Blood Banking Chapter 11 Review Questions with complete Solutions 100%+
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Course
Blood Bank
Institution
Blood Bank
Blood Banking Chapter 11 Review Questions with complete Solutions 100%+
A newborn phenotypes as group O, D-positive with a 1+ direct antiglobulin test. The mother's antibody screening test is negative. Assuming the antibody screen is valid, one should consider the reason for the positive DAT is du...
Blood Banking Chapter 11 Review Questions with complete Solutions 100%+
A newborn phenotypes as group O, D-positive with a 1+ direct antiglobulin test. The mother's antibody
screening test is negative. Assuming the antibody screen is valid, one should consider the reason for the
positive DAT is due to an antibody against __________ antigen - Answers D antigen (Rh)?? ABO ??
Select the situation where the administration of Rh immune globulin would be contraindicated.
MOTHER NEWBORN
A. r"r; no antibody detected Ror; DAT negative
B. rr; no antibody detected R1r; DAT negative
C. Rr; anti-E detected R2r; DAT positive
D. r"r; 4+ anti-D detected R2r: DAT positive - Answers Rr; anti-E detected R2r; DAT positive and r"r; 4+
anti-D detected DAT positive
Select the true statement regarding ABO hemolytic disease of the fetus and newborn - Answers The
frequency of ABO hemolytic disease of the fetus and newborn is greater than Rh hemolytic disease of
the fetus and newborn.
In testing amniotic fluid, the Liley method of predicting the severity of hemolytic disease of the fetus and
newborn is based on - Answers change in optical densiy measured at 450 nm
What is the most common antibody specificity associated with hemolytic disease of the fetus and
newborn - Answers Anti A, B
Amniotic fluid analysis showed a marked increase into zone III of the Liley graph. Lecithin-sphingomyelin
ratios indicated that the fetal lungs were not mature. Select the most appropriate decision regarding
medical intervention. - Answers An intrauterine transfusion
To prevent graft-versus-host disease, red blood cells prepared for intrauterine transfusions should be -
Answers Irradiated
The Kleihauer Betke test was performed using a 1-hour postdelivery maternal blood sample.
Results: 10 fetal cells/1000 cells counted
It is the policy to add 1 vial of Rh immune globulin to the calculated dose when the estimated volume of
the hemorrhage exceeds 30 mL of whole blood. Calculate the number of vials of Rh immune globulin
that would be indicated under these circumstances - Answers 3
Which elution method is ideal in the investigation of ABO hemolytic disease of the fetus and newborn -
Answers Freeze-thaw
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