The Principle of the Citrate Test Includes All the Following

question 38

Multiple Choice

The principle of the citrate test includes all the following except:

• A)bacteria able to use citrate will use the ammonium salts releasing ammonia.
• B)the alkaline pH that results from use of the ammonium salts changes the pH indicator.
• C)the pH indicator changes from red to bright yellow.
• D)the pH indicator changes from green to blue.

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Definitions:

Selling and Administrative Expense

Costs related to the selling of products and the administration of a business, not including production costs.

Variable Expense

Expenses that change in proportion to the activity of a business.

Fixed Expense

Costs that do not vary with the level of production or sales, such as rent or salaries.

Variable Overhead Rate

The rate at which variable overhead costs are allocated to products based on an activity base, such as machine-hours or direct labor-hours, reflecting changes in cost with production volume.