<prompt> A man working as a pest killer comes to OPD with pain abdomen, garlic odour in breath and transverse lines on nails. MOST likely the person is suffering from:Arsenic poisoningLead poisoningMercury poisoningCadmium poisoning  <response>: Garlic odour and transverse lines on nails i.e. Mees lines are features of chronic arsenic poisoning. Constitutional symptoms of chronic arsenic poisoning: Fatigue Weight loss Weakness Anemia Nonspecific gastrointestinal complaints Sensorimotor peripheral neuropathy, paicularly featuring a stocking glove pattern of dysesthesia Skin changes--among the most characteristic effects--typically raindrop pattern of hyperpigmentation, and hyperkeratoses involving the hands and feet Transverse white striae Aldrich-Mees lines on nails. 