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.
Blood Tests. Blood tests help doctors check for certain diseases and conditions. They also help check the function of your organs and show how well treatments are working. Blood tests are very common. When you have routine checkups, your doctor may recommend blood tests to see how your body is working. Many blood tests don't require any special preparations. For some, you may need to fast (not eat any food) for 8 to 12 hours before the test.