T (Thymus Derived) Lymphocyte Count. Definition. T cells are a type of white blood cells (lymphocytes). They make up part of the immune system. T cells help the body fight diseases or harmful substances. A test can be done to measure the number of T cells in your blood. Thymus derived lymphocyte count; T-lymphocyte count.
The road test generally takes 15 to 20 minutes. 1  If you fail the road test you must wait a minimum of two weeks (14 days) before taking the road test again and must pay another $40 testing fee. 2  Test results are valid for 2 years. If you fail the road test you must wait a minimum of two weeks (14 days) before taking the road test again and must pay another $40 testing fee. 2  Test results are valid for 2 years.
Have to wait for 7 days before retaking the test in 7 days you.... 11. 0. If you failed the driving test in first time in Texas, you can retake it and complete the remaining portion of the test.If you fail in the 2nd attempt too, you will have to wait for 7 days before retaking the test in 7 days you can practice for test.If you failed in third attempt too you will have to wait for 30 days. you have to re-apply for a provisional license and can take the test after 6 months.1. 0. If you failed the driving test in first time in Texas, you can retake it and complete the remaining portion of the test. If you fail in the 2nd attempt too, you will have to wait for 7 days before retaking the test in 7 days you can practice for test.