Human blood plasma (12) and interstitial fluids (13) contain several such reductants,. Does anyone know what TQH is? I also have Hashimotos but not sure if that's relevant. A description of some widely used blood tests, including full blood count (FBC), erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) tests. This test can help your doctor decide whether you have anaemia (lack of haemoglobin); whether you have normal white blood cells (which help to fight infection). Lab Tests Online-UK is written by practising laboratory doctors and scientists to help you understand the many clinical laboratory tests that are used in diagnosis,. Blood tests have a wide range of uses and are one of the most common types of medical test.