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 the most highly publicized and debated constitutional amendment before the United States for most of the 1970s and early 1980s. First submitted by Congress to the states for ratification on March 22, 1972, it failed to be ratified by its final deadline of June 30, 1982.f ratified, the ERA would have become the Twenty-Seventh Amendment to the Constitution. The proposed addition would have read, Equality of rights under the law shall not be denied or abridged by the United States or by any State on account of sex..