This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Forensic Medicine
[{'content': 'Barium carbonate poisoning causes - \nSelect and explain. \nA. Respiratory distress, B. Gastrointestinal Irritation, C. Muscular weakness, D. Cyanosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is a rodenticide Clinical Features1. CNS--Mydriasis, paraesthesias, depressed tendon reflexes,headache, confusion, convulsions.2. CVS--Hypeension, cardiac arrhythmias (premature ventricular complexes, ventricular tachycardia, bradycardia and ventricular fibrillation asystole/fibrillation.3. LMS--Myoclonus, myalgia, cramps, dysahria, flaccid quadriplegia.4. RS--Pulmonary oedema5. Hypokalaemia, metabolic and respiratory acidosis, and renal failure are commonly repoed. In fact, quadriplegia is usually the result of severe hypokalaemia. 6.GIT--Salivation, vomiting, abdominal pain, diarrhoea Ref: NCBI.NIH.org.', 'role': 'assistant'}]