BB - ASCP Study – Misc Exam Questions With Correct Answers
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BB - ASCP
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BB - ASCP
BB - ASCP Study – Misc Exam Questions
With Correct Answers
Which of the following Rh antigens is found in the highest frequency in the Caucasian
population:
a. C
b. E
c. c
d. e - answerd. e
The e antigen is present in 98% of the Caucasian population.
Which one of these Lewis blood group ...
BB - ASCP Study – Misc Exam Questions
With Correct Answers
Which of the following Rh antigens is found in the highest frequency in the Caucasian
population:
a. C
b. E
c. c
d. e - answer✔d. e
The e antigen is present in 98% of the Caucasian population.
Which one of these Lewis blood group phenotypes usually produces anti-Lea
a. Le(a+b+)
b. Le(a+b-)
c. Le(a--b+)
d. Le(a--b-) - answer✔d. Le(a--b-)
This antibody is found in the serum of Le(a-b-) secretors.
When testing a patient with a warm autoantibody, which of the following is the most important
concern?
a. Masking of other clinically significant antibodies
b. Interference of plasma protein with detection methods
d. Interference of rouleaux - answer✔a. Masking of other clinically significant antibodies
Reactivity of a warm autoantibody may mask the presence of other clinically significant
antibodies which adds to the possibility of a transfusion reaction. Further testing should be
performed on the sample to determine if other antibodies are present.
Which unit contains the proper number of platelets from a random donor?
a. 3.8 x 10^10
b. 4.0 x 10^10
c. 4.5 x 10^10
d. 5.8 x 10^10 - answer✔d. 5.8 x 10^10
Platelet concentrates are required to have a minimum of 5.5 x 10^10 platelets/unit. Random
donor platelet concentrates typically contains between 5.5 and 8.5 X 10^10 platelets suspended
in about 50 mL of plasma. This is approximately 70% of the platelets which were present in the
original unit of whole blood collected by the donor.
Which of the following patients are at risk for transfusion-associated graft versus host disease
(TA-GVHD) and require irradiated cellular blood products? (Choose all that apply)
a. Neonates less than 4 months of age
b. Recipients of donor units known to be from a blood relative.
c. Patients with chronic anemias.
d. Patient receiving chemotherapy who are immunocompromised.
e. Patients with a history of allergic reactions. - answer✔a.
b.
d.
Certain recipients have increased risk for developing TA-GVHD. They are:
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