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 proposed by the Congress on December 9, 1803 and was ratified by the requisite number of state legislatures on June 15, 1804. The Twelfth Amendment (1804) corrects a problem that has arisen in the method of electing the president and vice president.he 12th amendment was passed because of the election between John Adams and Thomas Jefferson in 1796. Originally, the second place candidate would become the Vice President.