Exam 42: Immunology: Animal Defense Systems

You work in an immunology lab that is trying to develop new vaccines against influenza virus proteins. You've been assigned the task of making immunoglobulins that bind the antigenic determinants found on the surface of influenza viral particles. Which of the following parts of the immunoglobulin would you alter to increase the strength of its binding to a specific antigenic determinant?

Which of the following is not a leukocyte?

The cells that recognize virus-infected or mutated cells and kill them via lysis are known as _______ T cells.

DNA rearrangements in the B cell

According to the clonal selection theory,

Antibodies belong to the class of proteins known as _______.

The diversity among antibodies occurs mainly through

Which of the following is generally restricted to a closed circulatory system?

The function of the lymph nodes is to

Antigens can bind to an antibody at _______ site(s); binding occurs at the _______ regions of the antibody.

Antibody molecules are

Which of the following antibody classes is most likely to trigger a large release of histamines?

The major histocompatibility complex

Which of the following statements about natural killer cells is false?

Which of the following must take place for a B cell to become an antibody-secreting plasma cell?

The polio virus comes in two types: an inactivated, injectible form and an oral, attenuated form. Which would be the safer vaccine to give to a child with an immunodeficiency disorder? Explain your reasoning.

Epitopes are

Which statement about immunoglobulins is true?

You characterize a new genetic disorder, NoReg. Patients with NoReg have no discernable Treg cells. Because of this you would expect these patients to be more prone to

Tiny lymph capillaries conduct lymph to larger ducts that eventually form a single large vessel known as the _______.