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.
( The words Congressman, Congresswoman and congressmen are often used to describe only members of the house, but be sure to know that the US Congress includes the Senate as well as the House of Representatives. The senators are also Congressmen, in a way, and they serve six-year terms with 1/3 of the terms expiring every two years. Elections for the House and Senate are held on the same day in November every two years. ) Two years is the length of a term in the US House of Representatives . There are no restrictions on how many times a representative can be re-elected.