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Exposure limited are measured and expressed as concentrations of a substances presence in one milliliter of blood?
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What chemical agents produce temp disabling conditions that can be physical or mental and persist for hours or days after exposure?
Thes are the substances with pharmacodynamic effects.
Working with radioactive substances eventually led to which scientist and acirc and 128 and 153s death?
Marie Curie, the renowned physicist and chemist, worked extensively with radioactive substances, especially radium and polonium. Her long-term exposure to radiation, coupled with the lack of knowledge about its dangers at the time, contributed to her death from aplastic anemia in 1934.
What chemical agents produce temporary disabling conditions that can be physical or mental and persistent for hours or days after exposure to the agent has ceased?
These are substances with phaemacodynamic efects as drugs.
What chemical agents produce temporary disabling conditions that can be physical or mental and persist for hours or days after exposure to the agent has ceased?
These are substances with phaemacodynamic efects as drugs.
Is nitogen dioxide poisonous?
Nitrogen dioxide is toxic by inhalation. However, as the compound is acrid and easily detectable by smell at low concentrations, inhalation exposure can generally be avoided. One potential source of exposure is fuming nitric acid, which spontaneously produces NO2 above 0 °C. Symptoms of poisoning (lung edema) tend to appear several hours after inhalation of a low but potentially fatal dose. Also, low concentrations (4 ppm) will anesthetize the nose, thus creating a potential for overexposure.
Can oxygen kill you?
Yes. Long-term exposure to high concentrations of oxygen can be fatal.
Depending on the duration of exposure to carbon monoxide death can occur in concentrations as low as?
800 ppm
What is dermal exposure mean?
Dermal exposure refers to the contact or exposure of the skin to potentially harmful substances such as chemicals, toxins, or allergens. This type of exposure can occur through direct skin contact with these substances, which may lead to skin irritation, allergies, or other health effects.
What is the exposure limit to LEL?
The exposure limit to Lower Explosive Limit (LEL) varies depending on the specific substance. It is usually expressed as a percentage of the gas or vapor in the air concentration that presents a potential explosion hazard. It is important to refer to the Material Safety Data Sheet (MSDS) or other relevant safety guidelines for specific exposure limits for different substances.
Are Diesel Fumes Dangerous?
Prolonged exposure, or in high concentrations can cause brain damage or even asphyxiation.
Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as?
prolonged exposure to high hormone concentrations desensitizes the target cells, so that they respond less vigorously to hormonal stimulation. This "down-regulation" involves loss of receptors and prevents the target cells from overreacting
What abnormal substances in a urine speciman will decrease if the urine had prolonged exposure to light?
bilirubin
What does COSHH provide information on?
COSHH is Control of Substances Hazardous to Health. It is a law that requires employers to control substances that are hazardous to health. There are several methods to reduce workers exposure to hazardous substances.
Which route of exposure is not wide spread in industry?
Ingestion is a route of exposure that is not as widespread in industry compared to inhalation and dermal exposure. This is because industrial processes are typically designed to minimize the risk of accidental ingestion of harmful substances.
Exposure to x-rays ultraviolet rays and radioactive substances may promote what?
diversity among organisms
What are the hazards in petrochemical industry?
exposure to toxic substances and explosive situations causes hazards in petrochemical industry.
What is needed for producing a mesothelioma claim?
You would need to have prior exposure to the substances that cause mesothelioma. There would also have to be proof that you were forced to be exposed to these substances in the course of your work for a company or governmental agency.
