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WorksheetsBB MODULE 5 ASSESSMENT
Total questions: 26
Worksheet time: 11mins
The ABO gene is located on the locus of ____________.
Chromosome 12
Chromosome 9
Chromosome 6
Chromosome 3
The immunodominant sugar on Blood group B patient is?
L-fucose
D-galactose
N-acetyl-D-galactosamine
Galactose
The enzyme produce by H gene is called?
galactosyl transferase
N acetyl-L-galactosaminyl transferase
D- galactosyl transferase
L- fucosyl transferase
The D- galactosyl transferase is the enzyme that adds the immunodominant sugar D-galactose for the formation of?
H antigen
O antigen
A antigen
B antigen
The donor nucleotide involve in the formation of A antigen is?
UDP-GAL
GDP-FUC
UDP-GALNAC
GALNAC
Precursors substances (PS) are comprised of identical sugars which includes the following except?
galactose
N- acetyl glucosamine
glucose
Fucose
This gene/allele codes for a fucosyl transferase enzyme that adds fucose onto Type 1 chains in secretory glands.
H gene
A gene
B gene
Se gene
Which of the following is an amorph allele?
B allele
A allele
O allele
H allele
What antibody does a type A person naturally make
Anti-A
Anti-B
Anti-AB
Anti-H
What is forward typing?
Testing patient red cells for antigen
Testing known reagent red cell
Testing patient serum for antibodies
Testing known antibodies
What is backward or reverse typing?
Testing patient red cells for antigen
Testing known reagent red cell
Testing patient serum for antibodies
Testing known antibodies
Anti-B is found in which patients (select all that apply).
Type O
Type B
Type A
Type AB
What is reverse typing?
Patient cells + known antibodies
Patient cells + donor serum
Patient serum + donor cells
Patient serum + known red cells
Jim has type AB blood. His dad could be type O.
TRUE
FALSE
Jim has type AB blood. His dad could be type O.
TRUE
FALSE
If one of your parents is blood type A and the other is type B, which of the following blood types could you be?
O
A or B
AB
Any of these
None of these
The presence or absence of the ABH antigens on the red blood cell membrane is controlled by the?
B gene
A gene
H gene
O gene
Se gene
It serves as the foundation upon which A and B antigens are built.
ABO gene
Se gene
H antigen
HH genotype
ABH Ags on RBCs are derived from?
Type II chains
Type I Chains
All of the following are characteristics of Bombay individuals except?
Presence of Anti-A, Anti-B and a potent Anti-H
Absence of L-fucosyltransferase in serum and H antigens in the red cells
A, B, H Nonsecretor
Strong reactivity with anti-I
Absence of A or B enzymes in the serum
This type of Bombay phenotype demonstrate A or B enzymes on serum but NO H enzyme
Classical Bombay Phenotype
Category I
Category II
Category III
Parabombay
This is demonstrated by present of trace amounts of A antigen on B RBCs due to synthesis of A antigen by the B-gene enzyme
Acquired B phenotype
B[A] phenotype
Cis-AB phenotype
Parabombay phenotype
Which of the following would react with Dolichos biflorus reagent?
A1
A2
B antigen
H antigen
Which of the following has the least amount of H antigen?
A2B
B
A2
A1
A1B
Possible Genotypes of a Group A secretor?
OO; HH/Hh; Sese/Sese
BB/BO; HH/Hh; SeSe/Sese
AB; HH/Hh; SeSe/Sese
AA/AO; HH/Hh; SeSe/Sese
Which of the following blood type has antibodies that is IgG in nature?
A
AB
B
O
