Spatial resolution is - Study guides, Class notes & Summaries

ARRT MRI MOCK REGISTRY ACTUAL EXAM NEWEST COMPLETE QUESTIONS AND CORRECT VERIFIED ANSWERS (DETAILED ANSWERS) ALREADY GRADED A+ 2025. 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. D...

LRA 222 Week 2 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A Q: Each light photon is assigned a number during A. amplification B. sampling C. digitization D. laser scanning Answer: C. digitization Q: The wavelength of the PSP reader laser is ______ nm A. 336 B. 636 C. 633 D. 366 Answer: C. 633 Q: The laser scans the imaging plate in a ______ pattern A. raster B. horizontal C. circular D. random Answer: A. raster ...

LMRT STATE REVIEW REAL ESTATE EXAM QUESTIONS AND ANSWERS Which of the following will result in an image with excessive distortion of anatomic structures? A.) Improper central ray angulation for the selected radiographic projection B.) use of an 8:1 grid with the mAs set for a 12:1 grid C.) IR exposure at an SID greater than recommended for a particular body part. D.) IR exposure with the mAs higher than needed for the particular anatomic structures. - Answer-Improper central ray angulati...

Nuclear Medicine Instrumentation Exam Questions with 100% Correct Answers The amount of light generated by a sodium iodide crystal is directly related to the: A. photon energy absorbed in the crystal B. Diameter of the crystal C. Thickness of the crystal D. Age of the crystal - answerA. photon energy absorbed in the crystal A NaI (Tl) scintillation detector provides an output signal from the photo-multiplier tube that is proportional in amplitude to the amount of energy absorbed in the c...

Low photon energy and high atomic number Combination of photon energy & tissue atomic # results in the highest probability of PE effect *Low photon energy and low atomic number *Low photon energy and high atomic number *High photon energy and low atomic number *High photon energy and high atomic number Step down voltage and step up current How does the filament transformer of the x-ray machine change the shape of electrical power? *Step up voltage and step down current *Step down ...

Bennett Test 3 Questions & Answers 2024 medical image quality - ANSWER-refers to the fidelity with which the anatomy under investigation is rendered on the image receptor Spatial Resolution - ANSWER-the ability to the image small objects that have high subject contrast, such as a bone - soft tissue interface, a breast microcalcification, or a calcified lung nodule improves; smaller - ANSWER-spatial resolution ___ with ___ pixel size contrast resolution - ANSWER-the ability to disti...

What is the job of cogsci? bringing perspectives from neuro, psych, CS, phil, lang, and anthro together what method do philosophers use? argument and analysis/ deductive reasoning what methods do psychologists use? experimental techniques and paradigms what methods do neuroscientists use? spacial/temporal resolution, case studies, lesions, brain imaging what methods do cognitive psychologists use? modeling what methods do AI researchers use? computer mode...

Questions -- Image production (CT Bootcamp) -- Image Display Questions and Answers Rated A+ What is a pixel? A pixel is a single picture element within the digital image. Calculate the pixel size for a scan of the abdomen using a 40 cm DFOV and a 1024 x 1024 matrix. 0.039 cm or 0.39 mm 40/1024= 0.039 In the table below, indicate how the listed technical changes affect spatial resolution. Technical change --> Change in Spatial Resolution 1) Increased pixel size --> 2) Decreased matrix...

ARMRIT Exam 2 |Revised Study Guide| Graded A+ 2DFT *Ans* When selecting only one slice at a time during a pulse sequence, which method for providing spatial localization is employed? Higher relaxation rates *Ans* Tissues that have low (short) relaxation times have: Increase resolution *Ans* For the following spin-echo protocol: FOV: 320 / TR: 500 / TE: 25 / SliceThick: 5mm / Slice Gap: 1mm/ Slice#: 9 / NEX: 4 / Matrix: 192 -- Increasing Matrix will: Toxicity *Ans* Combining a metal io...

LMRT STATE EXAM 2025 ACTUAL TEST REVIEW. COMPLETE REAL EXAM QUESTIONS AND CORRECT ANSWERS. Indicator number - CORRECT ANSWER: - how much radiation was absorbed into the phosphors Image stitching - CORRECT ANSWER: - stitching together multiple images useful for scoliosis studies of the spine, long bone studies or angiographic imaging of peripheral vasculature. To view as a single image. Image annotation - CORRECT ANSWER: - allow the technologist to inset preset text or manual text o...