Select the conditions necessary to activate a delayed-type hypersensitivity reaction:

The rebinding of the allergen antigen to IgE and mast cells is called sensitization because mast cells coated with IgE are ready for immediate activation.

Select the correct characteristics of the complement system:

Complete the statement. Small organic molecules that are antigenic but not immunogenic are called .

Give a brief description of the biological functions of the complement system:

Match the names and brief characteristics of the soluble receptors of the innate immune system:

Complete the statement. FPR (Formyl-Peptide Receptors) regulatу chemotaxis.

Match the names and types of receptors of the innate immune system:

Select cytokines and biologically active mediators of macrophages and neutrophils that initiate the development of inflammation:

C3b is considered a central molecule in the activation of the complement cascade, as well as in the activation reactions of the blood coagulation system.