What is an antibody (often lgG) called that reacts with a saline suspension of red
blood cells, without producing a visible reaction?
a. A blocking antibody.
b. An incomplete antibody.
A despeciated antibody.
d. A neutralizing antibody.
Which antlglobulin test is used in diagnosis of hemolytic disease of the newborn
and autoimmune hemolytic anemia?
Which antiglobulin test is used in crossmatching, detection of unexpected
antibodies, and detection of antigens not identifiable by other means?
What is the reason for a false negative result if an inadequate washing of cells for
antiglobulin test is done?
a. Complement blocks the action of antiglobulin.
b. Contaminants block the reaction sites of red cell antibodies.
Trace amounts of residual globulin neutralize antiglobulin serum.
d. The electronegativity of the red cells repels the antiglobulin molecules.