Blood Banking (ASSESSMENT EXAM)
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1. A All of the following would be used to test the reactivity of
AHG reagent except:
A. Diluted anti-K antisera
B. Diluted anti-D antisera
C. Check cells
D. 6% albumin
2. B What is the first step in the laboratory investigation of a
transfusion reaction?
A. DAT on the post-transfusion sample
B. Check for clerical error
C. Repeat ABO and Rh typing of patient and donor unit.
D. Antibody screen on the post-transfusion sample.
3. D A Trauma patient had a severe hemolytic reaction follow-
ing a blood transfusion. What is the most likely cause?
A. Immediate, nonimmunological: probably due to volume
overload
B. Delayed Immunological: probably due to an antibody
such as anti-Jk^a
C. Delayed nonimmunological: probably due to iron over-
load
D. Immediate, nonimmunological: probably due to clerical
error, ABO incompatibility
4. B A patient has hemolytic reaction transfused 8 days ago.
What is the most likely cause?
A. Immediate, nonimmunological: probably due to volume
overload
B. Delayed Immunological: probably due to an antibody
such as anti-Jk^a
C. Delayed nonimmunological: probably due to iron over-
load
D. Immediate, nonimmunological: probably due to clerical
error, ABO incompatibility
, Blood Banking (ASSESSMENT EXAM)
Study online at https://quizlet.com/_28wzqs
5. A Which of the following errors would cause the most severe
reaction?
A. Group A blood given to group O patient
B. Group O blood given to group A patient
C. Group B blood given to group AB patient
D. Group O blood given to group B patient
6. D All of the following are part of the preliminary evaluation
of a transfusion reaction except:
A. Check pre and post transfusion samples for the color
of the serum.
B. Perform ABO and Rh recheck
C. DAT on the post transfusion reaction sample
D. Panel on pre and post transfusion sample
7. B All of the following test should be done if a hemolytic
transfusion has taken place except:
A. Recrossmatch and repeat the antibody screen
B. Absorption using pre and post transfusion samples
C. Gram stain and culture of the unit
D. chemistry, coagulation and urine tests
8. B A patient has died because of transfusion reaction. What
should be done?
A. Nothing more can be done
B. Notify the FDA
C. Perform an autopsy on the patient
D. File the records
9. B A shipment of packed RBCs contains only the units. What
should be done?
A. Place the units in the 1-6 C blood bank refrigerator
B. Reject the shipment, there is no wet ice on the contain-
er.
, Blood Banking (ASSESSMENT EXAM)
Study online at https://quizlet.com/_28wzqs
C. Prepare the units for freezing
D. Check all units for labels and proper volume
10. A Two of 4 units of packed RBCs were used in the OR at 3
pm. Can the remaining 2 units be returned to the blood
bank at 5 pm?
A. Yes, if the 2 units have been kept under the proper
storage conditions.
B. Yes, but only id the units are to be used for the same
patients.
C. No, units may ha become contaminated outside the
blood bank.
D. No, units have been out of the blood bank for longer
than 1 hour
11. B Can an autologous donation of RBCs frozen in 1989 be
used in 1994?
A. No, frozen red cells are good for only 18 months.
B. Yes, frozen red cells are good for 10 years.
C. No, proper serological tests were not available.
D. Yes, but only if units do not need to be shipped over 50
miles.
12. B Can frozen RBCs thawed and washed at 9 am be trans-
fused at 11 am the next day?
A. Yes, issue the units
B. No, units now have expired
C. Yes, wash units again then issue
D. No, return units to the blood supplier
13. B A unit of packed RBCs leaves the lab at 7:15 am. Can it
be return, unused at 8 am?
A. Yes, the unit may be returned if not transfused.
B. No, the unit has been out of the ref for more than 30
minutes.
C. No, any unit cannot be returned after it has left the
Study online at https://quizlet.com/_28wzqs
1. A All of the following would be used to test the reactivity of
AHG reagent except:
A. Diluted anti-K antisera
B. Diluted anti-D antisera
C. Check cells
D. 6% albumin
2. B What is the first step in the laboratory investigation of a
transfusion reaction?
A. DAT on the post-transfusion sample
B. Check for clerical error
C. Repeat ABO and Rh typing of patient and donor unit.
D. Antibody screen on the post-transfusion sample.
3. D A Trauma patient had a severe hemolytic reaction follow-
ing a blood transfusion. What is the most likely cause?
A. Immediate, nonimmunological: probably due to volume
overload
B. Delayed Immunological: probably due to an antibody
such as anti-Jk^a
C. Delayed nonimmunological: probably due to iron over-
load
D. Immediate, nonimmunological: probably due to clerical
error, ABO incompatibility
4. B A patient has hemolytic reaction transfused 8 days ago.
What is the most likely cause?
A. Immediate, nonimmunological: probably due to volume
overload
B. Delayed Immunological: probably due to an antibody
such as anti-Jk^a
C. Delayed nonimmunological: probably due to iron over-
load
D. Immediate, nonimmunological: probably due to clerical
error, ABO incompatibility
, Blood Banking (ASSESSMENT EXAM)
Study online at https://quizlet.com/_28wzqs
5. A Which of the following errors would cause the most severe
reaction?
A. Group A blood given to group O patient
B. Group O blood given to group A patient
C. Group B blood given to group AB patient
D. Group O blood given to group B patient
6. D All of the following are part of the preliminary evaluation
of a transfusion reaction except:
A. Check pre and post transfusion samples for the color
of the serum.
B. Perform ABO and Rh recheck
C. DAT on the post transfusion reaction sample
D. Panel on pre and post transfusion sample
7. B All of the following test should be done if a hemolytic
transfusion has taken place except:
A. Recrossmatch and repeat the antibody screen
B. Absorption using pre and post transfusion samples
C. Gram stain and culture of the unit
D. chemistry, coagulation and urine tests
8. B A patient has died because of transfusion reaction. What
should be done?
A. Nothing more can be done
B. Notify the FDA
C. Perform an autopsy on the patient
D. File the records
9. B A shipment of packed RBCs contains only the units. What
should be done?
A. Place the units in the 1-6 C blood bank refrigerator
B. Reject the shipment, there is no wet ice on the contain-
er.
, Blood Banking (ASSESSMENT EXAM)
Study online at https://quizlet.com/_28wzqs
C. Prepare the units for freezing
D. Check all units for labels and proper volume
10. A Two of 4 units of packed RBCs were used in the OR at 3
pm. Can the remaining 2 units be returned to the blood
bank at 5 pm?
A. Yes, if the 2 units have been kept under the proper
storage conditions.
B. Yes, but only id the units are to be used for the same
patients.
C. No, units may ha become contaminated outside the
blood bank.
D. No, units have been out of the blood bank for longer
than 1 hour
11. B Can an autologous donation of RBCs frozen in 1989 be
used in 1994?
A. No, frozen red cells are good for only 18 months.
B. Yes, frozen red cells are good for 10 years.
C. No, proper serological tests were not available.
D. Yes, but only if units do not need to be shipped over 50
miles.
12. B Can frozen RBCs thawed and washed at 9 am be trans-
fused at 11 am the next day?
A. Yes, issue the units
B. No, units now have expired
C. Yes, wash units again then issue
D. No, return units to the blood supplier
13. B A unit of packed RBCs leaves the lab at 7:15 am. Can it
be return, unused at 8 am?
A. Yes, the unit may be returned if not transfused.
B. No, the unit has been out of the ref for more than 30
minutes.
C. No, any unit cannot be returned after it has left the
