In SPECT/CT imaging, it is best if the patient does shallow breathing throughout the scan.
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Q25: When the same nonuniformity is back-projected at
Q26: If a detector can produce an electronic
Q27: Body contouring or elliptical orbits in SPECT
Q28: Compared to a low-energy collimator, a high-energy
Q29: Increased sensitivity for SPECT imaging can be
Q31: When referring to image quality, contrast
A)refers to
Q32: The center-of-rotation measurement
A)determines the number of projections.
B)corresponds
Q33: Ramp-filtered projections are characterized by
A)a star artifact.
B)edge
Q34: In multihole low-energy collimators, longer and smaller
Q35: Digitization of the signal of each photomultiplier
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