Respuesta :

Assuming the worst case scenario, which is that the patient does not have the Rhesus antigen, the patient can only accept blood from the blood groups of A-, B-, O-, AB-
jeniferhall05

Answer:

AB-

Explanation:

All AB blood can receive AB-, but only AB+ can receive AB+, so it is safer to use AB- if the RH factor is unknown.

AB+ can receive AB+ or AB-

AB- can only receive AB-

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