Other technologies and Automation Flashcards
When performing an antibody screen by gel technology, the following steps are eliminated:
Saline wash, control check cells
A layer of red cell agglutinates at the top of the gel microtubes and a pellet of unagglutinated red cells at the bottom. These findings are comparable to which of the following reactions in the test tube?
Mixed field
The gel system has all of the following advantages over the traditional tube procedure except:
Different grading system
The washing procedure is applicable to which of the following serologic methods:
Solid phase and tube system
The technology that uses proteins G and A instead of AHG reagent is called:
Affinity column
The diluent that is used to make the red cell reagents for the affinity column technology is _______, and the final concentration of the red cell reagents are ________.
Low ionic strength/ 0.8%
Adherence of IgG sensitized red cells to an immunologically active matrix is characteristic of:
Affinity column technology
In performing an antibody screen by solid phase technique, a monolayer of red cells is formed at the top of microplate wells following the addition of indicator cells. This result should be interpreted as:
Positive
Which of the following are licensed additive solutions approved for the storage of red cells at 1 to 6˚ C for 42 days?
Adsol
Nutricel
Optisol
