Exam 16: Adaptive Immunity

TCRs only recognize antigens presented by APC; therefore, __________ molecules ultimately determine which epitopes elicit an immune response. (Be sure to use capital letters.)

IgG is the most common class of antibodies in the blood.

What are the steps involved in B cell activation?

Which of the following produces an exogenous antigen?

Major histocompatibility antigens are

The type of immunoglobulin that forms a pentamer is

Which of the following best describes IgG antibodies?

The major histocompatibility antigens are coded for by genes on which chromosome number?

The process of __________ deletion removes lymphocytes that react to autoantigens.

Which of the following is true of chemokines?

Which of the following is associated with interleukin 4 (IL-4)?

The immunological synapse refers to the

A variety of molecular components of the adaptive immune system bind epitopes (antigenic determinants). Compare and contrast the binding of epitopes by antibody molecules, T cell receptors (TCRs), and MHC molecules, and describe the consequences of the different interactions.

Large molecules such as polymers make good antigens.

Professional antigen-presenting cells (APCs) include B cells, macrophages, and __________ cells.

Which of the following statements concerning B cell receptors (BCRs) is FALSE?

Which of the following statements about T lymphocytes is FALSE?

What type of immunity is produced by the body when a person gets a disease?

The body recognizes antigens by the three dimensional shapes of regions known as __________ determinants.

Which of the following cytokines act as a signal between leukocytes?