Blood Test

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:

    “Refuse them!
    If we too miss out, don’t create our lives,
    invent or deeds, do them, dance
    a tune with our own feet,
    we shall thirst in Hades,
    in the blood of our children.”
    —Denise Levertov (b. 1923)

    “To test a modest man’s modesty do not investigate if he ignores applause, find out if he abides criticism.”
    —Franz Grillparzer (1791–1872)