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
a peptide that causes increased capillary permeability and edema is 
Select and explain. 
A. Histamine, B. Angiotensin 11, 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. Refer KDT 6/e p490