MLS Blood Banking & Transfusion Medicine 3

Question 1

What is the correct storage temperature for packed red blood cells (pRBCs)?

Accepted Answer

1–6°C

Answer

−18°C or colder

Answer

20–24°C

Answer

10–18°C

Question 2

Fresh Frozen Plasma (FFP) is most appropriately indicated for:

Accepted Answer

Multiple coagulation factor deficiencies (e.g., DIC, liver disease, warfarin reversal)

Answer

Isolated Factor VIII deficiency (hemophilia A)

Answer

Thrombocytopenia with active bleeding

Answer

Correction of iron deficiency anemia

Question 3

Cryoprecipitate is the blood product of choice for providing which coagulation factors?

Accepted Answer

Factor VIII, Factor XIII, fibrinogen, and von Willebrand factor

Answer

Factors VII, IX, and X

Answer

Factors II, V, IX, and X (prothrombin complex)

Answer

Factors XI, XII, and prekallikrein

Question 4

Gamma irradiation of blood products is performed primarily to prevent:

Accepted Answer

Transfusion-associated graft-versus-host disease (TA-GvHD)

Answer

Bacterial contamination of the product

Answer

Cytomegalovirus (CMV) transmission

Answer

Febrile non-hemolytic transfusion reactions

Question 5

What is the maximum allowable storage period for packed red blood cells in CPDA-1 preservative solution?

Accepted Answer

35 days

Answer

21 days

Answer

42 days

Answer

56 days

Question 6

Leukoreduction of blood components is performed primarily to reduce the risk of:

Accepted Answer

CMV transmission and febrile non-hemolytic transfusion reactions

Answer

TA-GvHD and platelet refractoriness from HLA antibodies

Answer

Bacterial sepsis and ABO incompatibility

Answer

Anaphylaxis and hyperkalemia

Question 7

Which blood group system, beyond ABO and Rh, is most notorious for causing severe delayed hemolytic transfusion reactions (DHTRs)?

Accepted Answer

Kidd (Jk) system

Answer

MNS system

Answer

Lewis system

Answer

P1PK system