Quiz on Antigens and Immunology

What is the ability of a substance to induce a humoral and/or cell-mediated immune response called?

• Immunogenicity

• Antigenicity

• Epitopes

• Haptens

Which type of cells are primarily involved in cell-mediated immunity?

• Mast cells

• Neutrophils

• T cells

• B cells

________ are small molecules that can bind to antibodies but cannot induce a specific immune response.

Which of the following is considered the most potent immunogen?

• Nucleic acids

• Polysaccharides

• Proteins

• Lipids

What is the role of MHC molecules in relation to immunogens?

• They enhance antibody production

• They present processed antigens to T cells

• They bind to haptens

• They are immunogenic by themselves

Which factor does NOT influence immunogenicity?

• Dose of antigen administration

• Genotype of the recipient

• Color of the antigen

• Nature of the immunogen

What is the effect of adjuvants when mixed with antigens?

• Make antigens soluble

• Decrease immune response

• Enhance immunogenicity

• Inhibit lymphocyte activation

Which immunoglobulin is primarily produced early in the primary response to infection?

• IgE

• IgA

• IgG

• IgM

Which of the following statements about antigens is TRUE?

• An antigen can have multiple epitopes

• Self-molecules are generally immunogenic

• Haptens are immunogens

• All antigens are immunogens

Which of the following is NOT a commonly used adjuvant?

• Alum

• Freund’s incomplete adjuvant

• Freund’s complete adjuvant

• Sodium chloride