| Blood Bank | Chemistry | Hematology | Microbiology | Urinalysis & Body Fluids |
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Which of the following is the correct storage temperature for the component listed?
a. Cryoprecipitated AHF, 4°C
b. Fresh Frozen Plasma (FFP), -20°C c. Red Blood Cells, Frozen, -40°C d. Platelets, 37°C |
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Which red cells of a nonsecretor (se/se) will most likely type as:
a. Le (a-b-)
b. Le (a+,b+) c. Le (a+b-) d. Le (a-b+) |
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The main purpose of performing antibody titers on serum from prenatal immunized women is to:
a. determine the identity of the antibody
b. identify candidates for amniocentesis or percutaneous umbilical blood sampling c. decide if the baby needs an intrauterine transfusion d. determine if early induction of labor is indicated |
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A 25-year-old Caucasian woman, gravida 3, para 2, required 2 units of Red Blood Cells. The antibody screen was positive and the results of the antibody panel are shown below:
Cell D C c E e K JKa JKb Lea Leb M N P1 37°C AHG 1 + + 0 0 + + + + 0 + + + + 0 0 2 + + 0 0 + 0 + 0 0 + + 0 0 0 0 3 + 0 + + 0 0 + + 0 + + + + 0 1+ 4 + + + 0 + 0 0 + 0 + + 0 + 0 1+ 5 0 0 + 0 + 0 + + 0 + + 0 0 0 1+ 6 0 0 + + + 0 + 0 + 0 + + 0 0 1+ 7 0 0 + 0 + + + + + 0 + + + 0 1+ 8 0 0 + 0 + 0 0 + 0 + 0 + + 0 0 Auto 0 0 Which of the following antibodies may be the cause of the positive antibody screen?
a. anti-M and anti-K
b. anti-c and anti-E c. anti-JKa and anti-c d. anti-P1 and anti-c |
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A patient has become refractory to platelet transfusion. Which of the following are probable causes?
a. transfusion of Rh-incompatible platelets
b. decreased pH of the platelets c. development of an alloantibody with anti-D specificity d. development of antibodies to HLA antigen |
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