Exam 2: Nature of Antigens and the Major Histocompatibility Complex

Which of the following molecules is the best immunogen?

Naturally occurring anti-A and anti-B antibodies are thought to be the result of exposure to which of the following?

Each class II MHC molecule has specificity for:

Antigen recognition by CD4-positive T cells requires:

Characteristics of heterophile antigens include which of the following?

Aluminum salt in the hepatitis vaccine functions as:

Antigens found in different species that trigger a similar antibody response are called:

Which option best describes a finding of Landsteiner's study of haptens?

MHC class I antigens are recognized by which of the following cells?

A substance used to enhance antibody formation is called:

A bacterial antigen to which the human immune system responds would be classified as:

A 50-kDa protein from a bacterial cell that has numerous different epitopes would be called:

Which of the following must be matched between donor and recipient as closely as possible to avoid rejection of a tissue transplant?

All of the following are characteristics of a strong immunogen EXCEPT:

Which of the following is a characteristic of MHC-DR,MHC-DP,and MHC-DQ molecules?

Endogenous peptides binding to MHC-A,MHC-B,or MHC-C molecules on the surface of hepatocytes are critical for the response by:

A substance that is too small to stimulate antibody production by itself unless it is attached to a larger carrier molecule is called:

Class II molecules bind to what kind of peptides?

MHC class I protein is found on:

Characteristics of MHC class II molecules include which of the following?