题目：
The nurse is evaluating the effectiveness of airway suctioning. Which of the following outcome criteria is most appropriate()
A. Respirations unlabored.
B. Decreased mucus production.
C. Hollow sound on chest percussion.
D. Breath sounds clear on auscultation.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：对
