Which of the Following Statements About Quaternary Ammonium Compounds Is

question 18

Multiple Choice

Which of the following statements about quaternary ammonium compounds is FALSE?

• A) They function by cross- linking proteins.
• B) They are a type of detergent.
• C) Zephiran is an example of a quat.
• D) They are harmless to humans except at high concentrations.
• E) They are not effective against Pseudomonas aeruginosa.

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