For example, a 5 panel drug test checks for 5 drugs, while a 10 panel drug screen checks for 10 drugs. A standard 5 panel drug urine test is the drug test most frequently used by government agencies and private employers.
While a member of the senate is called a senator, a representative is simply called a congressman or a congresswoman. However, collectively, both senators and representatives are also referred to as congressmen. The word Senate comes from the Latin word senate meaning old man.
John Cornyn III (born February 2, 1952) is the senior United States Senator from Texas, serving since 2002. He is a member of the Republican Party and the current Senate Majority Whip for the 114th Congress. Cornyn previously served as Chairman of the National Republican Senatorial Committee from 2007 to 2011. Born in Houston, Cornyn is a graduate from Trinity University and St. Mary's University School of Law, receiving his LL.M. from the University of Virginia School of Law.