Exam 33: Adaptive Immunity

Passive immunity generally lasts longer than active immunity.

An antibody has one antigen-binding site.

IgM is the most predominant class of immunoglobulins in the body.

IgD is the most understood antibody.

Another name for antigenic determinants is epitopes.

Once released from the bone marrow, the B cells migrate to the bursa of Fabricius to complete their development.

T cells, by definition, are lymphocytes that have passed through the thyroid gland.

Contact points between immune cells are sometimes called immunological synapses.

Match each antibody class with its description, function, or location. -Antibody that is associated with allergies

The type of immunity produced by vaccination would be _____ immunity.

When a child develops measles and acquires immunity to a subsequent infection, this type of immunity is called _____ immunity.

Macrophages sensitize:

Explain the apparent basis for autoimmune diseases. Give two examples of such diseases.

Antigens activate B cells.

Cell-mediated immunity involves T cells.

Suppressor T cells function by inhibiting T cell formation.

A person without a functioning immune system would not benefit from an injection of antibodies developed by someone else.

Match each antibody class with its description, function, or location. -Antibody that is found in tears and saliva

The heavy chains in an immunoglobulin molecule are about twice as long and weigh about twice as much as light chains.

The function of which antibody is basically unknown?