Which one of the following statements about antigen-presenting cells is false?

Question

Which one of the following statements about antigen-presenting cells is false?

a. Class I MHC molecules displaying bound peptide antigens are recognized by helper T cells.
b. Macrophages play a key role in initiating a secondary immune response by presenting antigens to memory helper T cells.
c. More cells express class I MHC proteins than class II MHC proteins.
d. Dendritic cells express both class I and class II MHC proteins on their surfaces.

Answer 1

(A)

CD4 (helper) T cells recognize MHC class II molecules on the surface of the Antigen Presenting Cell