ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
Chloroquine diphosphate can be used in blood banking for which of the following methodologies?
A: To remove antibody bound to red cells so that cells can be further tested
B: To remove an specific antibody in serum or plasma
C: To remove ABO antigens from cells
D: To remove Rh antigens from cells
Correct Answer - A
Which of the following transfusion reactions can a diagnosis be more firmly established by evaluating
BNP levels before & after transfusion?
A: TACO
B: Delayed hemolytic transfusion reactions
C: Transfusion associated sepsis
D: Allergic Transfusion Reactions
Correct Answer – A
A blood donor has totype: hh, AB. ing anti-A and anti-B antisera., the donor's red cells will type as group
US? - ANSWER - O
which of the following is proper procedure for preparation of platelets from Whole blood? - ANSWER -
light spin followed by a hard spin
pg. 1
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
The minimum hemoglobin concentration in a finger-stick from a male blood donor is: - ANSWER - 13.0
g/dL
In which system are DR antigens are found?
A: Kell
B: HLA
C: Duffy
D: ABO
Correct Answer - B
All of the following are the reacting substances that may be in the coombs sera (antihuman globulin)
EXCEPT?
A: Monoclonal antibody sources
B: Polyclonal antibody sources
C: Complement antibodies (ex: anti-C3b)
D: Anti-IgM sources
Correct Answer - D
The DAT is used to detect:
A:Antibodies sensitizing red cells
B: Antibodies in the plasma
C: Antigens coating red cells
D: Antigens in the plasma
Correct Answer - A
When collecting routine blood product donations, the venipuncture site first cleaned with:
A: 70% Isopropyl alcohol
B: 50% Iodine
pg. 2
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
C: 0.7% Iodophor compound
D: 2% Chlorhexidine
Correct Answer - C
A sample has reactions occurring at immediate spin & AHG i a panel that show varying reaction
strengths. There is NO obvious pattern that matches a particular panel cell or single antigen profile & the
auto-control was negative. Which of the following is the most likely cause?
A: An IgM & IgG antibody
B: An IgG antibody ONLY
C: An IgM antibody ONLY
D: an autoantibody
Correct Answer - A
Red cells unit containing CPDA-1 as an anticoagulant-preservative may be stored for how long prior to
transfusion?
A: 5 days
B: 15 days
C: 25 days
D: 35 days
Correct Answer - D
The lectin Dolichus biflorus agglutinates which of cells?
A: B
B: A1B
C: A2
D: Both A1B & A2
Correct Answer - B
Which of the following antigen groups is closely related to the ABO antigens on the red cell membrane?
A: Rh
pg. 3
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
B: Kell
C: I, i
D: Duffy
Correct Answer - C
In an extreme emergency, if the ABO/Rh type are unknown, which of the following should be given to
the patient?
A: Group O, Rh+
B: Group AB, Rh-
C: Group O, Rh-
D: Any blood type is OK
Correct Answer - C
How much time must elapse between apheresis RBC donations?
A: 48 hours
B: 7 days
C: 8 weeks
D: 16 weeks
Correct Answer - D
One risk associated with patients that require chronic transfusions is:
A: Iron overload
B: Fear of needles
C: Transfusion assocoated graft-versus-host disease (TA-GVHD)
D: Increased antigen production
Correct Answer - A
Which of the following immunoglobulins are capable of fixing complement by the classical pathway?
A: IgG & IgA
pg. 4
Update 2024.
Chloroquine diphosphate can be used in blood banking for which of the following methodologies?
A: To remove antibody bound to red cells so that cells can be further tested
B: To remove an specific antibody in serum or plasma
C: To remove ABO antigens from cells
D: To remove Rh antigens from cells
Correct Answer - A
Which of the following transfusion reactions can a diagnosis be more firmly established by evaluating
BNP levels before & after transfusion?
A: TACO
B: Delayed hemolytic transfusion reactions
C: Transfusion associated sepsis
D: Allergic Transfusion Reactions
Correct Answer – A
A blood donor has totype: hh, AB. ing anti-A and anti-B antisera., the donor's red cells will type as group
US? - ANSWER - O
which of the following is proper procedure for preparation of platelets from Whole blood? - ANSWER -
light spin followed by a hard spin
pg. 1
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
The minimum hemoglobin concentration in a finger-stick from a male blood donor is: - ANSWER - 13.0
g/dL
In which system are DR antigens are found?
A: Kell
B: HLA
C: Duffy
D: ABO
Correct Answer - B
All of the following are the reacting substances that may be in the coombs sera (antihuman globulin)
EXCEPT?
A: Monoclonal antibody sources
B: Polyclonal antibody sources
C: Complement antibodies (ex: anti-C3b)
D: Anti-IgM sources
Correct Answer - D
The DAT is used to detect:
A:Antibodies sensitizing red cells
B: Antibodies in the plasma
C: Antigens coating red cells
D: Antigens in the plasma
Correct Answer - A
When collecting routine blood product donations, the venipuncture site first cleaned with:
A: 70% Isopropyl alcohol
B: 50% Iodine
pg. 2
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
C: 0.7% Iodophor compound
D: 2% Chlorhexidine
Correct Answer - C
A sample has reactions occurring at immediate spin & AHG i a panel that show varying reaction
strengths. There is NO obvious pattern that matches a particular panel cell or single antigen profile & the
auto-control was negative. Which of the following is the most likely cause?
A: An IgM & IgG antibody
B: An IgG antibody ONLY
C: An IgM antibody ONLY
D: an autoantibody
Correct Answer - A
Red cells unit containing CPDA-1 as an anticoagulant-preservative may be stored for how long prior to
transfusion?
A: 5 days
B: 15 days
C: 25 days
D: 35 days
Correct Answer - D
The lectin Dolichus biflorus agglutinates which of cells?
A: B
B: A1B
C: A2
D: Both A1B & A2
Correct Answer - B
Which of the following antigen groups is closely related to the ABO antigens on the red cell membrane?
A: Rh
pg. 3
, ASCP Board of Certification MLT Blood Bank Practice Test/ Level 1-6 Exam Questions with Correct Verified Answers/ Latest
Update 2024.
B: Kell
C: I, i
D: Duffy
Correct Answer - C
In an extreme emergency, if the ABO/Rh type are unknown, which of the following should be given to
the patient?
A: Group O, Rh+
B: Group AB, Rh-
C: Group O, Rh-
D: Any blood type is OK
Correct Answer - C
How much time must elapse between apheresis RBC donations?
A: 48 hours
B: 7 days
C: 8 weeks
D: 16 weeks
Correct Answer - D
One risk associated with patients that require chronic transfusions is:
A: Iron overload
B: Fear of needles
C: Transfusion assocoated graft-versus-host disease (TA-GVHD)
D: Increased antigen production
Correct Answer - A
Which of the following immunoglobulins are capable of fixing complement by the classical pathway?
A: IgG & IgA
pg. 4
