A screening test shows the chance that a baby has a certain birth defect. The accuracy of a screening test is based on how often the test correctly finds a birth defect. The nuchal translucency test correctly finds Down syndrome in 64 to 70 out of 100 fetuses who have it.
Why Words are More Powerful than Swords. Words are powerful because they carry energy, sound, and frequency, which are some of the building âblocksâ of matter. Furthermore, they carry information that can be used as knowledge to create or destroy things.
adjective. 1  Having or capable of exerting power. 2  Effective or potent: a powerful drug. 3  Chiefly Upper Southern US Great: â[Everybody had] a powerful lot to say about faith and good works and free grace &ellipsis; and I don't know what allâ (Mark Twain).