Drug testing

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Drug Testing

Drug testing (pronunciation: /drʌɡ 'tɛstɪŋ/) is a technical analysis of a biological specimen, such as urine, hair, blood, breath, sweat, or oral fluid/saliva, to determine the presence or absence of specified parent drugs or their metabolites.

Etymology

The term "drug testing" is derived from the English words "drug", which is a substance that has a physiological effect when ingested or otherwise introduced into the body, and "testing", which refers to the act of conducting a test in order to determine something.

Related Terms

  • Drug: A substance used for medical treatment, especially a medicine or medication.
  • Metabolite: A substance formed in or necessary for metabolism.
  • Urine: A watery, typically yellowish fluid stored in the bladder and discharged through the urethra.
  • Blood: The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
  • Breath: The air taken into or expelled from the lungs.
  • Sweat: Moisture exuded through the pores of the skin, typically in profuse quantities as a reaction to heat, physical exertion, fever, or fear.
  • Oral fluid: A clear, slightly alkaline secretion from the salivary glands that moistens the mouth, lubricates ingested food, and begins the breakdown of starches.

Types of Drug Testing

There are several types of drug testing, including:

  • Urine drug testing: This is the most common type of drug testing and is typically used to detect recent drug use.
  • Blood drug testing: This type of testing is used to detect current drug use and is the most accurate but also the most invasive and expensive.
  • Hair drug testing: This type of testing can detect drug use over a longer period of time, typically up to 90 days.
  • Saliva drug testing: Also known as oral fluid drug testing, this type of testing can detect drug use in the previous 24-48 hours.
  • Sweat drug testing: This type of testing involves the collection of sweat over a period of time, typically 1-2 weeks, to detect drug use.

See Also

External links

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