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.
If you go by the number of offices held, Republicans have a distinct edge. Republicans hold both governorship and control of state legislatures in 24 states. Democrats can muster only 7. Republicans control some 68 of 98 house and senate chambers at the state level. There are several reasons for the apparent paradox.