Determining a patient's blood group with monoclonal test-reagents revealed positive agglutination reaction to anti-A and anti-B reagents, and negative reaction to anti-D. What blood group does this patient have?

Answer options

1. I (0) Rh
2. III (B) Rh-
3. IV (AB) Rh
4. II (A) Rh
5. IV (AB) Rh-

Explanation

NEGATIVE REACTION TO ANTI D INDICATES RHESUS NEGATIVE(RH-) OPTION A POSITIVE REACTION TO ANTI D INDICATES RHESUS POSITIVE (RH+) OPTION B TO E