A Scientist Conducts a Study to Determine the Effects of the Mineral

question 43

Multiple Choice

A scientist conducts a study to determine the effects of the mineral cadmium on the weight of mice.She adds 5 mcg of the mineral to the daily diet of 100 4-week-old laboratory mice.Every week,the researcher weighs and records the weight of each mouse.At the end of the study,the scientist notes that 3 mice died,40 mice lost weight,40 mice gained weight,and the remaining 17 mice didn't gain or lose weight during the 12-week period.Based on this information,what would you tell the researcher about her findings?

• A)The findings are very interesting and provide scientific proof that cadmium causes weight loss.
• B)The findings are not meaningful because of the way the scientist designed her study.
• C)The findings are biased because the scientist used mice instead of humans in her study.
• D)The findings are newsworthy and important enough to be published in a peer-reviewed nutrition journal.

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Definitions:

Marginal Utility

The change in satisfaction or utility that an individual gains from consuming an additional unit of a good or service.

Consumer Equilibrium

A state where an individual allocates their income in a way that maximizes their utility, given their budget constraints.

Marginal Utility

The extra pleasure or benefit a consumer receives from using an additional unit of a product or service.

Equilibrium Prices

The price at which the quantity of goods supplied is equal to the quantity of goods demanded.