RCRL - Arabic Flashcards
The fundamental purpose of the cross match is to
Detect recipient antibodies that are directed against donor red-cell antigens
The most common cause of false-positive anti-D testing is:
Failure to following manufacturer’s directions.
In the ABO blood group, the mating of which two phenotypes can produce offspring with each of the common four blood types?
A and B.
A neonatal patient has the following serologic results:
Neonate: A-negative
Antibody screen: Anti-A,B
DAT: Positive
Mother: 0-positive
Antibody screen: Negative
Which of the following units of blood would be the most suitable for transfusion to this infant?
O-negative
Which one of the following ABO donor-recipient pairings most likely to show a compatible cross match? Antibody screening revealed the absence of unexpected antibodies in the patient.
Donor: group O - patient: group B
A patient has the following ABO typing results:
Anti-A Anti-B Anti-A,B A1 Cells B Cells
4+ 0 4 + 2 + 4 +
Which of the following causes would be the best explanation for these results?
A subgroup of A
A patient has the following ABO typing results:
Anti-A Anti-B Anti-A,B A1 Cells B Cells
4+ 4 + 4 + 0 0
This patient’s ABO blood type is:
AB
A transfusion error in which group A blood is transfused to a group O recipient could result in:
Rapid destruction of transfused red cells.
Renal failure.
Disseminated intravascular coagulation.
A patient has the following Rh antigen typing (phenotyping) results: D+, C+, E-, c-, e+. The patient could have which of the following Rh genotypes?
R1R1
A potential recipient has a record of a previous anti-K antibody. The antibody is no longer demonstrable in his serum even when enhancement techniques are used. Blood for transfusion to this patient should be:
K-negative and cross match compatible
