Which of the following is the most critical first step when cleaning and disinfecting a surface, such as an examination table, that is contaminated with organic material like blood or feces?
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A
Mechanically removing all gross organic material.
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B
Immediately applying a broad-spectrum disinfectant.
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C
Allowing the disinfectant to have a contact time of 30 seconds.
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D
Wiping the surface with a dry paper towel to absorb moisture.