Chapter 7

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True

Asbestosis develops only after years of exposure to high concentrations of asbestos fibers

False

Bisphenol A has been shown to induce liver cancer in humans even at low levels of exposure

lead

Can cause learning disabilities, anemia, and gout

Methyl Mercury

Can cause minamata disease

False

Carrots, beets and potatoes are more likely to be contaminated with lead than are spinach and lettuce

True

Dioxin is a very stable chemical persisting in soils for many years after deposition

False

Dioxin reputation as an extremely toxic chemical is due to the fact that hamsters are quickly killed by very minute doses of TCDD

False

Elevated levels of mercury have been found in farmed salmon due to contamination of their feed with toxic substance

False

Encapsulation is the most commonly chosen asbestos abatement option

True

In spite of the fact that PCBs were developed strictly for industrial use they have become very widespread throughout the natural environment

True

Ingesting asbestos with drinking water, as opposed to inhaling asbestos fibers does not appear to increase the risk of asbestos-related disease

asbestos enters body where?

Inhalation

False

Inorganic forms of mercury are more toxic to humans than are organic mercury compounds such as methyl mercury

False

Lead that is inhaled poses less risk to adults than does lead that is ingested, because most of it is quickly exhaled

True

Lead-base house paint is still causing lead-poisioning cases among children

False

Lung damage especially lung cancer is the major problem experienced by those who inhale mercury vapors

True

Mercury is an example of a toxic substance that bioaccumulates as it moves up the food chain

False

Mesothelioma is currently the leading cause of asbestos-related death in the U.S.

True

Occupational exposure to mercury fumes is widespread among dentists and dental hygienists

True

Only friable asbestos presents serious health concerns in public building

True

PCBs are very useful synthetic organic chemicals that have been used in a wide range of industrial products

False

TCDD (dioxin) has been manufactured for use in hundreds of valuable commercial products

True

The 1986 asbestos Hazard Emergency Response Act not only requires schools to inspect for the presence of asbestos but also to carry out an abatement plan if asbestos-containing materials are found.

True

The food most directly associated with increasing human body levels of PCBs is freshwater fish

false

The ost common adverse health effect associated with PCB exposure is liver cancer

True

The recommended method for disposal of asbestos wastes following an abatement project is burial in a sanitary land fill

True

There is no convincing evidence that PCBs cause any chronic health problems in humans

False

When taken into living organisms, PCBs accumulate in the bones

Inorganic mercury

also knows has mad hatters disease

dioxin and PCB

can cause chloracne

Dioxin

can cause disruption of hormonal system

mercury

can cause fetal brain damage

PCBs enters body where?

ingestion

dioxin enter body where

ingestion

methyl mercury enters body where

ingestion

lead enters body where

inhalation and ingestion

Inorganic mercury enters body where

inhalation and skin absorption

Asbestos

what can cause Lung Cancer and mesothelioma


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