MLT ASCP BOC BLOOD BANK EXAM 2024-2025 |ACTUAL
COMPLETE QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS ) ALREADY GRADED A+.
A blood donor has totype: hh, AB. ing anti-A and anti-B antisera., the
donor's red cells will type as group US?ANSWER -O
which of the following is proper procedure for preparation of platelets
from Whole blood?ANSWER -light spin followed by a hard spin
The minimum hemoglobin concentration in a finger-stick from a male
blood donor is:ANSWER -13.0 g/dL
A cause for indefinite deferral of blood donation is:ANSWER -Positive
test for Trypanosoma cruzi
What of the following prospective donors would be accepted for
donation?ANSWER -22-year-old college student who has a
temperature of 99.2 degrees F (37.7 C) and states that he feels well,
but is nervous about donating
Which of the following constitutes permanent deferral status of a
donor?ANSWER -Confirmed positive test for HBsAg 10 years
previously
,According to AABB standards, which of the following donors may be
accepted as a blood donor?ANSWER -Spontaneous abortion at 2
months of pregnancy, 3 months previously
In order to be a plateletpheresis donor, the platelet count must be at
least:ANSWER -150,000/ul
Prior to blood donation, the intended venipuncture site must be
cleaned with a scrub solution containing:ANSWER -Providone iodine
A donor who has just donated 2 units of Apheresis Red Blood Cells
will be deferred from further blood donation for a minimum of how
many weeks?ANSWER -16
Which of the following infectious agents relies solely on donor
questioning to avoid transmission from transfused blood
products?ANSWER -Plasmodium falciparum
Which of the following practices at the time of blood cell collection
helps minimize bacterial contamination of platelet products?ANSWER
-Diversion pouch
According to AABB standards, what is the minimum hemoglobin level
for an autologous donor?ANSWER -11.0 g/dL
,What is/are the minimum pretransfusion testing requirement(s) for
autologous donations collected and transfused by the same
facility?ANSWER -ABO and Rh typing only
Which of the following must be included on the label of a unit of Red
Blood Cells Leukocytes Reduced?ANSWER -Unique collection facility
identifier
All donor blood testing must include:ANSWER -serological test for
syphilis
The test that is currently used to detect donors who are infected with
the AIDS virus is:ANSWER -Anti-HIV-1/2
Which of the following practices has been useful in reducing the
incidence of Transfusion Related Acute Lung Injury
(TRALI)?ANSWER -Use of Fresh Frozen Plasma from male donors
Which of the following infectious agents must be tested for using a
nucleic acid testing (NAT) assay?ANSWER -HBV
What is the primary reason that infectious agents can be transmitted
following blood transfusion?ANSWER -Donor in the window period of
early infection
The transport temperature of Red Blood Cells Leukocytes Reduced
is:ANSWER -1-10 degrees C
, The transport temperature for Apheresis Platelets is:ANSWER -20-24
degrees C
A unit of RBC's 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 in:ANSWER -35 days
When platelets are stored on a rotator set on an open bench top, the
ambient air temperature must be recorded:ANSWER -Every 4 hours
Which of the following is the correct storage temperature for the
component listed?ANSWER -Fresh Frozen Plasma -20 C
Six units of RBC's are issued to the OR at 9am in a cooler, validated
to maintain a temperature of 1-10 degrees C for 2 hours. 40 minutes
later, the cooler containing the units of blood is returned to the blood
bank as surgery was cancelled. What should be done with these
units?ANSWER -Inspect units and established that appropriate
temperature has been maintained
An acceptable storage temperature for RBC's, frozen is:ANSWER -80
degrees C
RBC's leukocytes reduced must be stored at:ANSWER -1-6 degrees C
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