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: Surgery
All the following are characteristic feature of anaphylactic shock EXCEPT 
Select and explain. 
A. Angioedema, B. Urticarial rash, C. Pedal edema, D. Flushing
C: Pedal edema
Answer: C: Pedal edema 
Explanation: None