Figure 16-1 Structural Components of the Digestive Tract

question 31

Multiple Choice

Figure 16-1 Structural Components of the Digestive Tract
Use Figure 16-1 to identify the labeled part.
-Label B represents which structure(s) ?

• A) circular folds
• B) submucosa
• C) muscularis externa
• D) serosa
• E) mucosa

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Definitions:

Contribution Margin

The difference between sales revenue and variable costs, representing the amount that contributes towards covering fixed costs and generating profit.

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, used in financial analysis and grading.

Fixed Expenses

Recurring costs that do not fluctuate with the level of production or sales volume, such as lease payments or salaries.

Contribution Margin Percentage

A measure showing what percentage of sales revenue is available to cover fixed costs and contribute to net income, calculated as (Sales - Variable Costs) / Sales.