Why Might Food Frequency Questionnaires Be Less Accurate Than 24-Hour

question 27

Multiple Choice

Why might food frequency questionnaires be less accurate than 24-hour recalls for obtaining food intake data?

• A) The process examines long-term food intake
• B) Dietary supplements can't be included.
• C) They typically list only common foods.
• D) It may be difficult to estimate average portion sizes of foods eaten less frequently.

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, indicating how much contributes to covering fixed costs and profit generation.

Break-Even Point

The point at which total costs and total revenue are equal, resulting in no profit or loss.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a specific product and included in the product's cost calculation.

Break-Even Point

The level of production or sales volume at which total revenues equal total costs, resulting in zero profit or loss.