final review Flashcards
Testing of
the last wash in
the eluate
procedure ensures
that:
a) The check cells will work
b) The antibody identified in
the eluate is the antibody
attached to the red cells
c) The antibody identified in
the eluate should be in the
patient plasma
d) The pH of the eluate
is appropriate for panel cell
testing
b) The antibody identified in
the eluate is the antibody
attached to the red cells
Other than
anti-IgG, what is
in Polyspecific AHG
reagent?
a) IgM
b) C9
c) C3d
d) C4
c) C3d
Which
statement is true
for allo -
adsorption proce
dure?
a) It is utilized when patients
have been recently transfused
b) It removes antibody from
patient cells
c) QC for this procedure
involves testing of the last wash
d) Patient cells are used to
remove autoantibody from their
own plasma
a) It is utilized when patients
have been recently transfused
Which
DAT results
indicate that an
elution should
be performed?
a) AHG + IgG+ C3d-
b) AHG – IgG – C3d
c) AHG + IgG- C3d+
d) AHG + IgG- C3d
a) AHG + IgG+ C3d- (only in evidence of IgG)
Which test
result
differentiates
between high
incident antibody
and autoantibody
workup?
a) Elution
b) Auto Control
c) Adsorption
d) DAT
b) Auto Control
Shortness of
breath indicates
hemolytic anemia,
what test
differentiates
between cold acting
antibodies and warm
acting antibodies
being the cause?
a) Auto control
b) Cold Screen
c) Elution
d) Donath Landsteiner
b) Cold Screen
Which
type of anemia is
not often
associated with
compliment
activation?
a) PCH
b) CAD
c) Drug Adsorption
d) WAIHA
c) Drug Adsorption
Which
antibody is most
likely acting in
this cold screen?
IS 37 AHG CC SC1 3+ 2+ 0 2+ SC2 3+ 2+ 0 2+ SC3 3+ 2+ 0 2+ Cord 3+ 2+ 0 2+
a) Anti-I
b) Anti-IH
c) Anti-i
d) Anti-M
b) Anti-IH
What test
helps to
differentiate
pathologic vs
benign CAD?
a) Antibody ID
b) DAT
c) Antibody Titer
d) Donath Landsteiner
c) Antibody Titer
Which of
the following is
not a control for
the Donath
Landsteiner test?
a) Patient cells + normal plasma
b) Samples kept at 37C until testing
commences
c) Normal plasma + patient plasma
d) Normal plasma
a) Patient cells + normal plasma
This
mechanism of drug
related hemolysis is
less severe with
penicillin and most
severe with
Cefotetan. Which
mechanism is it?
a) Drug Adsorption
b) Immune Complex
c) Membrane Modification
d) Drug-Independent Auto
Antibody
a) Drug Adsorption
Which
transfusion
recommendation
is appropriately
matched to its
autoantibody
diagnosis?
a) Darzalex – don’t transfuse
b) WAIHA – transfuse with blood
warmer
c) CAD – wash the cells
d) Cefotetan – transfuse as normal
d) Cefotetan – transfuse as normal
a) Darzalex – Can xfuse
b) WAIHA – Can’t xfuse
c) CAD – Warm the blood
d) Cefotetan – transfuse as normal (tea blood. stop the drug)
A
crossmatch
sample collected
at 1405
on Monday would
expire on which
day at midnight?
a) Tuesday
b) Wednesday
c) Thursday
d) Friday
c) Thursday
When
should a
transfusionist be
checking vitals?
a) Before the unit is started
b) 15 minutes after unit is started
c) 15 minutes after unit is
completed
d) Both a and b
d) Both a and b
What blood
type donor units should
anti-A,B be used on?
- A neg
- B pos
- AB pos
- O neg
- O neg
What
does NOT have
to be verified
when blood is
read back for
issue?
a) Patient ID
b) Unit ID
c) Visual Inspection
d) Compatibility
e) All have to be verified
e) All have to be verified
What blood
type should a
patient with the
following
serological results
receive?
antiA AntiB AntiD A1 cell Bcell
4+ 0 0 1+ 4+
a) A or O
b) O only
c) A or AB
d) A only
b) O only
