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Which of the following is a limitation of using alcohol as a disinfectant?

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Question: Which of the following is a limitation of using alcohol as a disinfectant?

Options:

  1. It is effective against all pathogens
  2. It evaporates quickly
  3. It requires a specific concentration for effectiveness
  4. It is non-toxic

Correct Answer: It requires a specific concentration for effectiveness

Solution: 

Alcohol requires a specific concentration (usually 60-90%) to be effective against microorganisms.

Which of the following is a limitation of using alcohol as a disinfectant?

Practice Questions

Q1
Which of the following is a limitation of using alcohol as a disinfectant?
  1. It is effective against all pathogens
  2. It evaporates quickly
  3. It requires a specific concentration for effectiveness
  4. It is non-toxic

Questions & Step-by-Step Solutions

Which of the following is a limitation of using alcohol as a disinfectant?
  • Step 1: Understand that alcohol is used to kill germs and bacteria.
  • Step 2: Know that alcohol needs to be in a certain amount, usually between 60% and 90%, to work well.
  • Step 3: Realize that if the concentration is too low or too high, it may not kill the germs effectively.
  • Step 4: Remember that this specific concentration requirement is a limitation of using alcohol as a disinfectant.
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