Question 1
How is an immunofiltration assay different from an ELISA?
◦ Antibodies are bound to filters rather than plastic plates.
◦ Fluorescent molecules are attached to antigen rather than enzyme.
◦ Test antigens are bound to filters rather than plastic plates.
◦ Positive results are the result of precipitate formation.
◦ They take longer than ELISAs.
Question 2
Infection with HIV is routinely verified using a(n) ________ assay.
◦ viral hemagglutination inhibition
◦ viral neutralization
◦ immunoblot
◦ immunodiffusion precipitation
◦ direct fluorescent antibody