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: Pharmacology
[{'content': 'A peptide that causes increased capillary permeability and edema is? \nSelect and explain. \nA. Histamine, B. Angiotensin II, 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.', 'role': 'assistant'}]