The complement, clotting, and kinin systems share which of the following characteristics?
a. Activation of a series of proenzymes
b. Phagocytosis initiation
c. Granulocyte production
d. Activated by interferon
ANS: A
The complement system, the clotting system, and the kinin system are normally in inactive forms but can activate in a series as proenzymes and are involved in the inflammatory process. This system is not associated with phagocytosis, granulocyte production, or the activation of interfer-on.
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A major factor affecting standard errors of the mean is the:
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