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When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate CORRECT ANSWER VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples CORRECT ANSWER Decreases A magnetic vector possesses attributes of bo...

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As kVp is decreased... contrast increases The speed of the film-screen combination has what relationship with density? directly proportional Grid frequency is described as the... number of lead strips per inch or centimeter The intensity of the scattered beam is 1/1000 the intensity of the primary beam at what angle 1 m from the patient? 90 degrees The minimum source-to-skin distance for fixed fluoroscopes is... 15 inches Ionization may cause... unstable ...

ARRT Mock Exam UPDATED Exam Questions and CORRECT Answers Which of the following examinations require(s) special identification markers in addition to the usual patient name and number, date, and side marker? 1. IVU 2. Tomography 3. Abdominal survey - CORRECT ANSWER- 1, 2, and 3 What should you do if you discover while taking the patient history that a patient scheduled for an intravenous urogram (IVU) takes Glucophage (metformin hydrochloride) daily? 1. Proceed with the examinatio...

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If a radiographic image is produced of a patients body part and the radiographer did not collimate as closely as would be preferred, prior to the exposure, the radiographer should do which of the following during post processing of the image? A) Use digital masking (shuttering) on the image prior to sending it to the radiologist B) Leave all exposed areas of anatomy visible on the image sent to the radiologist C) Repeat the projection with optimal collimation, then submit it to the radiolo...

An increase in technical factors is likely to be required for the following condition(s) 1. Emphysema 2. Atelectasis 3. Ascites A 1 only B 1 and 2 only C 2 and 3 only D 1, 2, and 3 CORRECT ANSWER c Which of the following help(s) to reduce patient dose? 1. Tube filtration 2. Proper beam alignment 3. Operator shield 4. Automatic Exposure Control (AEC) A 1 and 2 only B 2 and 3 only C 1, 2, and 4 only D 1, 3, and 4 only CORRECT ANSWER c Which of the following is used to e...

When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate - correct answer VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples - correct answer Decreases A magnetic vector possesses attribut...

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