blood bank self test
An adult male patient who is actively bleeding has the following test results
ABO: AB Rh: Negative Antibody screening: Negative
Six units of Red Blood Cells are ordered stat. The Blood Bank has the
following Red Blood Cell units available:
A, Rh-positive 12 units
B, Rh-positive 2 units
AB, Rh-positive 4 units
A, Rh-negative 4 units
B, Rh-negative 2 units
✅✅
Which of the following should be crossmatched for this patient while more
blood is being ordered: - -4 A, Rh-negative and 2 A, Rh-positive
✅✅
According to AABB standards, which of the following donors may be accepted
as a blood donor: - -spontaneous abortion at 2 months of pregnancy, 3
months ago
A woman who was requested to be a directed donor had a mastectomy with
radiotherapy for breast carcinoma 5 years ago. Currently, she is well and has
✅✅
a hemoglobin of 14 g/dL and a hematocrit of 41%. The blood bank should: -
-defer the donor permanently
An O negative mother delivers an Rh positive infant. FOllowing delivery, the
✅✅
mother's serum demonstrates a weak mixed field anti-D reaction. Which of the
following is the most probable explanation for these results: - -large
fetomaternal hemorrhage
✅✅
Fresh Frozen Plasma from a group A, Rh-positive donor may be safely
transfused to a patient who is group: - -A, Rh-negative
Compatibility testing was negative in all phases, except for a positive
✅✅
autocontrol at AHG. The most probable explanation for these findings is that
the: - -patient has a positive direct antiglobulin test
The antibodies of the Kidd blood group system: - ✅✅-React best by the
indirect antiglobulin test
, ✅✅
Which of the following prospective donors would be accepted for donation: -
-22-year-old college student who has a temperature of 99.2 degrees F
and states that he feels well but is nervous about donating
Mixed-field reactions with anti-A and anti-A,B and negative reactions with
✅✅
anti-B and anti-A1 lectin (Dolichos biflorus) are observed. Without further
testing, the most likely conclusion is that the patient is group: - -A3
✅✅
Which of the following red cell typings would most commonly be found in the
black donor population: - -Fy(a-b-)
✅✅
Following delivery, what is the single best test for the diagnosis of HDN: -
-DAT on cord blood
✅✅
The most common reason for an exchange transfusion after delivery of a baby
with HDN is: - -kernicterus
During initial investigation of a suspected hemolytic transfusion reaction, it
was observed that the posttransfusion serum was yellow in color and the
✅✅
direct antiglobulin test was negative. What is the next step in this investigation:
- -No further serologic testing is necessary.
Refer to the following data:
Hemoglobin: 7.4 g/dL Reticulocyte Count: 22%
Direct Antiglobulin Test: Polyspecific = 3+
IgG = 3+ C3 = 0
✅✅
Antibody Screen IAT: SC I = 3+, SC II = 3+, Autocontrol = 3+ Which clinical
condition is consistent with the lab results shown above: - -warm
autoimmune hemolytic anemia
✅✅
Washed Red Blood Cells would be the product of choice for a patient with: -
-anti-IgA antibodies
✅✅
The process of separation and recovery of an antibody from a sensitized RBC
is: - -elution
The following results were obtained on a patients blood group and type during
routine ABO and Rh testing
Cell Testing Serum Testing
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