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Article: Taking a Blood Test
- Article from:
- The Washington Post
- Article date:
- June 30, 1987
- Author:
CopyrightThis material is published under license from the Washington Post. All inquiries regarding rights should be directed to the Washington Post. (Hide copyright information)
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When you go to the doctor for your physical, you probably have to
get a blood test. Sometimes, the test is a simple finger stick-one
quick ouch, and it's all over. Sometimes, your doctor needs to get
more and uses a syringe to draw a test tube of blood from your arm.
Have you ever wondered what happens to the blood after the
doctor or nurse takes it from your body? Experts can tell a lot of
things about your health by examining your blood.
That's not so surprising when you consider all the important
jobs blood does in the body. It carries oxygen to your cells to give
you energy. It fights infection and illness. It does the repair
work when you get a cut or a bruise. And it carries ...