Blood
Drug-testing a blood sample measures whether or not a drug or a metabolite is in the body at a particular time. These types of tests are considered to be the most accurate way of telling if a person is intoxicated. Blood drug tests are not used very often because they need specialized equipment and medically trained administrators.
Depending on how much marijuana was consumed, it can usually be detected in blood tests within six hours of consumption. After six hours has passed, the concentration of marijuana in the blood decreases significantly. It generally disappears completely within 30 days.
Famous quotes containing the word blood:
“The death clock is ticking slowly in our breast, and each drop of blood measures its time, and our life is a lingering fever.”
—Georg Büchner (1813–1837)
“The man who fears war and squats opposing
My words for stour, hath no blood of crimson
But is fit only to rot in womanish peace”
—Ezra Pound (1885–1972)
“Other sins only speak; murder shrieks out:
The element of water moistens the earth,
But blood flies upwards, and bedews the heavens.”
—John Webster (1580–1625)