SBB study guide| 101 Questions with 100%
Correct Answers | Verified
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-)
-The dominant Lu(a-b-) type is associated with what gene? - -In(Lu)
-What substance could be used to rule out anti-E in the presence of anti-Lub? - -DTT
-Which pair of alleles is out of place?
1. Lu8/Lu14
2. Lu8/Lu10
3.Lu6/Lu9
4. Aua/Aub - -Lu8/Lu10
-Persons who are group B are more common among which population? - -Black/Asian
-Red cells that lack glycophrin A also lack: - -Ena antigens
-Anti-ENKT reacts with which RBCs? - -ENaFS
-What is a lectin? - -Seed extracts that agglutinate human cells with moderate
specificity
-All of the following are representative of Lewis antibodies, except?
1. They can be neutralized by Lewis substance
2. They occur frequently in pregnant women
3. They are destroyed by enzymes
4. They are enhanced by enzymes - -They are destroyed by enzymes
Correct Answers | Verified
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-)
-The dominant Lu(a-b-) type is associated with what gene? - -In(Lu)
-What substance could be used to rule out anti-E in the presence of anti-Lub? - -DTT
-Which pair of alleles is out of place?
1. Lu8/Lu14
2. Lu8/Lu10
3.Lu6/Lu9
4. Aua/Aub - -Lu8/Lu10
-Persons who are group B are more common among which population? - -Black/Asian
-Red cells that lack glycophrin A also lack: - -Ena antigens
-Anti-ENKT reacts with which RBCs? - -ENaFS
-What is a lectin? - -Seed extracts that agglutinate human cells with moderate
specificity
-All of the following are representative of Lewis antibodies, except?
1. They can be neutralized by Lewis substance
2. They occur frequently in pregnant women
3. They are destroyed by enzymes
4. They are enhanced by enzymes - -They are destroyed by enzymes
