7.17.57 Toxicology and Chemical Risks

Which is a known carcinogen?

• Asbestos
• Lead
• Atrazine
• Thalidomide
• DDT

A growing problem in the healthcare systems of developed nations is an increase in

• the plague.
• multiple drug resistance.
• acute diseases.
• mad cow disease.
• AIDS/HIV.

Most insecticides impair nerve transmission in insects. This category of chemical is known as

• teratogens.
• allergens.
• neurotoxins.
• endocrine disrupters.
• carcinogens.

Heavy metals that pose a threat to individuals when found in the environment belong to the class of chemicals called

• carcinogens.
• neurotoxins.
• teratogens.
• allergens.
• endocrine disrupters.

Carcinogens affect cells by<br />I. damaging the genetic material of the cell.<br />II. interfering with the normal metabolic processes of the cell.<br />III. rupturing cell organelles.

• I only
• II only
• I and II
• I and III
• I, II, and III

Which is NOT a carcinogen?

• Asbestos
• Formaldehyde
• Chemicals found in tobacco
• Thalidomide
• Radon

Use Table 17-2. Which risk factor is higher for world population than it is for high-income populations?

• Alcohol use

• Illicit drugs

• Tobacco use

• All of the risk factors are higher for the overall population than for high-income individuals.

• None of the risk factors are higher for the overall population than for high-income individuals.

Use Figure 17-2. In the United States and Canada, ____ of deaths over the age of 30 are attributed to tobacco use.

• less than 40 percent

• less than 20 percent

• 15 - 19 percent

• 10 - 14 percent

• 5 - 9 percent

Use Figure 17-2. Which is an accurate comparison of tobacco use among nations?

• Africa has a higher rate of death related to tobacco use than South America.

• North America has a higher rate of death related to tobacco use than Africa.

• Africa has a higher rate of death related to tobacco use than Australia.

• North America has half as many tobacco-related deaths as India.

• Russia and South America have the same rate of death related to tobacco use.

You have a friend who has breathing difficulties and hives when consuming peanuts. In this example, peanuts would be considered a(n)

• allergen.
• antihistamine.
• pathogen.
• mutagen.
• disruptor.