MLT ASCP BOC Blood Bank Study Guide Rated
A+
1). A blood donor has totype: hh, ab. ing anti-a and anti-b antisera., the donor's red cells will
type as group us?
Ans: O
2). Which of the following is proper procedure for preparation of platelets from whole blood?
Ans: light spin followed by a hard spin
3). The minimum hemoglobin concentration in a finger-stick from a male blood donor is:
Ans: 13.0 g/dL
4). A cause for indefinite deferral of blood donation is:
Ans: Positive test for Trypanosoma cruzi
5). What of the following prospective donors would be accepted for donation?
Ans: 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
6). Which of the following constitutes permanent deferral status of a donor?
Ans: Confirmed positive test for HBsAg 10 years previously
7). According to aabb standards, which of the following donors may be accepted as a blood
donor?
Ans: Spontaneous abortion at 2 months of pregnancy, 3 months previously
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, 8). In order to be a plateletpheresis donor, the platelet count must be at least:
Ans: 150,000/ul
9). Prior to blood donation, the intended venipuncture site must be cleaned with a scrub
solution containing:
Ans: Providone iodine
10). 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?
Ans: 16
11). Which of the following infectious agents relies solely on donor questioning to avoid
transmission from transfused blood products?
Ans: Plasmodium falciparum
12). Which of the following practices at the time of blood cell collection helps minimize
bacterial contamination of platelet products?
Ans: Diversion pouch
13). According to aabb standards, what is the minimum hemoglobin level for an autologous
donor?
Ans: 11.0 g/dL
14). What is/are the minimum pretransfusion testing requirement(s) for autologous donations
collected and transfused by the same facility?
Ans: ABO and Rh typing only
15). Which of the following must be included on the label of a unit of red blood cells leukocytes
reduced?
Ans: Unique collection facility identifier
16). All donor blood testing must include:
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, Ans: serological test for syphilis
17). The test that is currently used to detect donors who are infected with the aids virus is:
Ans: Anti-HIV-1/2
18). Which of the following practices has been useful in reducing the incidence of transfusion
related acute lung injury (trali)?
Ans: Use of Fresh Frozen Plasma from male donors
19). Which of the following infectious agents must be tested for using a nucleic acid testing
(nat) assay?
Ans: HBV
20). What is the primary reason that infectious agents can be transmitted following blood
transfusion?
Ans: Donor in the window period of early infection
21). The transport temperature of red blood cells leukocytes reduced is:
Ans: 1-10 degrees C
22). The transport temperature for apheresis platelets is:
Ans: 20-24 degrees C
23). 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:
Ans: 35 days
24). When platelets are stored on a rotator set on an open bench top, the ambient air
temperature must be recorded:
Ans: Every 4 hours
Which of the following is the correct storage temperature for the component listed?
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, 25).
Ans: Fresh Frozen Plasma -20 C
26). 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?
Ans: Inspect units and established that appropriate temperature has been maintained
27). An acceptable storage temperature for rbc's, frozen is:
Ans: 80 degrees C
28). Rbc's leukocytes reduced must be stored at:
Ans: 1-6 degrees C
29). If the seal is entered on a unit of rbc's stored at 1- 6cwhat is the maximum allowable
storage period in hours?
Ans: 24 hours
30). Cryoprecipitated ahf must be stored at:
Ans: < or equal to -18 C
31). Plasma, frozen within 24 hours after phlebotomy (pf24) and thawed for transfusions has
an expiration of:
Ans: 24 hours
32). Apheresis platelets must be stored at:
Ans: 20-24 degrees C
33). Cryoprecipitated ahf, if maintained in the frozen state at -18*c or below, has a shelf life of:
Ans: 12 months
Thawed plasma must be stored at:
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A+
1). A blood donor has totype: hh, ab. ing anti-a and anti-b antisera., the donor's red cells will
type as group us?
Ans: O
2). Which of the following is proper procedure for preparation of platelets from whole blood?
Ans: light spin followed by a hard spin
3). The minimum hemoglobin concentration in a finger-stick from a male blood donor is:
Ans: 13.0 g/dL
4). A cause for indefinite deferral of blood donation is:
Ans: Positive test for Trypanosoma cruzi
5). What of the following prospective donors would be accepted for donation?
Ans: 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
6). Which of the following constitutes permanent deferral status of a donor?
Ans: Confirmed positive test for HBsAg 10 years previously
7). According to aabb standards, which of the following donors may be accepted as a blood
donor?
Ans: Spontaneous abortion at 2 months of pregnancy, 3 months previously
PaperStoc.com Page 1 of 44
, 8). In order to be a plateletpheresis donor, the platelet count must be at least:
Ans: 150,000/ul
9). Prior to blood donation, the intended venipuncture site must be cleaned with a scrub
solution containing:
Ans: Providone iodine
10). 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?
Ans: 16
11). Which of the following infectious agents relies solely on donor questioning to avoid
transmission from transfused blood products?
Ans: Plasmodium falciparum
12). Which of the following practices at the time of blood cell collection helps minimize
bacterial contamination of platelet products?
Ans: Diversion pouch
13). According to aabb standards, what is the minimum hemoglobin level for an autologous
donor?
Ans: 11.0 g/dL
14). What is/are the minimum pretransfusion testing requirement(s) for autologous donations
collected and transfused by the same facility?
Ans: ABO and Rh typing only
15). Which of the following must be included on the label of a unit of red blood cells leukocytes
reduced?
Ans: Unique collection facility identifier
16). All donor blood testing must include:
PaperStoc.com Page 2 of 44
, Ans: serological test for syphilis
17). The test that is currently used to detect donors who are infected with the aids virus is:
Ans: Anti-HIV-1/2
18). Which of the following practices has been useful in reducing the incidence of transfusion
related acute lung injury (trali)?
Ans: Use of Fresh Frozen Plasma from male donors
19). Which of the following infectious agents must be tested for using a nucleic acid testing
(nat) assay?
Ans: HBV
20). What is the primary reason that infectious agents can be transmitted following blood
transfusion?
Ans: Donor in the window period of early infection
21). The transport temperature of red blood cells leukocytes reduced is:
Ans: 1-10 degrees C
22). The transport temperature for apheresis platelets is:
Ans: 20-24 degrees C
23). 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:
Ans: 35 days
24). When platelets are stored on a rotator set on an open bench top, the ambient air
temperature must be recorded:
Ans: Every 4 hours
Which of the following is the correct storage temperature for the component listed?
PaperStoc.com Page 3 of 44
, 25).
Ans: Fresh Frozen Plasma -20 C
26). 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?
Ans: Inspect units and established that appropriate temperature has been maintained
27). An acceptable storage temperature for rbc's, frozen is:
Ans: 80 degrees C
28). Rbc's leukocytes reduced must be stored at:
Ans: 1-6 degrees C
29). If the seal is entered on a unit of rbc's stored at 1- 6cwhat is the maximum allowable
storage period in hours?
Ans: 24 hours
30). Cryoprecipitated ahf must be stored at:
Ans: < or equal to -18 C
31). Plasma, frozen within 24 hours after phlebotomy (pf24) and thawed for transfusions has
an expiration of:
Ans: 24 hours
32). Apheresis platelets must be stored at:
Ans: 20-24 degrees C
33). Cryoprecipitated ahf, if maintained in the frozen state at -18*c or below, has a shelf life of:
Ans: 12 months
Thawed plasma must be stored at:
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