Evaluation · Q7
Q.PET scan uses
(a) Radio isotopes
(b) UV rays
(c) Ultra sound
(d) IR waves
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Start your 14-day free trial to unlock the full solution →Step 1. PET (positron emission tomography) works by introducing a radioactively labelled tracer molecule into the body and detecting the positrons it emits as it decays.
Step 2. These tracers are made using positron-emitting radioisotopes - such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18 - produced in a cyclotron; the most common tracer, 18F-fluorodeoxyglucose, is a radioactively labelled sugar molecule built around one of these isotopes. …
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