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