属于中等危险性物品的是（） ["2ml空针","压舌板","痰盂","腹腔镜","听诊器"]
频率处理等级是（） ["GT","GA","GC","GS","RN"]
肺结核大咯血抢救时需特别注意的是（） ["血压监测","测出血时间，预防DIC","慎用镇咳、镇静剂","保持呼吸道通畅","患侧卧位"]
多孔材料表面消毒时宜采用的方法是（） ["A.压力蒸汽灭菌","B.环氧乙烷灭菌","C.紫外线消毒","D.喷雾消毒法","E.干热灭菌"]
能改变整幅图像的密度的是（） ["GT","GA","GC","GS","RN"]
结合实例说明推断统计包含的内容。
