This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuromuscular Blocker, Subject name: Anaesthesia
[{'content': 'A 30 yr old man with paraplegia, the muscle relaxant should be avoided for tracheal intubation will be \nSelect and explain. \nA. Suxamethonium, B. Vecuronium, C. Rocuronium, D. Mivacurium', 'role': 'user'}, {'content': "Answer: A \nExplanation: Succinylcholine can cause hyperkalemia in paraplegic patients due to proliferation of extrajunctional receptor. Conditions causing susceptibility to succinylcholine-induced hyperkalemia in an order. Myopathies (eg, Duchenne's dystrophy) Spinal cord injury Encephalitis Stroke Guillain-Barre syndrome Severe Parkinson's disease Burn injury Massive trauma Severe intraabdominal infection Tetanus Hence the use of succinyl choline is avoided in all the above conditions.", 'role': 'assistant'}]