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MLT 2022 Quiz Bowl: Blood Bank Flashcards | StudBud
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MLT 2022 Quiz Bowl: Blood Bank
MLT 2022 Quiz Bowl: Blood Bank
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Flashcards
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Questions
22
Answers
1
What is the most common type of HDFN.
ABO
Rh
2
What is the chemical composition of an antibody?
glycoprotein
lipid
carbohydrate
3
What is
not
a characteristic of secondary immune response?
antibody produced at high levels is IgM
antibody production begins in 1-2 days of reexposure
all of these
shortened lag phase
4
Immunoglobulin of highest concentration in serum
IgD
IgG
IgA
IgM
5
Which statement is false regarding a Bombay individual?
Only autologous units or rare donor files can be used
RBC lacks H antigen
A rare, autosomal recessive phenotype
has H, A and B antigens
6
What is a treatment used for HDN in infants?
all of these
phototherapy
intrauterine transfusion
exchange transfusion
7
What is the expected order of reactivity with anti-H from most reactive to least reactive?
A1B > A1 > A2B > B > A2 > O
O > A2 > B > A2B > A1 > A1B
8
One 300 ml vial of RhIg will protect against ___ ml of D-positive fetal blood.
20
40
30
10
9
How many units of RBCs are required to raise the hematocrit of a nonbleeding man from 24% to 30%
3
1
2
4
10
Do Lewis antigen have the ability to cross the placenta?
no
yes
11
What does this image indicate?
agglutination
rouleaux
12
Lymphocytes that differentiate into plasma cells when stimulated by antigen and secretes antibodies.
T cells
B cells
13
Irradiation of a unit of Red blood cells is done to prevent replication of donor
granulocytes
platelets
lymphocytes
red cells
14
What is the deferral time for blood donation if patient had gotten a tattoo?
8 weeks
3 months
12 months
indefinite deferral
15
Antigen expression on red blood cells
hapten
zeta potential
alleles
dosage
16
What is the optimum storage temperature for platelets?
20-24 0C
1-6oC
-180C
17
Antibody made in response to foreign antigen
autoantibody
alloantibody
all of the above
xenoantibody
18
Expiration limit with each red blood cell product: CPA
42 days
21 days
35 days
19
Antigens found in tissues and bodily fluids.
Sd
Xg
Bg
20
A class of immunoglobulin that’s structure is a pentamer
IgD
IgM
IgG
IgE
21
What does the upper zone (zone 3) of a Liley graph in HDN indicate
mild disease
moderate disease
severe disease
22
Which of the following blood groups is clinically insignificant?
Lewis
Rh
Duffy
Kell