1 History presents an historian with the task of producing a dialogue between the past and the present. 2  But as these temporal co-ordinates cannot be fixed, history becomes a continuous interaction between the historian and the past.
A routine blood test usually only test for some general features, like potassium, sodium, creatinine, urea, C-reactive protein and a few other. It does often make a blood count of both red blood cells and white blood cells too. In that way it can detect leukemia.
What Blood Tests Need Fasting Preparation? Blood tests are done to check for pregnancy, diabetes, cholesterol and vitamin and mineral problems. Most blood tests do not need any preparation. For those that do, make sure the instructions given by the physician are clear. If there are any questions, be sure to get the answers before testing day.