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
Which of the following drugs is useful in anaphylactic shock: 
Select and explain. 
A. Isoprenaline, B. Adrenaline, C. Non–adrenaline, D. Terbutaline
B: Adrenaline
Answer: B: Adrenaline 
Explanation: None