The imaging technique that Jack is receiving is called the: positron emission tomography (PET) scan.
The positron emission tomography (PET) scan is a an imaging technique that uses a radioactive drug to evaluate organs and/or tissues, in order to check for the presence of a disease or show metabolic activity, whether they are normal or not.
Therefore, the imaging technique that Jack is receiving is called the: positron emission tomography (PET) scan.
Learn more about the positron emission tomography (PET) scan on:
https://brainly.com/question/7988367