SBB ASCP Practice Test Questions and Verified Approved Answers Graded 100% A +
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SBB
Institution
SBB
- CORRECT ANSWER -In enzyme-linked immunosorbent assay for hepatitis B surface
antigen, the second antibody linked to
a reporter enzyme is called:
a. Target antibody
b. Conjugate
c. Capture antibody
d. Surrogate
a. 32%
[2(.8)(.2)= 32] - CORRECT ANSWER -The gene frequency of a new antigen...
- CORRECT ANSWER ✔✔ -In enzyme-linked immunosorbent assay for hepatitis B surface
antigen, the second antibody linked to
a reporter enzyme is called:
a. Target antibody
b. Conjugate
c. Capture antibody
d. Surrogate
a. 32%
[2(.8)(.2)= 32] - CORRECT ANSWER ✔✔ -The gene frequency of a new antigen BBa is 0.8.
How many individuals would be expected to be BBa BBb?
a. 32%
b. 40%
c. 64%
d. 80%
a. 80 mg/dL
,(1 vol removes 63%; 210x.63=132) - CORRECT ANSWER ✔✔ -A patient has a cholesterol of
210 mg/dl. As a measure of the effectiveness of a therapeutic plasma exchange procedure, a
cholesterol level is performed immediately following the procedure. After a one-volume
exchange using 5% albumin as the replacement fluid, you would expect to find an approximate
cholesterol value of:
a. 80 mg/dL
b. 100 mg/dL
c. 150 mg/dl
d. 200 g/dl
a. Accept the donor. - CORRECT ANSWER ✔✔ -A 64-year-old male prospective donor states
that he had a positive TB skin test one year ago. When further questioned, he states that the x-ray
was done and was negative with no other abnormal
findings. You should:
a. Accept the donor.
b. Defer the donor for 6 months.
c. Defer the donor for 1 year.
d. Defer the donor indefinitely.
a. Anti-C, -e, -Jkb
(adsorb out anti-c, -E, -Jka) - CORRECT ANSWER ✔✔ -If alloantibodies are present, which
would remain in the patient serum after allogeneic adsorption with
,an adsorbing cells that is phenotype R2R2, Jk(a+b-)?
a. Anti-C, -e, -Jkb
b. Anti-c, -E, -Jka
c. Anti-C, -e, -Jk3
d. Anti-O, -C, -E, -Jkb
a. Anti-HLA Class I - CORRECT ANSWER ✔✔ -Platelet refractoriness is caused primarily by?
a. Anti-HLA Class I
b. Anti-HPA-1 a
c. Anti-HPA-1 b
d. Anti-HNA-1 a
e. ABO incompatible plasma
a. Bacterial contamination - CORRECT ANSWER ✔✔ -During the transfusion of pooled
platelets, the patient develops fever, shock, facial flushing, abdominal cramp and nausea. These
symptoms are most consistent with:
a. Bacterial contamination
b. Febrile non-hemolytic transfusion reaction
c. Hemolytic transfusion reaction
d. Transfusion related acute lung injury
e. Urticaria! reaction
, a. C3b - CORRECT ANSWER ✔✔ -CR1 receptors on macrophages recognize:
a. C3b
b. C3c
c. C4c
d. C4d
a. CD4+ - CORRECT ANSWER ✔✔ -T helper cells are:
a. CD4+
b. CD8+
C. CD44+
d. CD55+
a. DDAVP - CORRECT ANSWER ✔✔ -A 5-year-old boy presented with a bruised arms and
legs. His mother stated that the bruising typically
appeared without injury. Past medical history revealed that at 3 years of age the patient had an
episode of nosebleed that required transfusion of one unit of blood. There was a family history of
bleeding on the maternal side of the family. The patient's mother and maternal grandmother had
abnormal bleeding. Physical examination revealed multiple bruises over the extremities.
Laboratory testing shows the following results. PT 12.5 sec, PTT 39 sec, Platelets 255,000/uL
Factor VIII level 60%, vWF:Aa 40%
Which of the following is a treatment option?
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