Chapter 7
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
