ASCP MLT Blood Bank
A cause for indefinite defferal of blood donations is? - ✅✅-A positive test for
Trypanosoma Cruzi
✅✅
A donor who has just donated units of apheresis RBCs will be deferred from
further blood donation for a minimum of how many weeks? - -16
A patient is group O, Rh negative with anti-D and anti-K. What percentage of the
✅✅
general Caucasian donor population would be compatible with this patient? -
-6.0
A unit of RBC expiring in 35 days is split into 5 small aliquots using a sterile
✅✅
pediatric quad set and a sterile connecting device. Each aliquot must be labeled
as expiring when? - -35 days
✅✅
A unit of RBCs that expires in 32 days has just been irradiated. The expiration
date is? - -Reduced by 4 days
✅✅
According to AABB standards, at least 90% of all Apheresis Platelets units tested
shall contain a minimum of how many platelets? - -3.0 * 10^11
✅✅
According to AABB standards, Fresh Frozen Plasma must be infused within what
period of time following thawing? - -24 hours FFP
✅✅
According to AABB standards, platelets prepared from whole blood shall have at
least? - -5.5 * 10^10 platelets per unit in at least 90% of the units tested
✅✅
According to AABB standards, what is the minimum hemoglobin level for an
autologous donor? - -11.0 g/dL
✅✅
According to AABB standards, what is the minimum pH required for Apheresis
Platelets at the end of the storage period? - -6.2
✅✅
According to AABB standards, which of the following donors may be accepted as
a blood donor? - -Spontaneous abortion at 2 months of pregnancy, 3
months previously
, All donor blood testing must include? - ✅✅-serological test for syphilis
An acceptable storage temperature for RBCs, frozen is? - ✅✅--80 degrees C
An important determinate of platelet viability during storage is? - ✅✅-Plasma
pH
✅✅
An individual has been sensitized to the k antigen and has produced anti-k. What
is the most probable Kell system genotype? - -KK
Anti K is identified in a patients serum. If random crossmatches are performed on
✅✅
10 donor units, approximately how many would be expected to be compatible? -
-9
Anti-Fya? -✅✅-capable of causing hemolytic transfusion reactions
Apheresis platelets must be stored at? - ✅✅-20-24 degrees C
✅✅
Cold agglutinin disease is associated with an antibody specificity toward which of
the following? - -I
Cryoprecipitated AHF must be stored at? - ✅✅-<-18 degrees C
✅✅
Cryoprecipitated AHF must be transfused within what period of time following
thawing and pooling? - -4 hours cyro
✅✅
Cryoprecipitated AHF, if maintained in the frozen state at -18 degrees or below,
has a shelf life of? - -12 months
Cryoprecipitated AHF? - ✅✅-is indicated for fibrinogen deficiencies
✅✅
During the preparation of Platelets from Whole Blood, the blood should be? -
-Cooled towards 20-24 degrees C
✅✅
Even in the absence of prior transfusion or pregnancy, individuals with the
Bombay phenotype (Oh) will always have naturally occurring? - -Anti H
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