make it similar to this: 1. CD4 is a co-receptor for the T cell receptor and is on the surface of T cells. With what molecule does CD4 interact? A) MHC class I beta-2 microglobulin... make it similar to this: 1. CD4 is a co-receptor for the T cell receptor and is on the surface of T cells. With what molecule does CD4 interact? A) MHC class I beta-2 microglobulin B) T cell receptor beta chain C) MHC class II beta chain protein D) T cell receptor alpha chain 2. Which statement best describes pattern recognition receptors (PRRs) A) PRRs are exclusively surface-expressed receptors that detect extracellular microbes B) PRRs display exquisite specificity for peptide antigens C) PRRs are only expressed by epithelial cells to enable pathogen detection at the surface of epithelial barriers D) PRRs recognize evolutionarily conserved molecular patterns 3. Interleukin-2 is a member of which cytokine family: A) The interferon family B) The interleukin-1 family C) The tumour necrosis factor family D) The hematopoietin family 4. Which of the following statements is true about B cell development: A) B cell development occurs in the Bursa of Fabricius in mammals B) Developing B cells are positively selected by MHC class I molecules C) Developing B cells rearrange immunoglobulin heavy chain and light chain genes D) Developing B cells produce antibody after becoming activated by antigen in the bone marrow 5. What do macrophages and neutrophils have in common: A) Their short life span of a few days B) Their relative abundance in blood C) Their location in epithelial tissues D) Their phagocytic activity... Read more