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Read the following passage and do the following activities.
                                     The History of Anesthesia

                       It’s natural to get anxious before a medical procedure or surgery. Even
               something that doesn’t involve cutting your skin, like a colonoscopy, can induce

               jitters as soon as the anesthesiologist hooks you up to a heart monitor. Now imagine
               a time before anesthesiologists, IVs, and “happy gas.” Anesthesia may be a pretty well-oiled machine now, but
               it hasn’t always been so slick. Consider how many procedures today require some type of numbing or “going
               under,” and you’ll have an idea of how impactful the discovery of anesthesia was for the global population.
                       In the late 13th century, the Italian physician Theodoric Borgognoni was known for the “soporific
               sponge,” which was a sponge soaked in a special recipe containing ingredients like opium, mulberry juice, and

               ivy, according to the medical historian Fielding Hudson Garrison. The sponge would then be held under the
               patient’s nose and inhaled to induce sleep. Another common strategy was “mesmerizing.” This was a term used
               to describe hypnosis used for pain relief in surgery. The first documented use of this was in the mid-18th century
               by the Scottish physician James Esdaile.
                       The  1800s  were  a  huge  time  in  medicine.  Many  common  diseases  were  discovered  and  defined,
               techniques were developed, tools were invented, and sterilization practices were standardized. The invention of

               modern anesthesia is no exception. A number of doctors and scientists had been experimenting with or studying
               the potential of different substances that might be able to induce sleep for surgeries. In the 1840s, it was a dentist
               who finally put it to practice publicly, according to medical historian Stephanie J. Snow, PhD. Horace Wells, a
               dentist in Boston, saw an exhibition that demonstrated the “exhilarating” effects of nitrous oxide, which the
               exhibition called “laughing gas”. He watched one participant inhale the gas and then run around so wildly that
               he bruised his legs on benches and began to bleed.

                       Just a year later, another Boston dentist William T. G. Morton successfully demonstrated a painless
               surgery using a liquid called ether. It was this public and charismatic demonstration that many say launched the
               practice of anesthesia as it’s known today. While the 19th century was a time of discovery, the 20th was a time
               of refinement. Previously, doctors like Morton would dip a rag in ether and cover the patient’s mouth to allow
               them to inhale. After the 19th century, however, more elaborate equipment, such as masks and IVs (Intravenous
               anesthetics), were developed to make anesthesia safer and more precise.

                       Today’s anesthesiologists use isoflurane, desflurane, and sevoflurane (first used in 1980, 1987, and 1990,
               respectively). While these may be safer, more reliable, and better tolerated by the human body, they still owe
               credit to the early anesthesiologists for attempting the “unachievable.” You could make a compelling argument
               that anesthesia is *the* most impactful invention in health care. Sure, new and impressive surgeries may be
               curing ailments and saving lives, but most wouldn’t be possible without anesthesia.
                                                             Adapted from: https://www.healthination.com/health/then-vs-now-anesthesia



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