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.
Dumb in the sense âlacking the power of speechâ is perceived as insulting when describing humans (but not animals), probably because dumb also means âstupid; dull-witted.â The noun dummy in the sense âperson who lacks the power of speechâ is also perceived as insulting, as are the terms deaf-and-dumb, deaf-mute, and mute.