Exam 21: The Hla System
Exam 1: Red Blood Cells and Platelet Preservation: Historical Perspectives and Current Trends44 Questions
Exam 2: Basic Genetics40 Questions
Exam 3: Fundamentals of Immunology68 Questions
Exam 4: Concepts in Molecular Biology44 Questions
Exam 5: The Antiglobulin Test45 Questions
Exam 6: The Abo Blood Group System70 Questions
Exam 7: The RH Blood Group System51 Questions
Exam 8: Blood Group Terminology and the Other Blood Groups214 Questions
Exam 9: Detection and Identification of Antibodies76 Questions
Exam 10: Pre-Transfusion Testing63 Questions
Exam 11: Overview of the Routine Blood Bank Laboratory36 Questions
Exam 12: Other Technologies and Automation20 Questions
Exam 13: Donor Screening and Component Preparation33 Questions
Exam 14: Apheresis57 Questions
Exam 15: Transfusion Therapy97 Questions
Exam 17: Cellular Therapy99 Questions
Exam 18: Transfusion-Transmitted Diseases41 Questions
Exam 19: Hemolytic Disease of the Fetus and Newborn55 Questions
Exam 20: Autoimmune Hemolytic Anemias66 Questions
Exam 21: The Hla System46 Questions
Exam 22: Relationship Testing25 Questions
Exam 23: Quality Management20 Questions
Exam 24: Transfusion Safety and Federal Regulatory Requirements26 Questions
Exam 24: Utilization Management8 Questions
Exam 25: Laboratory Information Systems32 Questions
Exam 26: Medicolegal and Ethical Aspects of Providing Blood Collection and Transfusion Services27 Questions
Exam 27: Tissue Banking: A New Role for the Transfusion Service10 Questions
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Recipient lymphocytotoxic HLA-antibody to donor antigens is associated with:
(Multiple Choice)
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Patients who have been presensitized to HLA antigens have a much higher graft survival rate in liver transplantation than nonsensitized patients.
(True/False)
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What kidney transplant strategy is satisfied through matching of the donor and recipient antigens?
(Multiple Choice)
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Between which two loci are recombination (crossing over) most likely to occur?
(Multiple Choice)
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What is the purpose of washing the cells after the initial cell-serum incubation in the Amos-modified antibody screen procedure?
(Multiple Choice)
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The majority of cross-reactive alloantibodies detect HLA specificities of allelic molecules coded by the same locus.
(True/False)
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The MHC class I region encodes for all of the following genes except:
(Multiple Choice)
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What is the main purpose of crossmatching before transplantation?
(Multiple Choice)
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In testing for the HLA-D antigens (DR, DP, DQ, etc.)___________ typing cells of each phenotype are set up in an MLR as against the test cells.
(Multiple Choice)
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The majority of HLA alloantibodies are ___________immunoglobulins.
(Multiple Choice)
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Why are T cells unacceptable for cytotoxicity testing using fluorescent labeling?
(Multiple Choice)
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Why is histocompatibility testing negated in both lung and heart transplants?
(Multiple Choice)
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The surface marker, or antigen, detected in histocompatibility testing of a single individual is referred to as HLA:
(Multiple Choice)
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A double-lung transplant is indicated in which of the following disorders?
(Multiple Choice)
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The HLA-A locus antigens A2, A23, A24, and A28 make up the:
(Multiple Choice)
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Which of the following is an example of linkage disequilibrium?
(Multiple Choice)
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