A Scientist Adds 5 Mcg of the Mineral Cadmium to the Daily

question 46

Multiple Choice

A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100 4-week-old laboratory mice.After 12 weeks,the researcher weighs and takes blood samples from each mouse.According to her findings,the mice lost weight during the 12-week period,and they have abnormal levels of certain hormones in their blood.Based on this information and your knowledge of scientific research,what would you tell the researcher about her findings?   

• A)Her results are very interesting,and she should report her findings to nutrition scientists,so they can repeat her study and confirm the results.
• B)The findings are not meaningful or valid because of the way she designed her study.
• C)She needs to conduct more tests on the animals' blood,because her findings are incomplete.
• D)The findings need to be summarized in a research article for submission to a peer-reviewed nutrition journal. 

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Definitions:

Productivity

Measures the efficiency of production as output per unit of input, essential for economic growth and competitiveness.

Inflation

The magnitude of growth in general service and product prices, causing a decrease in the ability to buy.

Overall Level

A general or comprehensive scope or scale, often referring to the magnitude or intensity of a phenomenon or activity.

Prices

The financial outlay necessary for acquiring a commodity, service, or asset.