Tobacco Smoke Is a Much Deadlier Carcinogen and Triggers a Broader

question 143

Multiple Choice

Tobacco smoke is a much deadlier carcinogen and triggers a broader variety of cancers than previously believed. A new study provides definitive evidence that secondhand smoke increases the risk of those exposed by 20%. Also, the study firmly links smoking to stomach, liver, cervical, and kidney cancer, as well as to myeloid leukemia. Such links were previously suspected but not proved. Thomas Maugh II, "Smoking Goes from Bad to Worse"

• A) Argument; conclusion: The study firmly links ... myeloid leukemia.
• B) Argument; conclusion: Such links were previously suspected but not proved.
• C) Argument; conclusion: Tobacco smoke is a much deadlier ... believed.
• D) Argument; conclusion: A new study provides ... those exposed by 20%.
• E) Nonargument.

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Definitions:

Correlational Design

A research method that examines the relationship between two or more variables without manipulating them.

Scientific Information

Knowledge obtained through systematic observation, experimentation, and analysis, often peer-reviewed and published in scientific journals.

Research

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

Incidence

An epidemiological measure used to assess the frequency of new occurrences of a disease or event in a population over a period.