Well you can cancel a few out...
cook - no, I mean you're just cooking you may not know a lot about nutrition
epidemiologist - they determine diseases and such, so no.
Dietitian - Yes, expert in nutrition
Health Educator - I mean maybe, but they may not know anything about nutrition
Diagnosis, treatment, and other facets of healthcare depend on effective communication to make symptoms known, to communicate a diagnosis to patients, and to create safe <span>treatment plans for patients.
Without effective communication, doctors can give the wrong diagnosis and this can lead to the patient getting the wrong medication. Which is detrimental to their health. </span>
I believe the term that you are looking for it CAT Scan.