4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

BLOOD BANK NCA-CLS Q'S

Leave the first rating

STUDY

Flashcards

Learn

Write

Spell

Test

PLAY

Match

Created by

Cesar_Sarmiento9

Terms in this set (45)

Whole blood collected C:35 days

in citrate-phosphate-
dextrose with adenine
(CPDA-1) may be stored
up to?
A: 48 days
B: 21 days
C:35 days
D: 42 days

At what temperature A: 1-6 C, that is the optimal temperature.

should stored blood or They should never exceed 6C
blood products be
stored at?

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 1/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

A: 1-6 C
B: 6-10 C
C: 11-20 C
D:37 C

Upgrade to remove ads Only $0.99/month

Which is the preferred C: Place the component in the bottom of a

method for packing red cardboard box and place on top a well
blood cells products for sealed plastic bag of wet ice.
shipping?
A: Wrap the component
in a plastic bag and
place on dry ice in an
insulated cooler
B: Place the component
in a plastic bag with
crushed ice and seal
carefully before placing
in an insulated cooler
C: Place the component
in the bottom of a
cardboard box and
place on top a well
sealed plastic bag of wet
ice
D: Place a previously
chilled component unit
in an insulating material
such as plastic air bubble
packing or styrofoam
fragments in an insulated
cooler.

Which of the following B: Individual that is 15 years of age. The

individuals may be acceptable blood donation parameters
considered for are, BP 180/100 or lower, max temp 37.5
autologous blood (99.5 F) , and hemoglobin of 12.5 and the
collection though not minimum age is 18.
generellary for
allogeneic whole blood
donation?

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 2/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

A: Individual with blood

pressure of 160/98
B: Individidual that is 15
years of age.
C: Individual with a temp
of 37.5 C (99.5 F)
D: Individual with
hemoglobin of 12.6 d/L

ABO group: A A pos. All donor units must be tested for

Rh: Neg weak D phenotype.
Weak D: pos
Which is the proper
labeling of the donor
unit ?

A: Discard - Rh type
invalid
B: Use for plasma unit
only
C: A neg
D: A pos

A male donor appears to Consult the physician regarding the

be generally healthy with donors medication
no history or travel
outside the united states.
He takes blood pressure
medication twice daily.
Physical examination
reveals his weight is
155lb, hemoglobin is 15.5
, blood pressure is
145/75, oral temp is 37C
and pulse is 55, Based
on the data provided the
laboratory technician
should?
A: Consult the physician
regarding the donors
medication
B: Accept the donor for
plasma donation only
C: Defer the donor
based on the blood
pressure measurement
D: defer the donor
based on the
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 3/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

hemoglobin
measurements.

All of the following steps Antiglobulin serum can be added any time
are important for up to 40 min after completion of washing.
procedures that use
antiglobulin serum Ahg must be added immediately following
except? the completion of washing.

A: Antiglobulin serum
can be added any time
up to 40 min after
completion of washing
B: The cell button should
be fully resuspended in
the residual saline after
the decanting and
before the addition of
wash saline
C: The volume of wash
saline should fill the tube
at least three quarters
full
D: washing is performed
in as short a period of
time as possible

A test tube containing 3+

known antibody and
unknown cells has been 4+ = one large agglutinate, clear
incubated and spun. background
After dislodging the cell 3+ = Several large agglutinates, clear
button several large background
agglutinates are 2+= several agglutinates with a background
apparent with no small of smaller clumps.
clumps and free cells 1+= small clumps with a background of free
visible, The background cells.
solution is clear. The
reaction should be
graded as?

A: 4+
B:3+
C: 2+
D:1+

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 4/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

When performing an Negative.

ABO typing by the gel
method in microtubes,
the cells appear pelleted
at the bottom after the
centrifugation. What is
the interpretation of this
appearance.
A: Negative
B: Weakly positive
C: strongly positive
D: Cannot be
interpreted.

Patient Cells +: Patient is group O.

