Elisha’s blood group is O Rh−.

How Elisha Could Help Shao-Mei

Elisha can help Shao-Mei if she ever needs a blood transfusion because Elisha has O Rh- blood, which is compatible with Shao-Mei's AB Rh- blood. However, Shao-Mei cannot help Elisha in the same way because her blood type is AB.

Explanation:

Elisha could help Shao-Mei if she ever needed a blood transfusion because Shao-Mei has AB Rh- blood, which means she can receive blood from donors with any blood type. Elisha has O Rh- blood, which is compatible with Shao-Mei's blood type. However, Shao-Mei cannot help Elisha in the same way because her blood type is AB, which means she can only receive blood from donors with the same blood type or from universal donors like O Rh-.

Shao-Mei and Elisha, who are good friends, decide to donate blood. Shao-Mei discovers that her blood group is AB Rh− and Elisha’s blood group is O Rh−. Explain how Elisha could help Shao-Mei if she ever needed a blood transfusion. Why cannot Shao-Mei help Elisha in the same way? Elisha can help Shao-Mei if she ever needs a blood transfusion because Elisha has O Rh- blood, which is compatible with Shao-Mei's AB Rh- blood. However, Shao-Mei cannot help Elisha in the same way because her blood type is AB.
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