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  3. When you get interrupted in the middle of something, it can be hard to regain your train of thought, which can be annoying. But

When you get interrupted in the middle of something, it can be hard to regain your train of thought, which can be annoying. But

admin2018-07-10  26
问题     When you get interrupted in the middle of something, it can be hard to regain your train of thought, which can be annoying. But when you’re interrupted while measuring medication for patients, the consequences can be more serious. A new study published in the Archives of Internal Medicine finds that, perhaps unsurprisingly, when interrupted while dosing out medication, nurses are more likely to make mistakes.
    Researchers at the University of Sydney studied 98 nurses while they prepared and administered medications to more than 4,000 patients in almost 1.5 years. For a total of 505 hours during this period, investigators noted any interruptions that nurses encountered while dealing with medication, and also tracked two types of mistakes: procedural, which included things like not reading medication labels or failing to fully read a patient chart, and clinical, which included actually giving patients the wrong dose or wrong medication.
    For all administrations of medication studied, researchers noted that nurses were interrupted more than half the time (53%), and researchers noted procedural errors in nearly three quarters (74.4%) of administrations, and clinical errors in a quarter of all cases. The study authors also point out that the risk for major errors increased significantly the more when nurses were interrupted and that with no interruptions, the risk for a serious mistake was 2.3%.
    While it’s understandable that some interruptions will, of necessity, take place during a nurse’s work day, the authors suggest that such high levels of interruption and the resulting increase in errors associated with them point to a need for efforts to better enable nurses to focus on the task at hand. They write: "The converging evidence of the high rate of interruptions occurring during medication preparation and administration adds impetus to the need to develop and implement strategies to improve communication practices and to reduce unnecessary interruptions within ward environments."
    To that end, they suggest that simple measures such as installing white boards in hospital wards to prominently display commonly needed information or having nurses wear special "do not interrupt" vests while preparing or giving patients medication, could go some distance toward minimizing mistakes. They also suggest that reconsidering how the physical space of a hospital ward is organized could play a role in reducing errors. Whatever the potential solution, the authors say that this is indeed a problem, and one that requires additional research to solve.
The word "impetus" (Line 5, Para. 4) is closest in meaning to _____.
选项 A、impulse
B、weight
C、impact
D、conviction
答案A
解析 根据题干可直接定位到第四段②句。从上下文语义来看，前文提到护士被干扰容易犯错的情况及其危害，而从need后的不定式短语中可知，需要发展和执行的策略是用来“改善交流方式和减少不必要的干扰”，这一做法是有利于避免护士犯错，应该是值得提倡鼓励的，故应该是促进、推动这一需求。A项表示“促 进、刺激”的含义，符合上下文，也与原文意思相符。
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