男，60岁，肺部手术，术前护理中能有效预防术后肺感染的护理措施是：

单项选择题Directions: The following quotes are about the value of life by famous people. Please Identify the author of each quote below.We make a living by what we get; we make a life by what we give A、Winston Churchill B、Albert Einstein C、Mahatma Gandhi D、Charles Darwin

单项选择题训练老年人床上翻身时，以下动作不当的是（）。