<prompt> Smoky stool is seen in which poisoning?MercuryPhosphorousIodineLead  <response>: Ans. b PhosphorousRef. Parikh 6e, p 9.2, Textbook of forensic medicine and Toxicology by Nagesh kumar rao, p 371, Modern medical toxicology byV.V. Pillary, 3e, p 61 