What Is the Mechanism of Action of the Glycopeptides (Vancomycin

question 31

Multiple Choice

What is the mechanism of action of the glycopeptides (vancomycin and teicoplanin) ?

• A) The glycopeptides inhibit folate synthesis and prevent the bacteria from using this as an energy source.
• B) The glycopeptides interfere with DNA replication and disrupt the protein synthesis operation.
• C) The glycopeptides bind to the substrate of the transpeptidation enzyme and disrupt the cell membrane construction.
• D) The glycopeptides interfere with transfer RNA production and disrupt the protein synthesis operation.

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Definitions:

Direct Labor-Hours

The sum of the hours spent by workers directly manufacturing a product.

Variable Overhead

Indirect production costs that fluctuate with the level of output, such as utilities or materials used in the manufacturing process.

Efficiency Variance

A measure used in cost accounting to evaluate the efficiency of resource usage, calculated as the difference between actual usage and the standard or expected usage.

Materials Price Variance

The variance between the standard cost and the actual expense of materials, calculated by multiplying the amount bought.