ASCP MLT IMMUNOHEMATOLOGY QUESTIONS
AND ANSWERS A COMPLETE BEST SOLUTION
NEWEST UPDATED 2024/2025 ALL ANSWERS
100% CORRECT DETAILED RATED TO SCORE A+
FOR PASS
How many micrograms (ug) of IgG anti-D are in a 1500 IU vial of RhIg? -
CORRECT ANSWERS 300
The conversion rate is one ug = 5 IU
A secondary immune response is generally associated with what antibodies? -
CORRECT ANSWERS IgG
Which of the following statements is NOT true about the Lewis blood group:
A. antigen expression is influenced by secretor status
B. antigens are adsorbed onto the red cells from the plasma
C. antigens are a structural component of the red cell membrane
D. ABO group affects antigen expression - CORRECT ANSWERS C. antigens are a
structural component of the red cell membrane
Lewis antigens are not a component of the red cell membrane, in fact, are not
produced by the red cell at all. They are adsorbed from the plasma.
You are working at a blood donor center; the date is July 1st. A unit of packed
RBCs expired on August 4th. If the unit of blood is irradiated, what will be he
new expiration date? - CORRECT ANSWERS July 29th - because after
irradiation, the expiration date shortens to 28 days from the date of expiration,
or the original expiration date, whichever is first.
An individual with type AB blood will demonstrate the complete absence of
which of the following antigen sites?
A. A
, ASCP MLT IMMUNOHEMATOLOGY QUESTIONS
AND ANSWERS A COMPLETE BEST SOLUTION
NEWEST UPDATED 2024/2025 ALL ANSWERS
100% CORRECT DETAILED RATED TO SCORE A+
FOR PASS
B. B
C. H
D. None of the above - CORRECT ANSWERS D. None of the above
H antigen is a precursor to the ABO antigens.
When AHG or Coombs serum is used to demonstrate that red cells are
antibody coated in vivo, the procedure is termed: - CORRECT ANSWERS DAT
(direct antiglobulin test)
What additional information is required on a label or tie tag of an autologous
unit? - CORRECT ANSWERS Identification of the recipient
An issued unit of blood may be returned to blood bank inventory if it has not
been outside a monitored refrigerator for longer than: - CORRECT ANSWERS
30 minutes
If, for instance, transfusion is delayed, a unit of blood must be returned to a
temperature-monitored refrigerator within 30 minutes to maintain the
integrity of the blood cells.
Which of the following actions should take place if a donor experiences
numbness in the mouth during an apheresis procedure? - CORRECT ANSWERS
Reduce the flow rate
All of the following criteria for donor RBC to be used for an exchange
transfusion relate to both ABO HDFN and HDFN due to anti-D:
AND ANSWERS A COMPLETE BEST SOLUTION
NEWEST UPDATED 2024/2025 ALL ANSWERS
100% CORRECT DETAILED RATED TO SCORE A+
FOR PASS
How many micrograms (ug) of IgG anti-D are in a 1500 IU vial of RhIg? -
CORRECT ANSWERS 300
The conversion rate is one ug = 5 IU
A secondary immune response is generally associated with what antibodies? -
CORRECT ANSWERS IgG
Which of the following statements is NOT true about the Lewis blood group:
A. antigen expression is influenced by secretor status
B. antigens are adsorbed onto the red cells from the plasma
C. antigens are a structural component of the red cell membrane
D. ABO group affects antigen expression - CORRECT ANSWERS C. antigens are a
structural component of the red cell membrane
Lewis antigens are not a component of the red cell membrane, in fact, are not
produced by the red cell at all. They are adsorbed from the plasma.
You are working at a blood donor center; the date is July 1st. A unit of packed
RBCs expired on August 4th. If the unit of blood is irradiated, what will be he
new expiration date? - CORRECT ANSWERS July 29th - because after
irradiation, the expiration date shortens to 28 days from the date of expiration,
or the original expiration date, whichever is first.
An individual with type AB blood will demonstrate the complete absence of
which of the following antigen sites?
A. A
, ASCP MLT IMMUNOHEMATOLOGY QUESTIONS
AND ANSWERS A COMPLETE BEST SOLUTION
NEWEST UPDATED 2024/2025 ALL ANSWERS
100% CORRECT DETAILED RATED TO SCORE A+
FOR PASS
B. B
C. H
D. None of the above - CORRECT ANSWERS D. None of the above
H antigen is a precursor to the ABO antigens.
When AHG or Coombs serum is used to demonstrate that red cells are
antibody coated in vivo, the procedure is termed: - CORRECT ANSWERS DAT
(direct antiglobulin test)
What additional information is required on a label or tie tag of an autologous
unit? - CORRECT ANSWERS Identification of the recipient
An issued unit of blood may be returned to blood bank inventory if it has not
been outside a monitored refrigerator for longer than: - CORRECT ANSWERS
30 minutes
If, for instance, transfusion is delayed, a unit of blood must be returned to a
temperature-monitored refrigerator within 30 minutes to maintain the
integrity of the blood cells.
Which of the following actions should take place if a donor experiences
numbness in the mouth during an apheresis procedure? - CORRECT ANSWERS
Reduce the flow rate
All of the following criteria for donor RBC to be used for an exchange
transfusion relate to both ABO HDFN and HDFN due to anti-D:
