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:

    But we have reason to cool our raging motions, our carnal stings, our unbitted lusts; whereof I take this that you call love to be a sect or scion.... It is merely a lust of the blood and a permission of the will.
    William Shakespeare (1564–1616)

    The first reading of a Will, where a person dies worth anything considerable, generally affords a true test of the relations’ love to the deceased.
    Samuel Richardson (1689–1761)