Social & Preventive Medicine Nausea, vomiting, blue line on gums, wrist/foot drops, pallor, colic are manifestations of poisoning due to:- A Mercury B Arsenic C Organic lead D Inorganic Lead 💡 Explanation Nausea, vomiting, blue line on gums, wrist/foot drops, pallor, colic are manifestations of poisoning due to:- ✓ Correct Answer: D. Inorganic Lead