Which of the Following Statements Describes One Aspect of Mineral

question 31

Multiple Choice

Which of the following statements describes one aspect of mineral nutrition of older adults?

• A) Zinc intake is adequate for about 95 percent of this group.
• B) Iron absorption is reduced due to low stomach acidity.
• C) Calcium intakes of females are near the RDA for this group.
• D) Calcium allowances for this group have recently been increased by the Committee on Dietary Reference Intakes.

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Definitions:

Marginal Cost

The increase or decrease in the total cost incurred by producing one additional unit of a product or service.

Total Variable Costs

The sum of expenses that vary directly with the level of output production.

Average Total Cost

The per unit cost of production, calculated by dividing total cost by the total quantity of output produced.

Average Variable Cost

The total variable costs divided by the quantity of output produced, reflecting the per unit cost of variable inputs.