A thyroid scan can show the size, shape, and location of the thyroid gland . It can also find areas of the thyroid gland that are overactive or underactive. The camera takes pictures of the thyroid gland from three different angles. The radioactive tracer used in this test is either iodine or technetium.
The current U.S. Senate has 54 Republicans and 45 Democrats (including one independent). The 2016 Senate election takes place on November 8, 2016. There are 34 seats up in 2016, of which 24 are held by Republicans. Democrats will need to gain 4 or 5 seats to take control.
Only 10 Senate Democrats are up for re-election in 2016, the residual benefit of the shellacking they took in 2010 when tea party Republicans swept into office.The only two challenges Democrats likely will face will be defending Michael Bennet's seat in Colorado and Reid's in Nevada.eanwhile, Republicans need to defend 24 seats. Democrats likely will need to pick up five seats to take back the Senate. They'll have a variety of routes to get there. 1  Illinois: Sen. Mark Kirk (R) is perhaps the most vulnerable Republican, running in a blue state in 2016.