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: Unknown
[{'content': 'Hyperkalemia is caused by: \nSelect and explain. \nA. N2O, B. Atracurium, C. Succinyl choline, D. Pancuronium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (Refer: Miller’s, Clinical Anaesthesia, 7th edition, pg no: 2373-2383)\nSystemic effects of Succinyl choline\n\nCardiovascular system - Profound bradycardia\nHyperkalemia - Due to excessive muscle fasciculations.\nCNS - Increases intracranial tension.\nEye - Increases intraocular tension.\nGIT - Increases intragastric pressure, increases salivation,gastric secretions and peristalsis.\nMuscle pains - Due to excessive muscle contractions.\nMalignant hyperthermia-SCh is the most common drugcausing this.\nAnaphylaxis.\nMasseter spasm.', 'role': 'assistant'}]