History- Surgery 0.0 / 5 ? HistorySurgeryGCSEEdexcel Created by: em311yCreated on: 01-03-15 16:32 What were the three main problem with surgery before the 19th century? Pain, Infection and Blood Loss 1 of 6 Who discovered Nitrous Oxide? Humphrey Davy and Horris Wells 2 of 6 When was Nitrous Oxide discovered? 1799 and 1845 3 of 6 How was Nitrous Oxide discovered? Davy accidentally discovered that when inhaling Nitrous Oxide you become less aware of pain and Wells used it for extracting teeth. 4 of 6 What are the benefits of Nitrous Oxide? Calms and reduces pain 5 of 6 What are the limitations of Nitrous Oxide? Has a slow effect and is also too weak 6 of 6
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