Clotting reaction. Antigen is present No clotting reaction. Antigen is not prese
ID: 78258 • Letter: C
Question
Clotting reaction. Antigen is present No clotting reaction. Antigen is not present IF there is a clotting reaction, it means that antigen is present. For the chart to the right, label what blood type each type is. 1. 2. 3. 4. 5. 6. 7. 8. What blood type is considered to be the universal donor? What blood type is considered to be the universal recipient? A person with blood type B- can accept blood of which type/s? If serums containing Anti-A and Anti-B are added to blood samples from an individual and neither sample shows clumping, it would indicate that the individual had blood typeExplanation / Answer
1)
O+
A and B are absent So, it is O
Positive for anti-D. So, it is Rh +ve
2)
O-
A and B are absent So, it is O
Negative for anti-D. So, it is Rh –ve
3)
A+
A is present and B is absent So, it is A
Positive for anti-D. So, it is Rh +ve
4)
A-
A is present and B is absent So, it is A
Negative for anti-D. So, it is Rh –ve
5)
B+
B is present and A is absent So, it is B
Positive for anti-D. So, it is Rh +ve
6)
B-
B is present and A is absent So, it is B
Negative for anti-D. So, it is Rh –ve
7)
AB+
A and B are present So, it is AB
Positive for anti-D. So, it is Rh +ve
8)
AB+
A and B are present So, it is AB
Negative for anti-D. So, it is Rh -ve
O-ve blood is considered universal donor because it does react with neither anti-A nor anti-B. In addition, it will not react with anti-D. So, it can be transfused to any person. Agglutination will not occur.
AB+ve is considered universal positive because it can accept A antigen, B antigen as well as Rh antigen. It has all the three in itself. So, this will not agglutinate any of the blood groups.
B- person can accept blood from B- and O- groups. He is not having Rh antigen. So, if we give through transfusion, agglutination occurs. So, we should not give B+ and O+ group blood to B- person.
If the serum containing anti-A and anti-B are not reacting with blood sample, that must be O group. This group will have neither A nor B antigens. Therefore it will not react with anti-A and anti-B serum.
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