The Most Plausible Explanation for the Negative Correlation Between Cigarette

question 118

Multiple Choice

The most plausible explanation for the negative correlation between cigarette smoking and Alzheimer's disease is that

• A) nonsmokers are likely to eat a healthier diet, and diet has been implicated in the development of Alzheimer's disease.
• B) smokers are likely to eat a healthier diet, and diet has been implicated in the development of Alzheimer's disease.
• C) nicotine combats the Alzheimer's disease process.
• D) nonsmokers live longer, and are thus more likely to develop Alzheimer's disease, which appears in later life.

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Definitions:

Viral RNA

The genetic material of certain viruses, composed of ribonucleic acid (RNA), which enables them to replicate and infect host cells.

Cardiovascular System

Organ system of humans that consists of the heart and blood vessels; transports blood, nutrients, gases, and wastes; assists in the defense against disease; helps control homeostasis.

Endocrine System

A collection of glands that secrete hormones directly into the circulatory system to be carried towards distant target organs.