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 Senate. The United States Senate is a part of the bicameral Congress, consists of 100 elected Senators, each state is represented by two Senators. Massachusetts has been represented in the United States Senate by two former Presidents, John Quincy Adams and John F. Kennedy.