Anti A : O
Anti B: O
Patient Serum:
A1 cells : 4+
B cells: 3+

The patient's ABO blood

group.
A: O
B: A
C: B
D:AB

Which of the following is C. Rh antibodies react better at 37C than

characteristic of the at room temperature.
reactivity of Rh group
antibodies?
A: Bind complement and
cause in vitro hemolysis
B: Do not react with
enzyme treated cells
C:React better at 37C
than at room
temperature
D: Tento be saline
agglutinins

What are the antibodies Anti A,B,H,P1,LeA, LeB, I, M, N

that react best below
37C
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 5/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

An antibody C: the patient is C negative and could

identification tentatively have produced anti-c
identified a patients
antibody as anti-c . The
following results for the
confirmation of the
antibody identification
are as follows.
Anti C at 37C

Patient cells= 0
Cc control: 1+
CC control: 0

Which of the following is

the correct
interpretation of results?

A:Antigen typing is an
inhibition test; results
indicate that the patient
is c positive
B:the c typing on the
patient cannot be
interpreted because the
positive control reacted
only weakly
C: the patient is C
negative and could have
produced anti-c
D:The patient could not
develop anti-c, so the
antibody identification is
in error.

The fundamental A: detect recipients antibodies that are

purpose of the directed against donor red cell antigens.
crossmatch is to

A: detect recipients
antibodies that are
directed against donor
red cell antigens
B: prevent the
immunization of the
patient

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 6/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

C:Prove that the

recipient does not have
an unexpected antibody
in the serum
D:Verify that the donor
and the recipient are Rh
identical

Choose the preferred D: Group O, Rh negative.

criteria for donor units
when issuing
uncrossmatched blood
for a patient for whom
no pretransfusion testing
can be completed.

A: ABO- and Rh Specific

B: ABO specific, Rh
negative
C: ABO and Rh
compatible
D: Group O, Rh negative.

The crossmatch can be the recipient currently has a negative

limited to procedures to antibody screen and no previous history
detect ABO compatibility of unexpected antibodies
if ?
A: The recipient has been
transfused within the last
72 hours without a
reaction
B:the recipient currently
has a negative antibody
screen and no previous
history of unexpected
antibodies
C: the blood selected for
the recipient is ABO
group and Rh type
specific
D: The recipient is a
newborn who has not
yet developed
unexpected antibodies.

Which of the following D: Group AB with a Group B donor

would be an acceptable
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 7/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

alternative for a packed

red cell transfusion if
ABO group specific
blood were not
available.
A: Group A recipient with
a group B donor
B:Group B recipient with
group AB donor
C: Group O recipient
with a group A donor
D: Group AB with a
Group B donor

A patient has phenotype Anti-c, the chance of producing anti-c is

O, CDEe, IF transfused high at 31%
with blood from six
random group O, Rh
positive donors, the
patient could
theoretically produce
the antibody?
A: Anti D
B:Anti-C
C: anti -c
D: None- the patient is
Rh positive.

If the antiglobulin phase Anti-K, this is also true of the Kidd and
of the crossmatch is Duffy systems which areact best at 37C
omitted, which of the ahg.
following would
probably not be
detected?
A: Anti-K
B: Anti-A
C: Anti P1
D: Anti-N

Which of the following Kleihauer betke acid elution.

tests can be used to
determine the dosage of
Rh-Ig needed for
postpartum women to
prevent Rh sensitization
A: D- Antigen Typing my
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 8/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

microplate
B: Donath landsteiner
test
C: Kleihauer Betke acid
elution
D: Microscopic weak D

All of the women B:Group B, positive antibody screen, Anti-

described below, except D Identified,did not receive antepartum
one, should receive RhIG.
RhIG. All are Rh negative
and Weak D negative, Women candidates for RhIG are RH
and delivered Rh- negative, weak D negative, and deliver Rh
positive infants. Identify Negative infants, and have not developed
the woman who would endogenous Anti-D.
not benefit from the
administration of RhIG.

A: Group O, positive
antibody screen, Anti-D
Identified, received
antepartum RhIG

B:Group B, positive
antibody screen, Anti-D
Identified,did not receive
antepartum RhIG

C:Group A, positive
antibody screen, Anti-K
Identified, did not
receive antepartum RhIG

D:Group O, negative
antibody screen, did not
receive antepartum RhIG

Below are the C: Patient is having a transfusion reaction

preliminary results of the but it is not hemolytic.
investigation of a
reported transfusion For an acute hemolytic reaction we expect
reaction. The trsnafusion the DAT to be positive and/or serum
was stopped after hemolysis.
infusion of A delayed hemolytic reaction will occur
approximately 1/2 unit of days later.
PRBC, The post
transfusion sample was
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 9/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

collected within 30
minutes of the time the
transfusion was stopped.
The patient is Group A
Rh positive and received
group O, Rh negative.

