COPD has 2 most common forms. They areand.
查看答案
What is the pathogenic cause of COPD?
What is the pathogenic cause of COPD?
A. smoking
B. air pollution
C. genetic factors
D. bacteria infection
What are the signs of COPD?
A. COPD often follows a non-stop cough.
B. At the same time, the mucus often swells.
C. People who have got COPD usually feel difficult to breathe.
关闭切口前应注意
A. 检查手术野，待核对器械、敷料数无误后，才能关闭切口
B. 切口内常规用70%酒精消毒
C. 必须待病人清醒后再关闭切口
D. 有些异物能被吸收，故不必太在意
E. 请麻醉师注射一次麻药后再关闭切口
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