<prompt> All of the poisons caused uterine contractions EXCEPT:LeadArsenicErgotQuinine  <response>: ANSWER: B ArsenicREF: Forensic medicine and Toxicology by R N Karmakar 3rd edition page 230, Parikh 6th edition various pageABORTIFACI ENT DRUGS:EcbolicsIncreases uterine contractionErgot, Quinine, Pituitary extract, LeadEmmenagoguesIncreases menstrual flow abortifacient in large repeated dosesCantharides, Aloes, EstrogenGI irritantsIrritation of colon and congestion of pelvic organsArsenic, Mercury 