Blood Banking (ASSESSMENT EXAM) |101
Questions and Answers
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 - -A
- 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. - -B
- A Trauma patient had a severe hemolytic reaction following 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 overload
D. Immediate, nonimmunological: probably due to clerical error, ABO
incompatibility - -D
- 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 overload
D. Immediate, nonimmunological: probably due to clerical error, ABO
incompatibility - -B
- 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 - -A
, - 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 - -D
- 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 - -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 - -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 container.
C. Prepare the units for freezing
D. Check all units for labels and proper volume - -B
- 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 - -A
- 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. - -B
, - Can frozen RBCs thawed and washed at 9 am be transfused 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 - -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 blood bank.
D. Yes, the unit may be returned to the blood bank up to 1 hour later. - -B
- All of the following are advantages of using packed RBCs instead of whole
blood EXCEPT:
A. MInimizes circulatory overload
B. Minimizes exposure to large volumes of electrolytes
C. Decreases transfusion time
D. Minimizes exposure to large volumes of electrolytes - -C
- What action is taken if packed RBCs and frozen RBCs arrive in wet ice?
A. Return the frozen RBCs to the supplier
B. Return the packed RBCs to the supplier\
C. Return all uinits to the supplier
D. Place all units in the proper refrigerator/freezer - -C
- What may be done to RBCs before transfusion to a patient with a cold
agglutinin disease?
A. Irradiate to prevent GVHD
B. Wash with 0.9% saline
C. Warm to 37 C with a blood warmer
D. Transport so that the temperature is maintained at 20-24 C - -A
- A unit of packed RBCs is split using the open system. One of the half units
is used. What may be done with the second half unit?
A. Must be issued within 24 hours
B. Must be issued within 48 hours
C. Must be discarded
D. Retains the original expiration date - -A
Questions and Answers
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 - -A
- 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. - -B
- A Trauma patient had a severe hemolytic reaction following 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 overload
D. Immediate, nonimmunological: probably due to clerical error, ABO
incompatibility - -D
- 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 overload
D. Immediate, nonimmunological: probably due to clerical error, ABO
incompatibility - -B
- 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 - -A
, - 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 - -D
- 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 - -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 - -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 container.
C. Prepare the units for freezing
D. Check all units for labels and proper volume - -B
- 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 - -A
- 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. - -B
, - Can frozen RBCs thawed and washed at 9 am be transfused 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 - -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 blood bank.
D. Yes, the unit may be returned to the blood bank up to 1 hour later. - -B
- All of the following are advantages of using packed RBCs instead of whole
blood EXCEPT:
A. MInimizes circulatory overload
B. Minimizes exposure to large volumes of electrolytes
C. Decreases transfusion time
D. Minimizes exposure to large volumes of electrolytes - -C
- What action is taken if packed RBCs and frozen RBCs arrive in wet ice?
A. Return the frozen RBCs to the supplier
B. Return the packed RBCs to the supplier\
C. Return all uinits to the supplier
D. Place all units in the proper refrigerator/freezer - -C
- What may be done to RBCs before transfusion to a patient with a cold
agglutinin disease?
A. Irradiate to prevent GVHD
B. Wash with 0.9% saline
C. Warm to 37 C with a blood warmer
D. Transport so that the temperature is maintained at 20-24 C - -A
- A unit of packed RBCs is split using the open system. One of the half units
is used. What may be done with the second half unit?
A. Must be issued within 24 hours
B. Must be issued within 48 hours
C. Must be discarded
D. Retains the original expiration date - -A
