[名词解释] 访问调查法

0.5麦氏比浊标准相当于的细菌数量是（）。 ["0.5×10^{8<\/sup>cfu\/ml","1.5×10^{8<\/sup>cfu\/ml","3×10^{8<\/sup>cfu\/ml","6×10^{8<\/sup>cfu\/ml","9×10^{8<\/sup>cfu\/ml"]
心尖区触及舒张期震颤应考虑是（） ["主动脉瓣狭窄","主动脉瓣关闭不全","二尖瓣狭窄","二尖瓣关闭不全","右房室瓣关闭不全"]
太阳头痛的部位在（） ["头后部","前额部","眉棱骨","巅顶部","头之两侧"]
气滞血瘀会出现的症状有（） ["夜寐不安","舌胖大","便秘","面色苍白","脉沉"]
血气分析仪的CO2电极属于（） ["酶电极","玻璃电极","气敏电极","甘汞电极","金属电极"]
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