Assessing Claims and Evidence

Question 1

What information allows you to conclude that this article is reliable? Check all that apply.

Revolt · Accepted Answer

More than 50 studies were conducted.; The US Public Health Service was responsible for part of the study.

Question 2

What information is presented as a fact in the article? Check all that apply.

Revolt · Accepted Answer

The data cannot be studied in context.; It is difficult to tell if fluoride causes this cancer.; The sources diagnosing the cancer may be unreliable.

Question 3

In assessing whether fluoridated water can cause cancer, what do the National Research Council, National Health Service, and Centers for Disease Control and Prevention all agree on?

Revolt · Accepted Answer

There is a need for further research.

Question 4

Which claim can be made using both facts?

Revolt · Accepted Answer

It is possible that there is a link between gender and fluoride’s ability to cause certain types of cancer.

Question 5

If you have a concern about fluoride in your drinking water, how do you get more information?

Revolt · Accepted Answer

Contact the local community water system.

Question 6

According to the article, what valid claim came from the National Research Council?

Revolt · Accepted Answer

There is no association between fluoride exposure and increased cancer risk in humans.

Question 7

One study factored in fluoride levels in the bone near tumors. If there was a connection between osteosarcomas and fluoride, what would have been the outcome?

Revolt · Accepted Answer

Fluoride levels in the bone would be higher in individuals with osteosarcomas.

Assessing Claims and Evidence Answers

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