### exposure:

Acute exposure
* can also damage the liver, kidneys, and central nervous system in humans
  - burn the skin, eyes, throat, and lungs
* can cause gastrointestinal tract upset and narcosis
  - nausea, metallic taste, abdominal pain, vomiting, diarrhea, and headache
  - irritate the skin and mucous membranes in humans
  - lead to death from respiratory and circulatory failure
  - severely burn the skin and eyes
* causes damage
  - eye and nose irritation, narcosis, incoordination, and loss of consciousness
  - irritation, narcosis, and gastrointestinal tract irritation
  - permanent damage
* irritates the eyes and air passages
  - upper respiratory tract
  - eyes, nose, throat and lungs
* short contact with a chemical.

Arsenic exposure
* can cause a variety of adverse effects
  - increase cancer risk, cause skin problems, and blood and nerve disorders
  - pose both long term and short term health effects
  - result in lung, skin, intestinal, kidney, liver and bladder cancers
* is usually suicidal, homicidal, or occupational.

Brief exposure
* causes skin irritations with discomfort or rash.
* has impact
  - term impact

Chemical exposure
* are either chronic or acute.
* can also damage cables and connectors
  - result in changes that trigger the coagulation process
* is especially damaging to children.

### exposure:

Chronic exposure
* can also cause sloughing of nasal mucosa.
* can cause liver damage
  - permanent damage to the alveoli of the lungs
  - damage the kidneys, liver, and lungs
* can lead to chronic bronchitis, wheezing, and build-up of fluid in the lungs
  - lung changes evident on chest x-ray
* can produce damage to the liver and kidneys
  - significant damage to the heart, lungs, liver, and kidneys
* can result in dermatitis and system effects
  - perforation of the nasal septum
* causes fluorosis with symptoms of weight loss, malaise, and anemia
  - weakness, pain in the extremities and hair loss
* damages the thyroid gland and nervous system.
* is exposure spread over a longer period of time
  - linked to kidney, reproductive and neurological disease
  - over a long period is usually necessary to experience a risk to health
* occurs over weeks or months.
* produces alopecia, peripheral neuropathy, seizures, and renal failure

Dermal exposure
* is possible when handling leaded gasoline containing ethylene dibromide.
* poses a significant risk to utility workers who install and climb poles.
* refers to contamination of the skin with the product.

Direct exposure
* can lead to headaches, blurred vision, nausea, and dizziness.
* leads to problems.
* reduces the rate of growth.

Excessive exposure
* can affect blood, nervous and digestive systems
  - cause liver damage and other health problems
* can produce muscular tremors, uncontrolled mucous secretion, convulsion and coma
  - serious, possible irreversible lung damage

External exposure
* can cause burns, radiation poisoning , and death.
* occurs when the radiation source is outside the body.
* result from radiation sources which are located outside of the body.

### exposure:

Human exposure
* Most human exposures are the result of accidental or careless handling of grounded bats.
* appears to come mostly from food or occupational exposure.
* causes irritation of eyes, mucous membranes and skin.
* comes through the food chain, or exposure to contaminated water or air.
* is common because pesticides are used extensively
  - from air, drinking water and food in addition to in the workplace
* is primarily due to inhalation
  - in the workplace via dermal contact
  - occupational via inhalation and dermal contact
  - principally occupational
* occurs mainly by breathing contaminated air or ingesting contaminated food or drink
  - primarily through numerous non-pesticidal uses of kaolin
  - through food consumption or ground and surface water contamination
* results primarily from food.