This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Antithrombin III levels in disseminated intravascular coagulation - 
Select and explain. 
A. Are decreased, B. Are increased, C. Remain Same, D. Are variable
A: Are decreased
Answer: A: Are decreased 
Explanation: None