KROK 1 2015 – Question 116 · KROK (Medicine) · Physiology

During determining the blood group according to the AB0 system with salt solutions of monoclonal antibodies agglutination did not occur with any of the solutions. What blood group is it?

  1. A. AB (IV)
  2. B. B (III)
  3. C. 0 (I)
  4. D. A (II)
  5. E. -
Hint

No agglutination with any monoclonal reagent means the red cells carry none of the surface antigens those reagents recognise; think about which group lacks them.

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