2027 ACTUAL COMPLETE REAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
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Plastic bag overwraps are recommended when thawing units
of FFP in 37 ˚C
water baths because they
prevent:
a. the FFP bag from cracking when it contacts the warm water
b. water from slowly dialyzing across the bag membrane
c. the entry ports from becoming contaminated with water
d. the label from peeling off as the water circulates in the bath -
ANSWER -c.
the entry ports from becoming contaminated with water
FFP thawed in a water bath should be protected so that entry
ports are not contaminated with water. One can may use a
plastic overwrap or keep ports above the water level.
Which of the following blood components must be prepared
within 8 hours after
phlebotomy?
a. Red Blood
Cells
,b. Fresh Frozen
Plasma
c. Red Blood Cells,
Frozen
d. Cryoprecipitated AHF - ANSWER -b. Fresh
Frozen Plasma
Fresh Frozen Plasma )FFP) must be separated and frozen
within 8 hours of
Whole Blood
collection.
A blood component prepared by thawing Fresh Frozen
Plasma at refrigerator
temperature and removing the fluid
portion is:
a. plasma protein fraction
b. cryoprecipitated AHF
c. factor IX complex
d. FP24 - ANSWER -b. cryoprecipitated AHF
Cryoprecipitate is the fraction of plasma proteins that
precipitate when FFP is
slowly thawed at 1 -
6 ˚C
,Upon inspection, a unit of platelets is noted to have visible
clots, but otherwise
appears normal. The
technologist should:
a. issue without concern
b. filter to remove the clots
c. centrifuge to express off the clots
d. quarantine for Gram stain and culture - ANSWER -d.
quarantine for Gram stain and culture
Clots in the unit may indicate contamination
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.