grass roots - the common people at a local level (as distinguished from the centers of political activity) plural, plural form - the form of a word that is used to denote more than one
1 A hepatitis C virus test. 2  This is a blood test that looks for antibodies against the hepatitis C virus. 3  It shows whether you have been exposed to the virus. 4  A rapid test is available that gives results in 20 minutes. 5  A blood test that looks for the genetic material (RNA) of the hepatitis C virus.
The human chorionic gonadotropin (hCG) test is done to check for the hormone hCG in blood or urine. Some hCG tests measure the exact amount and some just check to see if the hormone is present. HCG is made by the placenta during pregnancy.