Medical Laboratory Scientist (MLS) ASCP Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is the significance of Dolichos biflorus in blood typing?

It agglutinates A2 cells

It agglutinates O type cells

It agglutinates A1 cells

Dolichos biflorus is significant in blood typing because it contains specific lectins that interact with red blood cell antigens. In particular, Dolichos biflorus lectin is known to agglutinate A1 type cells. This reaction occurs because the lectin binds specifically to the A1 antigen present on the surface of these red blood cells.

Recognizing the interaction between Dolichos biflorus and A1 type cells helps laboratory scientists distinguish between different subgroups of the A blood type, particularly between A1 and A2 subgroups. Although agglutination patterns can provide valuable information about a patient's blood type, it is essential to understand this specificity to avoid misinterpretation of results that could lead to incorrect blood transfusions or incompatibility issues.

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It does not agglutinate any cells

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