This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'a peptide that causes increased capillary permeability and edema is \nSelect and explain. \nA. Histamine, B. Angiotensin 11, C. Bradykinin, D. Renin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Although both histamine as well as bradykinin can cause edema and increase in permeability, histamine is an amine, whereas bradykinin is a peptide. Refer KDT 6/e p490', 'role': 'assistant'}]