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.
United States Congress elections, 2016. A total of 469 seats in the U.S. Congress (34 Senate seats and all 435 House seats) were up for election on November 8, 2016. The big story of the 2016 congressional election cycle was whether or not the Democratic Party would be able to regain control of the Senate.