What cells are antibodies secreted by?

What is an antibody?

What is meant by the 'lock and key reaction' of antibodies and their corresponding antigen?

How do antibodies interact with cells of the immune system?

How does an antibody send an immune response?

What 3 direct roles do antibodies have in protecting the body against invaders beside alerting other cells of potential danger?

What is meant by neutralisation (antibodies)?

Give 2 examples of toxins secreted by bacteria which can be neutralised by antibodies.

What is meant by Opsonisation (antibodies)?

What is meant by Complement fixation (antibodies)?

When does our body produce antibodies?

What is meant by Seriodiagnosis? Give 3 assays of seriodiagnosis.

Give 3 ways in which the ELISA test is used.

What is the difference between a Direct ELISA assay and an Indirect ELISA assay?

Describe how a DIRECT ELISA assay works.

Describe how an INDIRECT ELISA assay works.

Describe a variation of Indirect ELISA assay such as a 'capture' ELISA or 'sandwich' ELISA.

What is haemolytic disease of the newborn?

What is the name of the antigen found on RBCs which can be held responsible for haemolytic disease of the newborn?

What happens if an RhD positive child is born to an RhD negative mother?

What is involved in a Haemagglutination assay when testing for the presence of RhD antibodies?

Describe how blood typing works.

What is a cell viability test?

What stain does a cell viability test use?