Page 1 of 232
BOC MLS (ASCP) Exam COMPLETE 500 QUESTIONS
AND CORRECT VERIFIED ANSWERS LATEST UPDATE
JUST RELEASED THIS YEAR
What must be included on the label of a unit of RBC leukocytes reduced
Unique collection facility identifier
All donor blood testing must include
Serological testing for syphilis
What is not a useful strategy to reduce bacterial contamination in platelet components
using green soap scrub to disinfect venipuncture site
What practice has been useful in reducing the incidence of transfusion related acute lung
injury (TRALI)
use of FFP from male donors
In allogenic blood donation, which infectious agent must also include a nucleic acid testing
assay (NAT)
HBV
1
SUCCESS!
,Page 2 of 232
What is the primary reason that infectious agents can be transmitted following blood
transfusion
Donor in the window of early infection
Apheresis platelets that will undergo pathogen reduction technology do not require
culture based testing for bacteria
A blood donor sample is Rh negative at immediate spin would need what additional testing
Weak D
What course of action must be performed immediately if a sample from an apheresis platelet
undergoing culture-based testing indicates bacterial growth
retrieve the unit if issued for transfusion
A sample of blood from each donation is tested for what infectious disease agents
HIV-1/2, HTLV-I/II, WNV, HCV
The transport temperature for RBC is
1-10 degrees C
The transport temperature for Apheresis Platelets is
20-24 degrees C
2
SUCCESS!
,Page 3 of 232
A unit of RBC expiring in 35 days is split into 5 small aliquots must be labeled as expiring in
35 days
When platelets are stored on a rotator set on a open bench top, the ambient temperature
must be recorded
every 4 hours
What is the correct storage temperature for FFP
-20 degrees C
Six units of RBC are issued to the OR at 9 am in a cooler, validated to maintain a temp of 1-10
degrees for 2 hours. The cooler containing the units of blood is returned to the Blood Bank 40
minutes later, what should be done with these units
Inspect units and establish that appropriate temperature has been maintained
An acceptable storage temperature for Frozen RBC is
-80 degrees C
RBC, leukocytes reduced must be stored at
1-6 degrees C
If the seal is entered or broken on a unit of RBC stored at 1-6 degrees C, what is the maximum
allowable storage period, in hours
3
SUCCESS!
, Page 4 of 232
24
Cryoprecipitated AHF must be stored at
less than or equal to 18 degrees C
Plasma frozen within 24 hours after phlebotomy (PF24) and thawed for transfusion has an
expiration of
24 hours
Apheresis platelets must be stored at
20-24 degrees C
Cryoprecipitated AHF, if maintained at the frozen state at -18 degrees C or below, has a shelf
life of
12 months
Thawed plasma must be stored at
1-6 degrees C
During storage, the concentration of 2, 3-diphosphoglycerate (2, 3-DPG) decreases in a unit of
Red Blood Cells
Upon inspection, a unit of apheresis platelets is noted to have visible clots, but otherwise
appears normal. The technologist should
4
SUCCESS!
BOC MLS (ASCP) Exam COMPLETE 500 QUESTIONS
AND CORRECT VERIFIED ANSWERS LATEST UPDATE
JUST RELEASED THIS YEAR
What must be included on the label of a unit of RBC leukocytes reduced
Unique collection facility identifier
All donor blood testing must include
Serological testing for syphilis
What is not a useful strategy to reduce bacterial contamination in platelet components
using green soap scrub to disinfect venipuncture site
What practice has been useful in reducing the incidence of transfusion related acute lung
injury (TRALI)
use of FFP from male donors
In allogenic blood donation, which infectious agent must also include a nucleic acid testing
assay (NAT)
HBV
1
SUCCESS!
,Page 2 of 232
What is the primary reason that infectious agents can be transmitted following blood
transfusion
Donor in the window of early infection
Apheresis platelets that will undergo pathogen reduction technology do not require
culture based testing for bacteria
A blood donor sample is Rh negative at immediate spin would need what additional testing
Weak D
What course of action must be performed immediately if a sample from an apheresis platelet
undergoing culture-based testing indicates bacterial growth
retrieve the unit if issued for transfusion
A sample of blood from each donation is tested for what infectious disease agents
HIV-1/2, HTLV-I/II, WNV, HCV
The transport temperature for RBC is
1-10 degrees C
The transport temperature for Apheresis Platelets is
20-24 degrees C
2
SUCCESS!
,Page 3 of 232
A unit of RBC expiring in 35 days is split into 5 small aliquots must be labeled as expiring in
35 days
When platelets are stored on a rotator set on a open bench top, the ambient temperature
must be recorded
every 4 hours
What is the correct storage temperature for FFP
-20 degrees C
Six units of RBC are issued to the OR at 9 am in a cooler, validated to maintain a temp of 1-10
degrees for 2 hours. The cooler containing the units of blood is returned to the Blood Bank 40
minutes later, what should be done with these units
Inspect units and establish that appropriate temperature has been maintained
An acceptable storage temperature for Frozen RBC is
-80 degrees C
RBC, leukocytes reduced must be stored at
1-6 degrees C
If the seal is entered or broken on a unit of RBC stored at 1-6 degrees C, what is the maximum
allowable storage period, in hours
3
SUCCESS!
, Page 4 of 232
24
Cryoprecipitated AHF must be stored at
less than or equal to 18 degrees C
Plasma frozen within 24 hours after phlebotomy (PF24) and thawed for transfusion has an
expiration of
24 hours
Apheresis platelets must be stored at
20-24 degrees C
Cryoprecipitated AHF, if maintained at the frozen state at -18 degrees C or below, has a shelf
life of
12 months
Thawed plasma must be stored at
1-6 degrees C
During storage, the concentration of 2, 3-diphosphoglycerate (2, 3-DPG) decreases in a unit of
Red Blood Cells
Upon inspection, a unit of apheresis platelets is noted to have visible clots, but otherwise
appears normal. The technologist should
4
SUCCESS!
