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.
Sanders is the Senator of Vermont, the nation's longest serving Independent Congressman, and the author of The Speech, about his 8.5 hour-long, near fillibuster on December 10, 2010 on the extension of the Bush-era tax rates. [1].