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
Cough and angioedema in a patient receving ACE inhibitors is due to 
Select and explain. 
A. Bradykinin, B. Renin, C. Angiotensin-II, D. All
A: Bradykinin
Answer: A: Bradykinin 
Explanation: None