Pre transfusion patient

sample :
DAT= Neg , Serum
Hemolysis= Neg

Post Transfusion sample:

DAT: Neg, Serum
Hemolysis = Neg

Results suggest:

A: Patient is having an
acute hemolytic
transfusion reaction
B: Patient is having a
delayed hemolytic
transfusion reaction
C: Patient is having a
transfusion reaction but
it is not hemolytic
D: patient is not having a
Transfusion reaction.

Results show studies of B: O pos, c neg

maternal and cord blood
yield the following
results:

Maternal Blood: O pos,

Anti-c present
Cord Blood: A pos, DAT
2+, anti-c present

What is the best choice

of blood for an
exchange transfusion?

A: Aneg, c pos
B: O pos, c neg

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 10/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

C: A pos, c pos
D: O neg, c neg
Fresh frozen plasma D: rapid thawing in a microwave not to
should be thawed by? exceed 37C

A:Allowing it to come
slowly to room
temperature
B: Slowly thawing in the
refrigerator to prevent
bacterial growth.
C: rapid thawing in a
water bath at 56 C
D: rapid thawing in a
microwave not to
exceed 37 C

Which of the following is Incineration.

acceptable for the
disposal of blood that
must be discarded?

A: Chemical
Decontamination by
mixing with bleach
B: Freezing with
subsequent quick
thawing resulting in
hemolysis
C: Incineration
D: Irradiation

A unit of PRBC's should 4 hours

be transfused over what
period of time?

A unit of PRBC's has Destroy the unit.

been returned to the
blood bank beyond the
safe period of reissue.
Which of the following
describes the
appropriate disposition
of the unit?

A: Salvage the RBC's by

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 11/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

glycerolization and
freezing.
B: destroy the unit.
C: return the unit to the
refrigerator but
quarantine it for three
days. Return to the
inventory if there is no
history of bacterial
growth.
D: Return to the
inventory if the unit has
nor been entered and is
not hemolyzed

Which of the following green appearance to the plasma.

would not cause a unit of
blood to be quarantined The green appearance to the plasma is
for possible attributable to the breakdown of bilirubin
contamination? by the light to biliverdin.

A: green appearance to
the plasma
B: purple color to the
red cell mass
C: Hemolysis just above
the red cell mass.
D: Blood in the ports

A donor unit contains Use the red blood cells, with the plasma
warm reacting removed
unexpected antibodies.
That unit should be?

A: Treated as any other

unit in transfusion
B:used only for purposes
other than red cell
transfusions.
C:Use the red cells only
as frozen deglycerolized
cells
D: Use the red blood
cells, with the plasma
removed.

All of the following are Anti- Epstein-Barr

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 12/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

tests done on the donor

unit at the donor center
except?

A: HBsAg
B:Anti-HTLV1
C: Anti- Epstein-Barr
D: Anti-HCV

A donor revealed this None.

information,

Traveled to an area
endemic for malaria for
18 months ago, but has
had no antimalarial
drugs or malarial
symptoms.
Has seasonal hay
fever;presently
asymptomatic
Has not eaten for the
past 12 hours
Takes an occasional
sleeping pill

A: none
B: One
C: Two
D: Three

A unit of whole blood is Discarded due to incorrect preparation.

spun using a heavy spin,
and the plasma is The procedure described would result i
removed into a transfer cryo, but this has to be done within 8
pack 24 hours after hours of collection.
collection. The plasma
unit is then frozen solid
and later thawed at 4C.
At which time the liquid
portion is removed. The
remainder of the plasma
unit should be?

A: Labeled as Cryo AHF

and frozen at -30 C
B: Labeled as FFP and
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 13/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

frozen at -18C
C: Placed in the
refrigerator and labeled
liquid plasma
D: Discarded due to
incorrect preparation.

The effectiveness of Pre- storage filtration.

leukocyte reduction of
RBC's can be maximized
by ?

A: Leuko-reduction
immediately before
infussion at the bedside
B: mechanical buffy coat
removal
C: Freezing and
Deglyceralization
D: Pre- storage filtration.

