A Type-A Person Demonstrates a 3+ Reactivity with A₁ Cells

question 51

Multiple Choice

A type-A person demonstrates a 3+ reactivity with A₁ cells (reverse grouping) . The forward grouping with anti-A is 4+. Therefore, the possibility of a subgroup is excluded. B cells demonstrate a 4+ reaction. The antibody screen is weakly positive at 37°C but shows no reactivity at the AHG phase. An antibody panel is performed and anti-M is identified. The patient phenotypes negative for M antigen. How is the ABO discrepancy resolved?

• A) Perform reverse grouping at 4°C.
• B) Perform reverse grouping with A₁ cells negative for M antigen.
• C) Perform reverse grouping with A₁ cells positive for M antigen.
• D) Perform forward grouping at 4°C.

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Definitions:

Unwanted Sex

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Abusive Boyfriend

A boyfriend who engages in behaviors that physically, emotionally, sexually, or psychologically harm their partner.

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The use of substances that are illegal or not prescribed, which can lead to addiction, health issues, or legal consequences.

Sexual Contact

An interaction that involves physical intimacy or touching between individuals in a sexual manner.