Which blood component is responsible for the regulation of complement activation and prevention of excessive inflammation?

A C1 inhibitor ✓
B Factor H
C Factor I
D Properdin

Explanation

C1 inhibitor is a plasma protein that regulates the activation of the complement system by inhibiting the C1 complex and preventing excessive inflammation.

Source

Immunology journals
Hematology Hematology: Blood Components Hematology: Blood Components Hard MEDICAL Confidence: high