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: Physiology
[{'content': 'Which of the following is not mediated through negative feed back mechanism : \nSelect and explain. \nA. BP, B. GH formation, C. Thrombus formation, D. ACTH release', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Thrombus formation', 'role': 'assistant'}]