A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a needle, or via fingerprick. Blood tests are used to determine physiological and biochemical states, such as disease, mineral content, drug effectiveness, and organ function. They are also used in drug tests.
Read more about Blood Test: Extraction
Famous quotes containing the words blood and/or test:
“To-day there is hardly a woman of intelligence in all America ... who is not definitely and actively concerned in some social interest, who does not recognize some duty besides those incident to her own blood relationship.”
—Charlotte Perkins Gilman (1860–1935)
“The difference between writing a book and being on television is the difference between conceiving a child and having a baby made in a test tube.”
—Norman Mailer (b. 1923)