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: Forensic Medicine
Barium carbonate poisoning causes: NEET 13 
Select and explain. 
A. Respiratory distress, B. Gastrointestinal irritation, C. Muscular weakness, D. Cyanosis
C: Muscular weakness
Answer: C: Muscular weakness 
Explanation: Ans. Muscular weakness