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2020 MLT Quiz Bowl: Blood Bank Flashcards | StudBud
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2020 MLT Quiz Bowl: Blood Bank
2020 MLT Quiz Bowl: Blood Bank
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Student created questions for review of immunohematology content for MLT certification exam.
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
A common cause of febrile non- hemolytic transfusion reactions is immune response to leukocytes.
False
True
2
A cord blood specimen from a jaundiced infant should be tested for all of the following, except?
IAT
ABO
DAT
Rh
3
Diagnosis of ABO HDFN is difficult because the DAT test on newborns is unreliable.
True
False
4
For granulocyte concentrations, all of the lab tests must be performed on the unit by the donor center, Except?
lymphocyte enumeration
ABO and Rh
infectious disease markers
red cell antibodies
5
The major cross match is preformed using donor’s serum and recipients red blood cells?
False
True
6
Which parts of the blood can be transfused?
red blood cells
all of these
platelets
Whole blood
7
Which of the following is used as a source for irradiation of blood products?
p51
I131
C14
Cs137
8
Why are transfusions given?
To decrease the risk of bleeding
All of these
To increase the amount of blood
To increase the blood's ability to carry oxygen
9
A type and cross is usually performed to match blood to a patient?
False
True
10
Which symptom justifies immediate stopping of a blood transfusion?
steady body temperature
thirst
low back pain
sweaty
11
What is the first thing blood banking staff should do when investigating a transfusion reaction?
Perform an Ab screen on both pre & post specimens
Preform IAT and DAT on the post- transfusion sample
Repeat ABO and Rh typing of the patient and donor
Check for clerical errors in all steps pre and post process
12
Which is the best explanation for why the ABO system is most important in transfusion?
ABO Ab are capable of causing rapid, severe intravascular hemolysis
reactions with ABO Ab are the most common cause of transfusion death
only system which Ab are normally produced for the Ag you lack
ABO Ab are often implicated in severe HDN
13
Some causes of mass transfusions include all of the following, Except?
hypernatremia
metabolic abnormalities
hemolysis and air embolism
hemostatic abnormalities
14
Reactivity of blood group A is confirmed by detecting the presence of which immunodominant sugar molecule?
N-acetyl-D-neuraminic acid
N-acetyl-D-glucosamine
N-acetyl-D-galactosamine
L-frucose
15
What is the MOST common cause of acute hemolytic transfusion reactions?
clerical errors
Donor IgG immune response
testing errors
blood administration errors
16
What is the most important step to select units for crossmatch after recipient Abs have been identified?
Perform IAT on patient cells and donor units
Antigen type patient cells & donor cells to be cross matched
17
Which statement is TRUE regarding HDFN caused by ABO Ab?
A negative cord blood DAT test excludes it
It is most common with O mothers and A babies
It rarely occurs during the first pregnancy
Fetal hemolysis is typically severe
18
FFP should be transfused within 72 hours of thawing
False
True
19
The temperature for incubating IAT/ Antibody screen is?
37 C
26 C
20
HDN most frequently occurs when an Rh negative mother has a baby with an Rh positive father.
False
True
