Question

A person has 'O' type blood. Which test will be performed to confirm the blood group?

• A. Agglutinogens in A
• B. Agglutinogens in B
• C. Agglutinogens in AB
• D. Agglutinins (Anti- A or Anti- B)

Answer 1

Answer: (C)

Agglutinogens in AB

Agglutinogens in AB test will be performed to confirm 'O' type blood. Plasma has antibodies that attack both type A and type B blood. The type A blood has A agglutinogen and anti-B agglutinins so it cannot accept type B or AB blood. Thus, agglutinogen AB test confirms the result that a person has O type blood.

Therefore, the correct answer is option C.