Question

question 3 (1 point) ✔ saved

1. direct fluorescent antibody tests

○ indicate the presence of complement.
○ indicate the presence of an antibody.
○ can diagnose infection.
● all of the above.

Explanation:

Direct fluorescent antibody tests are used in medical diagnostics. They can detect the presence of antibodies, complement (in some contexts), and are used to diagnose infections by identifying the presence of specific antigens or antibodies related to pathogens. So the correct option is the one stating "all of the above".

Answer:

all of the above.