SBB Study Guide Questions with 100% Correct Answers

What enzyme may be useful in distinguishing anti-Ge2 from anti-Ge3? Correct Answer Papain (Anti-Ge2 will not react) The beta 1-3 linkage between galactose and N-actylglucosamine is found in: Correct Answer Secretions Which of the following represents the Type II chain? Correct Answer Beta 1-4 linkage between galactose and N acetyl glucosamine Rank the order of decreasing H concentration on RBCs Correct Answer 0>A2>B>A2B>A1>A1B All of the following are genotypes for the A1 phenotype except: 1. A1/A1 2. A1/A2 3. A2/B 4. A1/O Correct Answer A2/B The ABO genes are located on which chromosome? Correct Answer 9 Which glycosyltransferase is needed before A and B antigens are formed? Correct Answer L-fucosyltransferase What is the typical reaction of the A3 subgroup? Correct Answer mixed field reaction with Anti-A and Anti-A,B What is the typical reaction of the Ael subgroup? Correct Answer Positive reaction with anti-H What clinical condition may yield positive reactions with Anti-A, negative with Anti-B, negative with A1 and B cells. Correct Answer Hypogammaglobulinemia What differentiates a Bombay anti-H from an anti-H cold agglutin? Correct Answer Reactivity at body temperature The is antigen is associated with linear carbohydrate chains? Correct Answer i antigen The following reactions are found on a 35 yr old male. Anti-A 4+, Anti-B 0, Anti-A,B-4+, A1 cells 3+, B cells 4+, O cells 3+. How could these be explained? Correct Answer Anti-M in plasma