SBB study guide Questions and Answers
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What enzyme may be useful in distinguishing anti-Ge2 from anti-Ge3?
Papain (Anti-Ge2 will not react)
The beta 1-3 linkage between galactose and N-actylglucosamine is found in:
Secretions
Which of the following represents the Type II chain?
Beta 1-4 linkage between galactose and N acetyl glucosamine
Rank the order of decreasing H concentration on RBCs
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
A2/B
,The ABO genes are located on which chromosome?
9
Which glycosyltransferase is needed before A and B antigens are formed?
L-fucosyltransferase
What is the typical reaction of the A3 subgroup?
mixed field reaction with Anti-A and Anti-A,B
What is the typical reaction of the Ael subgroup?
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.
Hypogammaglobulinemia
What differentiates a Bombay anti-H from an anti-H cold agglutin?
Reactivity at body temperature
The is antigen is associated with linear carbohydrate chains?
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?
Anti-M in plasma
Anti-IH would react best with which RBC?
O
The acquired B phenomenon is only found in which ABO group?
A
Which of the following is true about the A2 subgroup?
1. 1-8% of persons will product anti-A1
2. Anti-A1 does not react with A2 RBCs
3. Anti-A2 is formed
4. Two of the above
Two of the above (1-8% of persons will product anti-A1 and Anti-A1 does not react with A2 RBC
)
Anti-Lu3 is associated with:
Recessive type Lu(a-b-)
(Download To Score An A)
What enzyme may be useful in distinguishing anti-Ge2 from anti-Ge3?
Papain (Anti-Ge2 will not react)
The beta 1-3 linkage between galactose and N-actylglucosamine is found in:
Secretions
Which of the following represents the Type II chain?
Beta 1-4 linkage between galactose and N acetyl glucosamine
Rank the order of decreasing H concentration on RBCs
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
A2/B
,The ABO genes are located on which chromosome?
9
Which glycosyltransferase is needed before A and B antigens are formed?
L-fucosyltransferase
What is the typical reaction of the A3 subgroup?
mixed field reaction with Anti-A and Anti-A,B
What is the typical reaction of the Ael subgroup?
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.
Hypogammaglobulinemia
What differentiates a Bombay anti-H from an anti-H cold agglutin?
Reactivity at body temperature
The is antigen is associated with linear carbohydrate chains?
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?
Anti-M in plasma
Anti-IH would react best with which RBC?
O
The acquired B phenomenon is only found in which ABO group?
A
Which of the following is true about the A2 subgroup?
1. 1-8% of persons will product anti-A1
2. Anti-A1 does not react with A2 RBCs
3. Anti-A2 is formed
4. Two of the above
Two of the above (1-8% of persons will product anti-A1 and Anti-A1 does not react with A2 RBC
)
Anti-Lu3 is associated with:
Recessive type Lu(a-b-)
