ICT (Information Communications Technology) is a term widely used in the context of education. Even though there is no universally accepted definition for ICT, it mainly refers to utilizing digital technologies such as computers, television, email, etc to help individuals or organizations to use information.
Type IV (called also delayed hypersensitivity) involves sensitized T lymphocytes that react with cell bound or associated antigen and release lymphokines, causing mononuclear cell accumulation, tissue damage and inflammation, typically manifesting at least 24 hours after exposure to the antigen.
Symptoms develop 3 to 10 hours after the immune complex forms. ASPERGILLOSIS, SYSTEMIC LUPUS ERYTHEMATOSUS (SLE) , GLOMERULONEPHRITIS, polyarteritis and other forms of VASCULITIS, and RHEUMATOID ARTHRITIS are type III hypersensitivity reactions.ymptoms and Diagnostic Path. Symptoms vary with the type and severity of the hypersensitivity reaction. Itching and skin rash or URTICARIA (hives) are common with type I hypersensitivity reactions. Symptoms may involve the airways (allergic asthma) or gastrointestinal tract (food allergies).