All of the Following Are Characteristics of Quaternary Ammonium Compounds

question 11

Multiple Choice

All of the following are characteristics of quaternary ammonium compounds EXCEPT:

• A) Zephiran is an example of a quat.
• B) they are harmless to humans except at high concentrations.
• C) they are used by Pseudomonas aeruginosa as a nutrient.
• D) they function by cross- linking proteins.
• E) they are a type of detergent.

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Definitions:

Total Cost

The complete cost of production including fixed and variable costs.

Average Total Cost

The total of all costs divided by the number of goods produced, representing the per unit production cost.

Output

The total amount of goods or services produced by an individual, company, or country.

Total Variable Cost

The sum of all costs that vary with output level in the production process.