Figure another roof pitch to use when the contractor assembles a pair of rafters for evaluation of the pitch. To do this, use one hand to hold the longer leg of the square in place with the 12-inch mark at the edge of the board. Move the short leg toward you and align the 5-inch mark at the edge of the board.
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).
Laboratory Tests. The first test a health practitioner will usually order to detect thyroid dysfunction is a test for thyroid stimulating hormone (TSH) . If the TSH level is abnormal, the health practitioner will usually order a test for free thyroxine (free T4) to confirm the diagnosis.