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
Succinylcholine prevents bronchospasm by: 
Select and explain. 
A. Depolarising block, B. Direct muscle relaxation, C. Centrally acting muscle relaxation, D. Dual action
A: Depolarising block
Answer: A: Depolarising block 
Explanation: None