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BB Chapter 7
Antibody Detection and Identification-End of Chapter Questions
| Question | Answer |
|---|---|
| The antibody screen does what? | detects most clinically significant antibodies |
| HTLA antibodies are what? | clinically insignificant |
| What statement is associated with anti-I? | it does react with cord blood cells |
| A multiple antibody problem was resolved using enzymes. One of the antibody reactions was eliminated after treatment. What antibody was probably present? | anti-Fy a |
| An antibody demonstrating dosage would mean what? | homozygous cells were stronger |
| The neutralization technique was performed on a sample containing an anti-Le b. The control and the Lewis-neutralized serum were both negative when retested with panel cells. How should this test be interpreted? | the sample was prbablyy dilued |
| The rule of three used in antibody identification ensures which (p) value? | .05 |
| A DAT performed on a clotted sample stored at 4 degrees C may demonstrate what? | in vitro complement attachment |
| The prewarm technique may weaken IgG reactions because of what? | warm saline washes may detach IgG antibodies |
| The procedure that removes intact antibodies from the red cell membranes is what? | elution |
| The removal of an antibody from serum or plasma using the individual's own cells is what? | anti-N |
| An antibody was detected in the screen at 37 degrees C and did not react at the AHG phase. What should be suspected? | 3 months |
| Antigen typing on red cells should not be performed if the patient has been transfused within what? | anti-Js b, anti--Kp b, and anti-k |
| DTT is useful in evaluating a sample when which antibody is suspected? | identify the antibodies coating the red cells |