ARRT Registry Review 1 Exam Top latest complete solution

What most effectively minimizes radiation exposure to the patient? - Beam restriction Radiographic subjects composed of just a few, very dissimilar tissue densities are likely to produce: - High radiographic contrast In which of the following positions are the pyloric canal and duodenal bulb best demonstrated during a GI series? A. RAO B. left lateral C. recumbent PA D. recumbent AP - A. RAO According to NCRP regulations, leakage radiation from the x-ray tube must NOT exceed: - 100mR/hr When a patient with an arm injury needs help undressing, where should you remove clothing first? - From the uninjured arm What electrical device will prevent equipment damage in the event of a circuit overload? - Circuit breaker The housing surrounding an x-ray tube function is to: 1. Keep leakage radiation to a minimum 2. Protect from electrical shock 3. Retain heat within the glass envelope A. 1 only B. 1 & 2 only C. 1 & 3 only D. 1, 2, & 3 - B. 1 & 2 only The quantity of x-ray photons delivered to the patient in a given exposure is PRIMARILY regulated by: - mAs Arthrography of the shoulder is often performed to evaluate: - Rotator cuff tears One rule of radiation protection is that radiation must scatter at LEAST how many times before reaching the operator? - 2