Just don't expect it to be found in Scotland, in the vicinity of a famous lake! 1  Plesiosaurus Facts. 2  Pliosaurus Facts. 3  Meet the Apex Marine Reptiles of the Later Mesozoic Era. 4  Ichthyosaurs, The Dolphin-Like Reptiles of the Mesozoic Era. 5  The Truth About Nessie, the World's Most Famous Living Dinosaur.
TESTS. Blood tests to measure TSH, T4, T3 and Free T4 are readily available and widely used. Tests to evaluate thyroid function include the following: TSH TESTS The best way to initially test thyroid function is to measure the TSH level in a blood sample.A high TSH level indicates that the thyroid gland is failing because of a problem that is directly affecting the thyroid (primary hypothyroidism).ests to evaluate thyroid function include the following: TSH TESTS The best way to initially test thyroid function is to measure the TSH level in a blood sample. A high TSH level indicates that the thyroid gland is failing because of a problem that is directly affecting the thyroid (primary hypothyroidism).
If your doctor suspects a thyroid disorder, a blood test can help provide an answer. This test measures the level of thyroid stimulating hormone (TSH), a kind of master hormone that regulates the work of the thyroid gland. If TSH is high, it typically means that your thyroid function is too low (hypothyroid).