Blood bank study Word Scramble
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Question | Answer |
Minimum hemoglobin concentration in a finger stick | 12.5 g/dL |
Prior to blood donation the site must be cleaned with | Iodine |
During preparation of Platelet Concentrated from Whole Blood the blood should be | cooled towards 20-24 C |
The Western blot is a confirmatory test for presence of | anti-HIV-1 |
The test that is currently used to detect donors who are infected with AIDS virus is | Anti-HIV 1,2 |
A commonly used screening method for anti-HIV-1 detection is | ELISA |
A unit of packed cells is split into 2 aliquots under closed sterile conditions at 8AM. The expiration time for each aliquot is now | the original date. Sterile conditions allow expiration date to remain the same |
When platelets are stored on a rotator set on an open bench top the ambient air tempered must be recorded | every 4 hours |
The optimum storage temperature for RBCs is | 1-6 C |
If the seal is entered on a unti of RBCs stored at 1-6 C what is the maximum allowed storage period in hours | 24 hours |
The optimum temperature for cryoprecipitated AHF is | < -18 C |
Platelets prepared in polyolefintype container stored at 22-24 C in 50mL of plasma and gently agitated can be used for up to | 5 days |
cryoprecipitated AHF must be transfused within what period of time after thawing | 4 hours |
optimum storage temperature for platelets is | 20-24 C |
According to AABB standards, Fresh Frozen Plasma must be infused within what period of time after thawing | 24 hours |
Cryoprecipitated AHF if maintained in the frozen state at <-18 C has a shelf life of | 12 months |
In the liquid state plasma must be stored at | 1-6 C |
Iradiation of a unit of RBCs is done to prevent the replication of donor | lymphocytes |
Which blood components must be prepared with 8 hours after donation | Fresh Frozen Plasma |
A blood component prepared by thawing Fresh Frozen Plasma at refrigerator temperature and removing fluid portion is | Cryoprecipitated AHF |
Upon inspection a unit of platelets is noted to have visible clots but otherwise appears normal. The tech should | quarantine for Gram stain and culture, clots could be a sign of contamination |
Which of the following is proper procedure for preparation of Platelets from whole blood light spin followed by a hard spin lightspin followed by 2 hard spins 2 light spins hard spin followed by a light spin | light spin followed by a hard spin |
A unit of whole blood-derived Platelets should contain at least | 5.5x10 to the 10th platelets |
Platelets prepared by apheresis should contain at least | 3x10 to the 11th platelets |
To qualify for autologous donation and transfusion a patients hemoglobin must be at least | 11g/dL |
what is the minimum pretransfusion testing requirements for autogolous units | ABO and Rh typing only |
The linked HLA gene on each chrosome constitutes | haplotype |
anti-D + anti-C + anti-E = anti-c + anti-e + most probable genotype | DCe/dce (R1,r) |
A blood donor has the genotype hh, AB. What is the phenotype | O with no H precursor donor can not have A or B antigens |
An individual has been sensitized to the k antigen and has produced anti-k. What is the most probable Kell genotype? | KK No little k antigen. |
Most blood group systems are inherited as | autosomal codominant |
anti-C + anti-D + anti-E + anti-c + anti-e + most probable genotype | DCcEe DCe/DcE R1,R2 |
anti-D + anti-C = anti-E = genotype RR R1r R1R2 Rzr | RR |
Which of the following genotypes reacts with anti-f rr R1R1 R2R2 R1R2 | rr Anti-f will react with cells containing c and e on the same Rh polypeptide. |
anti-D + anti-C + anti-E + anti-c + anti-e + anti-f = | DCe/DcE R1R2 |
Created by:
ericaj
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