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Acute toxicity describes the adverse effects of a substance that result either from a single exposure [1] or from multiple exposures in a short period of time (usually less than 24 hours). [ 2 ] To be described as acute toxicity, the adverse effects should occur within 14 days of the administration of the substance.
Acute exposure A single exposure to a toxic substance which may result in severe biological harm or death; acute exposures are usually characterized as lasting no longer than a day. Chronic exposure Continuous exposure to a toxicant over an extended period of time, often measured in months or years; it can cause irreversible side effects.
In 40 CFR 156.62, the EPA established four Toxicity Categories for acute hazards of pesticide products, with "Category I" being the highest toxicity category (toxicity class). Most human hazard, precautionary statements, and human personal protective equipment statements are based upon the Toxicity Category of the pesticide product as sold or ...
Acute exposure to naphthalene is unlikely to cause toxicity and must be ingested unless prolonged contact is provided along the skin or eyes. After ingestion of mothballs containing naphthalene, symptoms of haemolytic anaemia are presented and treated normally through the use of methylene blue and regular blood transfusions, and patients are ...
Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed to high amounts of ionizing radiation in a short period of time. [1] Symptoms can start within an hour of exposure, and can last for several months.
A toxic injury is a type of injury resulting from exposure to a toxin. Toxic injuries can manifest as teratogenic effects, respiratory effects, gastrointestinal effects, cardiovascular effects, hepatic effects, renal effects, neurological effects, or a combination thereof.
President Joe Biden, aiming to highlight his legislative accomplishments this election year, traveled to New Hampshire on Tuesday to discuss how he's helped military veterans get benefits as a ...
Acute inhalation injury may result from frequent and widespread use of household cleaning agents and industrial gases (including chlorine and ammonia).The airways and lungs receive continuous first-pass exposure to non-toxic and irritant or toxic gases via inhalation.