All of the Following Statements About Precancerous Changes in the Oral

question 70

Multiple Choice

All of the following statements about precancerous changes in the oral cavity are true EXCEPT:

• A) Excessive keratin appears clinically as an ulceration.
• B) There may be a lack of keratin production.
• C) Abnormal cells can divide at a rapid rate under the influence of a carcinogen.
• D) There may be a combination of both excessive keratin and a lack of keratin production.

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Definitions:

Demographic Transition

The transformation of a population from high birth and death rates to low birth and death rates, typically associated with industrial and economic development.

Birthrates

The annual count of live births for every thousand people in a population.

Death Rates

The number of deaths in a particular population, scaled to the size of that population, per unit of time.

Demographic Characteristics

The statistical aspects of a population being analyzed or reviewed, such as age, sex, income, education level, and marital status.