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:

    “Lord Angelo is precise,
    Stands at a guard with envy, scarce confesses
    That his blood flows, or that his appetite
    Is more to bread than stone. Hence shall we see
    If power change purpose, what our seemers be.”
    —William Shakespeare (1564–1616)

    “Wild roses, at your back porch, break their blood,
    And bud to test surprises of sea air,”
    —Howard Moss (b. 1922)