Most physiologists required a Ph - D degree and licensing.  Before taking any exams necessary for their state, they have to 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 within this profession can be a radiology technician if his competency qualifies him to do work using x-ray, ultra-sound, CAT or ECG equipment providing you with the doctors with scanned images that the latter make use of as bases for diagnoses.  
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