For Recruitment questions, contact the County of Santa Clara Human Resources at (408) 299-6816. For Health and Hospital related recruitments, contact the Santa Clara Valley Health and Hospital System Human Resources at (408) 885-5450.
The T4 test is known as the thyroxine test. The TSH test measures the level of thyroid-stimulating hormone in your blood. These are the two most common thyroid function tests and are usually ordered together. They are routinely performed on newborn babies to identify a low-functioning thyroid gland.
Guide. Thyroid hormone tests are blood tests that check how well the thyroid gland is working. The thyroid gland makes hormones that regulate the way the body uses energy. The thyroid gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx).hyroid hormone tests are done to: 1  Find out what is causing an abnormal thyroid-stimulating hormone (TSH) test. 2  Check how well treatment of thyroid disease is working. 3  Screen newborns to find out if the thyroid gland function is normal.