The Antilles (/ Ã¦ n Ë t Éª l iË z /; Antilles in French; Antillas in Spanish; Antillen in Dutch and Antilhas in Portuguese) is an archipelago bordered by the Caribbean Sea to the south and west, the Gulf of Mexico to the northwest, and the Atlantic Ocean to the north and east.
Drug test. For other uses, see Drug testing (disambiguation). A drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/salivaâto determine the presence or absence of specified parent drugs or their metabolites.
A urine sample is a painless way for your doctor to evaluate your health and test for abnormalities. One thing your doctor may check for in your urine sample test (urinalysis) is specific gravity. A urine specific gravity test compares the density of urine to the density of water.This quick test can help determine how efficiently your kidneys are diluting your urine. urine sample is a painless way for your doctor to evaluate your health and test for abnormalities. One thing your doctor may check for in your urine sample test (urinalysis) is specific gravity. A urine specific gravity test compares the density of urine to the density of water.