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: Anaesthesia
Which muscle relaxant increases intracranial pressure ? 
Select and explain. 
A. Mivacurium, B. Atracurium, C. Suxamethonium, D. Vecuronium
C: Suxamethonium
Answer: C: Suxamethonium 
Explanation: Succinylcholine increase ICT, IOT and intra-abdominal (intragastric pressure).