What is the rationale for the use of washed packed red blood cells for transfusion?
a. To reduce the risk of a febrile reaction
b. To reduce the risk of hypothermia
c. To remove potential harmful particles from the blood
d. To clean the blood cells of impurities
ANS: A
The washing process removes almost all the plasma and can decrease the risk or severity of a febrile reaction. Hypothermia risk is reduced by warming blood. Harmful particles can be removed with filtering. There is no process that removes impurities from cells.
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