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
A peptide that causes increased capillary permeability and edema is? 
Select and explain. 
A. Histamine, B. Angiotensin II, C. Bradykinin, D. Renin
C: Bradykinin
Answer: C: Bradykinin 
Explanation: Although both histamine, as well as bradykinin, can cause edema and increase in permeability, histamine is an amine whereas bradykinin is a peptide.