Most physiologists required a Ph - D degree and licensing. Before taking any exams necessary for their state, they should pass the Foreign Pharmacy Graduate Equivalency examination (FPGEE), Test of English being a Foreign Language (TOEFL) and Test of Spoken English (TSE) exams. An individual who finds work in this profession can be considered a radiology technician if his competency qualifies him to do work using x-ray, ultra-sound, CAT or ECG equipment that delivers the doctors with scanned images that this latter use as bases for diagnoses.