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.
53+ - Years in office of the longest currently serving congressman, John Dingell, D-Michigan. 5 - Net gain in number of seats women hold in 113th Congress over 112th. 3 - States with two women senators: California, New Hampshire, and Washington. 95 - Percent of the U.S. Senate that is white. By the Numbers: Politics in 2013. 19 - Percent of the U.S. House of Representatives that belong to minority groups.