Interleukin 5 is secreted in the given scenario. The child here has intestinal obstruction caused by Ascaris lumbricoides (egg shown in the figure). IL-5 is responsible for the maturation and release of eosinophils in the bone marrow IL-1 (a and b)- SOURCE: Macrophages and other cell types FUNCTION:Proliferation and difefrentiation of T, B and other cells; pyrogenic; induce acute phase proteins; bone marrow cell proliferation IL-2 SOURCE:T cells FUNCTIONPromote growth and differentiation of T and B cells, cytotoxicity of T and NK cells, secretion of other lymphokines IL-3 SOURCE:T cells FUNCTION:Multi-CSF Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition