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 Equal Rights Amendment (ERA) was a proposed amendment to the United States Constitution designed to guarantee equal rights for women.The ERA was originally written by Alice Paul and Crystal Eastman. In 1923, it was introduced in the Congress for the first time.hrough 1977, the amendment received 35 of the necessary 38 state ratifications. Five states later rescinded their ratifications before the 1979 deadline. In 1978, a joint resolution of Congress extended the ratification deadline to June 30, 1982, but no further states ratified the amendment and it died.