Disinfection & Safety第 24 / 100 题
When mixing a disinfectant concentrate, the barber should:
a.Guess the amount
b.Always use more concentrate than directed for extra strength
c.Follow the exact dilution ratio on the manufacturer's label
d.Dilute it with used solution
解析
Disinfectants must be mixed to the precise dilution stated on the label. Too weak a mixture fails to kill pathogens, while too strong a mixture wastes product, can damage tools, and may create a health hazard.
法律依据: CCR Title 16 §979免费刷完整 100 道题库 — 无需注册。
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