Many people who have been diagnosed with a health problem have to have numerous tests performed on them on a weekly or monthly basis. To understand them is hard enough, but to know how they are done helps a lot of people have a better understanding. Here are a few facts for you on a few of the most common tests.
- Pregnancy test-the lab tech will use a very small needle to draw blood from your arm. They will tourniquet your arm and use alcohol to clean the veined area, and then they will puncture your vein to with draw the blood. Then the blood is sent to the lab to determine how much pregnancy hormone is present.
- Cholesterol test-this is done almost the same as pregnancy, blood is drawn from your arm, and then it is sent to the lab to see how much cholesterol and triglycerides in serum of the blood.
- Electronic cross-match-this test is where they will take your blood and use it against the donors blood electronically
- Serological cross-match-this test the drawn your blood but then it is done through the red blood cells in the blood. They test for antibodies against the antigens and if this happens then the donor is incompatible to be a donor.