This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'A pt of BPD on lithium for 6months after fasting for a day presents with seizure coarse tremors confusion and weakness of limbs Whats the most accurate to diagnosis her condition \nSelect and explain. \nA. Serum Electrolyte, B. S Lithium, C. S creatinine, D. ECG', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lithium intoxication * Mild: Sleepy, Proximal muscle weaknes , Impaired memory, G-t: nausea, vomiting, diarrhea. * Moderate: !eurotoxic: Delirium, Convulsion, Coma, Incontinence, ivper- reflexia, Fasciculation, Parkinson-like : Ataxia. Un-coordination * Severe: Nenhrotoxic: Nocturia, Distal tubular acidosis, Impaired RFT. Cardiotoxic: ST-T change, QT prolong, Flat T Conduction delay, Hypotension. * Acute intoxication-- Less CNS depression. ref : kd tripathi pharmacology', 'role': 'assistant'}]