Which of the following Forward group appears to be AB, but the

best reflects the reverse appears to be A
discrepancy seen in a
sample demonstrating
the acquired B- like
phenomenon?
A: Forward group
appears to be B, but the
reverse groups seems to
be O
B: Forward group
appears to be AB, but
the reverse appears to
be A
C: Forward group
appears to be O, but the
reverse group appears
to be B
D: Forward group
appears to be B, but the
reverse group appears
to be AB

Below are the Rh DCe

phenotypes of 4 donor
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 14/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

units. If a patient has

anti-c in the serum,
which of the following
units may he or she
receive without
expecting a reaction due
to this antibody.

A:DCe
B:DCcE
C:DCcEe
D:ce

A donor's cells give DAT.

incompatible major
crossmatches in the The major crossmatch tests the recipient
antiglobulin phase serum against the donor red cells.
testing of sera from Therefore, something on the donor's cells
seven different recipients must be reacting with all the recipient
of the same ABO group sera.
and Rh type as a the
donor, all of whom have
negative antibody
screens. Based on these
results, the donor sample
might be expected to be
positive in.

A: Anti-I testing
B: DAT
C:IAT
D: K-antigen Typing

Which of the following Group O recipient mistyped as A; donor is

differences between A
donors and recipients
will the major
crossmatch performed
at the IS, 37C LISS, and
AHG phases of testing
usually detect? In each
situation, no unexpected
antibodies are present
except those indicated.

A: Group O recipient
mistyped as A; donor is
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 15/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

A
B:Rh negative recipient is
mistyped as Rh positive
but with no unexpected
antibodies ; the donor is
Rh positive.
C: Recipient with AHG
reacting anti JKa, Donor
is JK(a- B+)
D: Rh positive recipient;
donor is Rh negative.

A patient is typed as O Anti K

pos, and crossmatched
with five units of red Anti I and M react best at room
cells. The patients temperature. Anti k is expected to react at
antibody screening test AHG but it is a high incidence antigen.
and one compatibility
test show agglutination
at antiglobulin phase.
The autocontrol is
negative. Of those listed
below, the most
probable antibody
causing this is?

A: Anti-I
B:Anti-K
C:Anti-M
D: Anti-k

What is the Kleihauer- used to determine extent of fetomaternal

Betke test? hemorrhage by estimating
volume of fetal blood volume that entered
maternal circulation.

What is the Kleihauer- # of fetal cells in 2000 cell count x 50/30 =

Betke formula and how doses, round up and add 1.
do you calculate the
doses of RhiG

A mother is group O Rh O, Rh pos. K neg

neg and has anti K in her
serum, her baby is group The blood used for an exchange
B Rh pos and requires transfusion must lack the antigen against

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 16/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

and exchange the maternal antibody and must be

transfusion. Which of the compatible with the baby blood group.
following units would be
expected to be
compatible?

A:O, Rh neg, K pos

B:B, Rh neg, K neg
C: O, Rh pos. K neg
D:B Rh negative, K pos

What is the preferred 65%

HCT in small volume
transfusion given to
neonates.

A:50%
B:45%
C:55%
D: 65%

In urgent situations when Group AB plasma

a crossmatch cannot be
completed and the
recipients blood type is
unknown, Which of the
following components
may be given?

A:Group O plasma
B: Group AB plasma
C: Group A red cells
D: Group AB red cells

Platelet units differ from Multiple units of platelets are combined

other blood products and transfused together
like red blood cells in
that?

A: Multiple units of
platelets are combined
and transfused together
B: There are no
compatibility concerns
with platelet units
C: Platelets cannot be
frozen
https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 17/18
4/8/2020 Study 45 Terms | Biology Flashcards | Quizlet

D: Platelets cannot be
collected by
hemapheresis

Platelets may be pooled ABO group compatible with the recipient

together for ease of
transfusion only if they
are?

A: All of the same ABO

group
B: ABO group specific
for the recipient
C: ABO group
compatible with the
recipient
D: ABO group
compatible with each
other.

YOU MIGHT ALSO LIKE...

Success Ch. 5 Blood Bank (228 ASCP MT Blood Bank

q.)
108 terms
228 terms

morrisja genesis1693

Blood Banking Test 3 Ch 7,8 MLT Blood Bank BOC

63 terms 199 terms

Amy_Canderson ajm_13

1/2

https://quizlet.com/382279019/blood-bank-nca-cls-qs-flash-cards/ 18/18