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  3. [A]So what do we do to be safer? Many smart people have tackled this question. Peter Pronovost at Johns Hopkins developed a chec

[A]So what do we do to be safer? Many smart people have tackled this question. Peter Pronovost at Johns Hopkins developed a chec

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问题 [A]So what do we do to be safer? Many smart people have tackled this question. Peter Pronovost at Johns Hopkins developed a checklist shown to bring hospital-acquired infections down to close to zero. There are rules against disturbing nurses while they dispense medications and software that warns doctors when patients’ prescriptions will interact badly. There are policies designed to empower nurses to confront doctors if they see something wrong, even if a senior doctor is at fault.
[B]Here’s one theory. It is a given that American doctors perform a staggering number of tests and procedures, far more than in other industrialized nations, and far more than we used to. Since 1996, the percentage of doctor visits leading to at least five drugs being prescribed has nearly tripled, and the number of M. R. I. scans quadrupled.
[C]Doctors make mistakes. They may be mistakes of technique, judgment, ignorance or even, sometimes, recklessness. Regardless of the cause, each time a mistake happens, a patient may suffer. We fail to uphold our profession’ s basic oath: " First, do no harm. "
[D]Herein lies a stunning irony. Defensive medicine is rooted in the goal of avoiding mistakes. But each additional procedure or test, no matter how cautiously performed, injects a fresh possibility of error. CT and M. R. I. scans can lead to false positives and unnecessary operations, which carry the risk of complications like infections and bleeding. The more medications patients are prescribed, the more likely they are to accidentally overdose or suffer an allergic reaction.
[E]According to a 1999 report by the Institute of Medicine, as many as 98,000 Americans were dying every year because of medical mistakes. Today, exact figures are hard to come by because states don’ t abide by the same reporting guidelines, and few cases gain as much attention as that of Rory Staunton, the 12-year-old boy who died of septic shock this spring after being sent home from a New York hospital. But a reasonable estimate is that medical mistakes now kill around 200,000 Americans every year. That would make them one of the leading causes of death in the United States. Why have these mistakes been so hard to prevent?
[F]What may be even more important is remembering the limits of our power. More—more procedures, more testing, more treatment—is not always better. In 1979, Stephen Bergman, under the pen name Dr. Samuel Shem, published rules for hospitals in his caustically humorous novel, The House of God. Rule No. 13 reads: "The delivery of medical care is to do as much nothing as possible. " First, do no harm.
[G]Certainly many procedures, tests and prescriptions are based on legitimate need. But many are not. In a recent anonymous survey, orthopedic surgeons said 24 percent of the tests they ordered were medically unnecessary. This kind of treatment is a form of defensive medicine, meant less to protect the patient than to protect the doctor or hospital against potential lawsuits.
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答案B
解析 在了解了医疗事故发生的频率高、危害大这一事实之后，作者必然会讨论在美国医疗体制下这一现象发生的原因。[B]段第一句话Here’s one theory是一个明显的连接语。说明下文要就医疗事故高发现象给出一个解释。作者给出的解释是美国医生滥开处方和治疗方案导致了医疗事故频发。
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