Radiology > QUESTIONS & ANSWERS > ARRT MRI Mock Registry Questions and Answers (2022/2023) Already Graded A (All)
ARRT MRI Mock Registry Questions and Answers (2022/2023) Already Graded A 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 ✔✔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 ✔✔Decreases A magnetic vector possesses attributes of both __________ and _____________. A. Strength; magnitude B. Direction; purpose C. Strength; flow D. Magnitude; direction ✔✔Magnitude; direction What element in the body is the principal nucleus utilized in clinical MR imaging? A. Helium B. Hydrogen C. Oxygen D. Calcium ✔✔Hydrogen Which of the following best describes an IR sequence? A. A 180° pulse followed by a 90°/180° combination B. A 90° pulse followed by a 180° pulse C. A train of gradient echoes D. A train of spin echoes ✔✔A 180° pulse followed [Show More]
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