Hi there I am looking for some help with my study guide toxicology questions 14.

Question

Hi there I am looking for some help with my study guide toxicology questions

14. An example of an area source of air emissions would be:

A. A volcano

B. A moving car

C. A gas station

D. A power plant

15. Which of the following is considered to be “good up high and bad nearby”?

A. Ozone

B. Carbon monoxide

C. Carbon dioxide

D. Sulfur dioxide

16. Which of the following water disinfectants is safest from the perspective of not producing any known DBPs?

A. Chlorine

B. Chloramine

C. Ozone

D. UV

17. The most significant anthropogenic source of carbon monoxide would be classified as a:

A. Point source

B. Area source

C. Mobile source

D. Natural source

18. According to Genius (2006), what do some scientists believe is the most frequent cause of childhood cancer and leukemia?

A. Pharmaceuticals in drinking water

B. Exposure to diuretics in utero

C. Prenatal exposure to carbon monoxide and other industry emissions

D. Neonatal exposure to polyvinylchloride (PVC) plastic

19. In the Genius (2006) article, what did the scientists who published in the journal Science discover about the possible transgenerational impact of exposure to environmental toxicants in pregnancy?

A. Epigenetic mechanisms may permanently alter the germ-line and genetic traits of offspring of an exposed individual

B. Epigenetic changes die out after three successive generations of offspring

C. Epigenetic changes only occur when a toxicant is an endocrine disruptor

D. Epigenetic changes never take place when the toxicant is a pesticide or fungicide

20. According to the article by Chemnick and Climatewire (2013), “Soggy Vancouver Island in British Columbia has become an unlikely new home for Cryptococcus gattii, a tropical and subtropical yeast-based fungus.” What health effect does this yeast-based fungus have on humans when it is inhaled?

A. None

B. Triggers asthma attacks

C. Causes a kind of meningitis

D. Eventually leads to lung cancer

Explanation / Answer

C. A gas station

Area sources are small sources of pollution like a gas station which emits less than 25 tons per year of a combination of pollutants in to the air. The area sources come under emissions from non-point sources.One of the biggest cause of area emission is population.

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