Dairy Products Are Generally Nutritious but Most Human Adults Cannot

question 19

Multiple Choice

Dairy products are generally nutritious but most human adults cannot digest them. This is because

• A) They generally stopped drinking milk when they were toddlers.
• B) Milk sugar is called lactase and most adults have the genetic disease "lactase-intolerance."
• C) Most adult human stomachs have a different chemical composition than children's stomachs.
• D) Most adult humans don't produce lactase, the enzyme necessary to digest the dairy sugar lactose.
• E) Most adult humans simply don't have access to dairy products and gradually lose the ability to digest them.

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Definitions:

Poverty Income Threshold

The minimum level of income deemed necessary to achieve an adequate standard of living in a given country, used to identify individuals or families in poverty.

Median Income

The midpoint income level at which half of the population earns more and the other half earns less, used as a standard measure of economic well-being.

Female-Headed Families

Households led by a female, often focusing on those with dependents for studies on social and economic issues.

Lorenz Curve

A graphical representation used in economics to show the distribution of income or wealth within a society, illustrating inequality.