Answer :
Answer: a position emission tomography(PET) scan
Explanation:
What is a position emission tomography (PET) scan?
A positron emission tomography (PET) scan is a test which is helpful in depicting the functioning of your tissues and organs.
This scan utilizes a radioactive substance also known as tracer to show these functions. It can detect if there are any diseases in your body, this tracer is swallowed or injected or even inhaled based on which organs of interest are to be examined. A high chemical activity will indicate an area that is affected by a particular disease in your body.
This scan is crucial for detection of cancer, brain malfunction and heart diseases