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.
Members are divided into two houses, the upper house, or Senate, and the lower house, or House of Representatives (the House). The Senate: The Senate is comprised of 100 members, two from each of the 50 states. Each state elects its two Senators to six year terms. Elections are staggered in such a way that only one-third of Senate seats are up for election every two years.