Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive chemical) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that collects in cells that are using a lot of energy, such as cancer cells.
The Eleventh Amendment was ratified in 1798 in order to overrule the Supreme Courtâs decision that a South Carolina citizen could sue the state of Georgia for money damages.he Eleventh Amendment was ratified in 1798 in order to overrule the Supreme Courtâs decision that a South Carolina citizen could sue the state of Georgia for money damages.
The Twelfth Amendment was introduced by Congress on December 9th, 1803, and ratified by the states on June 15th, 1804. This Constitutional Amendment would provide for the process in which the President and Vice-President of the United States would be elected, creating what is now known as the Electoral College.he Twelfth Amendment was introduced by Congress on December 9th, 1803, and ratified by the states on June 15th, 1804. This Constitutional Amendment would provide for the process in which the President and Vice-President of the United States would be elected, creating what is now known as the Electoral College.