This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 2, Subject name: Forensic Medicine
In sulfuric acid poisoning all the following are seen, except 
Select and explain. 
A. Dryness of mouth, B. Damaged tongue, C. Chalky white teeth, D. Swollen tongue with white coating
D: Swollen tongue with white coating
Answer: D: Swollen tongue with white coating 
Explanation: Sulphuric acid poisoning: Colourless, odourless, non-fuming Signs & symptoms * Brown to black streak from angle of mouth* Black tongue* Chalky white teeth* Black necrotic stomach or black charred stomach* Blotting paper stomach * Gastric perforation The mind remains clear till death. Fatal dose : 5-10ml Fatal period : 12-24 hour Sulphuric acid is the most common substance associated with vitriolage.