Answer: Blood Group type O Negative and Blood Group type A Negative
Explanation:
The patient who is blood group type A Negative would benefit from blood group type O negative and blood group type A negative. The patient is Rhesus D negative hence any blood containing rhesus D Antigen would lead to rhesus incompatibility reaction. Hence the patient can only receive blood without the rhesus D antigen.
Also the patient has blood group A has group A antigen in the red blood cell and B antibody in the plasma which means that the patient can only receive blood from blood group O and similarly blood group A. Other blood groups such as B and AB are regarded as incompatible.
