Blood Bank ASCP 2026 Exam || Most Recent Exam 2026-2027
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Which of the following is proper procedure for preparation
of Platelets from
Whole
Blood?
a. light spin followed by a hard spin
b. light spin followed by 2 hard spins
c. 2 light spins
d. hard spin followed by a light spin - ANSWER -a. light spin
followed by a hard spin
Whole blood-derived Platelets are prepared by a light spin to
separate the Red Blood Cells from the platelet-rich plasma
(PRP), followed by a heavy spin of the PRP to concentrate the
platelets.
A unit of Whole Blood-derived (random donor) Platelets should
contain at least:
a. 1.0 x 10 to the 10th platelets
b. 5.5 x 10 to the 10th platelets
,c. 5.5 x 10 to the 11th platelets
d. 90% of the platelets from the original unit of Whole Blood -
ANSWER -b. 5.5 x 10 to the 10th platelets
Whole blood-derived (random donor) Platelets should contain
at least 5.5 x 10 to the 10th platelets, be stored with continuous
agitation at 20˚ - 24˚C, and have a pH of 6.2 or higher when
tested at the end of the storage period.
Platelets prepared by apheresis should contain at least:
a. 1 x 10 to the 10th
platelets
b. 3 x 10 to the 10th
platelets
c. 3 x 10 to the 11th
platelets
d. 5 x 10 to the 11th platelets - ANSWER -c. 3 x 10 to the
11th platelets
Apheresis (single donor) Platelets should contain at least 3.0 x
10 to the 11th platelets, be stored with continuous agitation at
20˚ - 24˚C, and have a pH of 6.2 or higher when tested at the
end of the storage period.
A father donating Platelets for his son is connected to a
continuous flow machine, which uses the principle of
centrifugation to separate Platelets from Whole Blood. As the
Platelets are harvested, all other remaining elements are
,returned to the donor. This method of Platelet collection is
known as:
a. apheresis
b. autologous
c. homologous
d. fractionation - ANSWER -a. apheresis
The apheresis process is to remove whole blood, the desired
component removed, and the remaining portion of blood
returned to the donor/patient.
To qualify as a donor for autologous transfusion a patient's
hemoglobin should
be at
least:
a. 8 g/dL (80
g/dL)
b. 11 g/dL (110
g/dL)
c. 13 g/dL (130
g/dL)
d. 15 g/dL (150 g/dL) - ANSWER -b. 11 g/dL
(110 g/L)
Autologous donors have less stringent criteria than
allogeneic donors.
, Donations must be collected at least 72 hours
prior to surgery.
What is/are the minimum pretransfusion testing
requirement(s) for autologous
donations collected and transfused by the
same facility?
a. ABO and Rh typing only
b. ABO/Rh type, antibody screen
c. ABO/Rh type, antibody screen, crossmatch
d. no pretransfusion testing is required for autologous
donations. - ANSWER -a. ABO and Rh typing only
Only ABO and Rh is required with the patient's sample. Each
autologous unit
must be confirmed for ABO and Rh from an integrally
attached segment.
Refer to the following diagram:
Given the most probable genotypes of the parents, which
of the following
statements best describes the most probable Rh genotypes of
the 4 children?
a. 2 are R1r, 2 are
R1R1
Actual Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam | Just Released!!
Which of the following is proper procedure for preparation
of Platelets from
Whole
Blood?
a. light spin followed by a hard spin
b. light spin followed by 2 hard spins
c. 2 light spins
d. hard spin followed by a light spin - ANSWER -a. light spin
followed by a hard spin
Whole blood-derived Platelets are prepared by a light spin to
separate the Red Blood Cells from the platelet-rich plasma
(PRP), followed by a heavy spin of the PRP to concentrate the
platelets.
A unit of Whole Blood-derived (random donor) Platelets should
contain at least:
a. 1.0 x 10 to the 10th platelets
b. 5.5 x 10 to the 10th platelets
,c. 5.5 x 10 to the 11th platelets
d. 90% of the platelets from the original unit of Whole Blood -
ANSWER -b. 5.5 x 10 to the 10th platelets
Whole blood-derived (random donor) Platelets should contain
at least 5.5 x 10 to the 10th platelets, be stored with continuous
agitation at 20˚ - 24˚C, and have a pH of 6.2 or higher when
tested at the end of the storage period.
Platelets prepared by apheresis should contain at least:
a. 1 x 10 to the 10th
platelets
b. 3 x 10 to the 10th
platelets
c. 3 x 10 to the 11th
platelets
d. 5 x 10 to the 11th platelets - ANSWER -c. 3 x 10 to the
11th platelets
Apheresis (single donor) Platelets should contain at least 3.0 x
10 to the 11th platelets, be stored with continuous agitation at
20˚ - 24˚C, and have a pH of 6.2 or higher when tested at the
end of the storage period.
A father donating Platelets for his son is connected to a
continuous flow machine, which uses the principle of
centrifugation to separate Platelets from Whole Blood. As the
Platelets are harvested, all other remaining elements are
,returned to the donor. This method of Platelet collection is
known as:
a. apheresis
b. autologous
c. homologous
d. fractionation - ANSWER -a. apheresis
The apheresis process is to remove whole blood, the desired
component removed, and the remaining portion of blood
returned to the donor/patient.
To qualify as a donor for autologous transfusion a patient's
hemoglobin should
be at
least:
a. 8 g/dL (80
g/dL)
b. 11 g/dL (110
g/dL)
c. 13 g/dL (130
g/dL)
d. 15 g/dL (150 g/dL) - ANSWER -b. 11 g/dL
(110 g/L)
Autologous donors have less stringent criteria than
allogeneic donors.
, Donations must be collected at least 72 hours
prior to surgery.
What is/are the minimum pretransfusion testing
requirement(s) for autologous
donations collected and transfused by the
same facility?
a. ABO and Rh typing only
b. ABO/Rh type, antibody screen
c. ABO/Rh type, antibody screen, crossmatch
d. no pretransfusion testing is required for autologous
donations. - ANSWER -a. ABO and Rh typing only
Only ABO and Rh is required with the patient's sample. Each
autologous unit
must be confirmed for ABO and Rh from an integrally
attached segment.
Refer to the following diagram:
Given the most probable genotypes of the parents, which
of the following
statements best describes the most probable Rh genotypes of
the 4 children?
a. 2 are R1r, 2 are
R1R1
