Immunology: Chapter 17 Quiz Final

When injected into other animals after they had received a typically lethal dose of toxin, they showed no ill effects. Some factors in the serum from the surviving rabbits had neutralized the lethal toxins. What is this factor?

Substances that caused the production of antibodies were called what?

What produces lymphocytes?

Lymphocytes that mature in the bone marrow become.

Humoral immunity involves ________, which are found in serum and lymph and are produced by B cells.

When these Lymphocytes migrate through the thymus it become ______ that is also involves Cellular immunity.

As a rule, antigens are proteins or large polysaccharides. Antibodies are formed against specific regions on antigens called _____

A ______ is a low-molecular-weight substance that cannot cause the formation of antibodies unless combined with a carrier molecule.

The Immunoglobulin most prevalent in serum; they provide naturally acquired passive immunity, neutralize bacterial toxins, participate in complement fixation, and enhance phagocytosis.

The Immunoglobulin consists of five monomers held by a joining chain; they are involved in agglutination and complement fixation.