Cytokines are chemicals and proteins that are critical components of the immune system. Which of the following statements is incorrect regarding the function of cytokines?
A) All cytokines are synthesized to stimulate the inflammatory response; their purpose is to mediate vascular reactions and diapedesis.
B) Cytokines are secreted by a wide variety of cell types,including immune cells,epithelial and endothelial cells.
C) Cytokines play a role in both inflammatory stimulation,as well as being anti-inflammatory mediators.
D) Cytokines mediate communication between cells; they are crucial for stimulation,suppression and control of all aspects of the immune response.
Correct Answer:
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