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:

    “Myth is an attempt to narrate a whole human experience, of which the purpose is too deep, going too deep in the blood and soul, for mental explanation or description.”
    —D.H. (David Herbert)

    “Poetry is important. No less than science, it seeks a hold upon reality, and the closeness of its approach is the test of its success.”
    —Babette Deutsch (1895–1982)