Which blood component is responsible for the inactivation of thrombin and other coagulation factors?

A Antithrombin III ✓
B Protein C
C Protein S
D Heparin cofactor II

Explanation

Antithrombin III is a protein that inactivates thrombin and other coagulation factors, helping to regulate blood coagulation and prevent excessive clotting.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Blood Components Hematology: Blood Components Easy MEDICAL Confidence: high