This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
[{'content': 'All are feature of hypernatremia, except - \nSelect and explain. \nA. Convulsion, B. Elevated intracranial tension, C. Periodic paralysis, D. Muscle twitching', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Clinical features Patients with hypernatraemia generally have reduced cerebral function, either as a primary problem or as a consequence of the hypernatraemia itself, which results in dehydration of neurons and brain shrinkage. In the presence of an intact thirst mechanism and preserved capacity to obtain and ingest water, hypernatraemia may not progress very far. If adequate water is not obtained, dizziness, delirium, weakness and, ultimately, elevated intracranial tension,muscle twitching coma and death can result. Ref Davidson 23rd edition pg 360', 'role': 'assistant'}]