Multiple Choice Questions And Answers In Immunohematology <720p>

A) CB) EC) cD) D Section 2: Antibody Detection and Identification

The AHG reagent acts as a bridge between sensitized cells, allowing for visible agglutination.

Kidd antibodies are famous for "disappearing," which can lead to delayed hemolytic transfusion reactions if past records aren't checked. Multiple Choice Questions And Answers In Immunohematology

– Prozone occurs when there is too much antibody, preventing the formation of a stable lattice and leading to false-negative results.

Explanation: RhIg (anti-D) coats fetal D-positive RBCs that have crossed into the maternal circulation, preventing the mother’s immune system from recognizing the D antigen and mounting a primary immune response. A) CB) EC) cD) D Section 2: Antibody

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Which of the following is true regarding Kidd blood group system antibodies?A) They are destroyed by enzymesB) Titers can quickly drop to undetectable levels in patientsC) They never cause delayed hemolytic transfusion reactionsD) They react best at room temperature Explanation: RhIg (anti-D) coats fetal D-positive RBCs that

A) Anti-K (Kell) B) Cold Autoantibody (Anti-I) C) Anti-D (Rh) D) Contaminated saline

The purpose of an antibody screen before crossmatching is to: a) Determine the patient’s ABO group. b) Detect clinically significant unexpected antibodies. c) Ensure the donor blood is negative for HIV. d) Check for platelet compatibility.