Here is how to create a block quote in Word. Once you have typed in the text you want for your block quote: 1  Hit enter before the first word of the quote, and after the last word of the quote. 2  Highlight the text. 3  Right click and select paragraph. 4  Under indent change left to 1.
A positron emission tomography (PET) scan is a type of nuclear imaging test that shows the metabolic activities (energy usage) of your brain. While X-ray, CT, and MRI scans look at the anatomy of your brain, a PET scan can give your doctor information about how your brain is working.
Positron-emission tomography (PET) is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease. The system detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide , which is introduced into the body on a biologically active molecule.