Evaluation · Q7
Q.PET scan uses
(a) Radio isotopes
(b) UV rays
(c) Ultra sound
(d) IR waves
Tamil Nadu DgeTextbookSubjectiveImportance★★★★★est
21% · 7/34 Questions
You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.
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. …
Unlock everything free for 14 days
- Full step-by-step solutions
- Concept-first explanations
- Methods, shortcuts & mistakes
- PYQ mapping + timed mock tests
Full access for 14 days. No credit card required.