ARRT registry review covering image production content area.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Image Intensifier's input phosphor size & material is... | show 🗑
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| show | Zinc Cadmium Sulfide; 1-2.5cm (1)
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| What is the formular for brightness gain? | show 🗑
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| show | TIME (1)
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| show | 13-14% (1)
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| show | 3-4% (1)
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| show | 8 or 9 penny test (1) *good if + or - 2% of the SID
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| What is the QC parameter for central ray alignment? | show 🗑
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| show | dosimeter; has to be + or - 10% of SID (1)
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| show | dosimeter; has to be + or - 5% of SID (1)
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| show | Single phase = spinning top
Three phase unit = synchronous timer
*good if + or - 5% of SID
(1)
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| show | weekly (1)
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| How often are imaging plates erased? | show 🗑
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| show | 60-70 (2)
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| show | 64(2)
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| show | 72-76 (2)
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| show | 80-86 (2)
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| show | 76 (2)
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| show | 90 (2)
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| Optimal kVp for abdomen, pelvis, and lumbar? | show 🗑
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| show | 86 (2)
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| show | 86/120 (2)
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| show | 120 (2)
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| Reference 1 | show 🗑
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| show | Schmuck, H. (2023). RADT465 Unit 2: Relationship of All Radiographic Properties to Exposure Factors Packet.(Unpublished course reference). University of Southern Indiana, Evansville, IN.
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| What are the materials used for PSP imaging receptors? | show 🗑
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| show | High contrast resolution and they are light weight (2)
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| show | you HAVE to collimate; sensitive plate, IR reader can get dirty and cause artifact (2)
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| What are the materials used for TFT imaging receptors? | show 🗑
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| show | Indirect - high spatial resolution and gain calibration
Direct - high DQE and lower patient dose (2)
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| show | costly, dead pixel errors (2)
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| What are the materials used for CCD/CMOS receptors? | show 🗑
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| show | can replace pieces rather than entire IR, high spatial resolution, uses less power (2)
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| show | low DQE, low spatial resolution (2)
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| What is DQE? | show 🗑
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| show | The range of grays an image can show (high or low) (2)
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| What is spatial resolution? | show 🗑
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| What is sampling frequency? | show 🗑
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| What is pixel pitch? | show 🗑
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| show | pixels change to a defined scale to show the same amount of blacks, grays, and whites in an image (2)
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| What is flatscaling? | show 🗑
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| show | Defines fine details in an image; improves contrast resolution but could pick up scatter radiation (2)
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| What is equalization? | show 🗑
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| What is smoothing? | show 🗑
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| show | double mAs or increase kV 8-10 (2)
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| What is the cast conversion for a dry cast? | show 🗑
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| show | increase kV 3-4 (2)
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| As mAs increases what happens to receptor exposure, spatial resolution, and distortion? | show 🗑
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| show | receptor exposure increases, no change on spatial resolution or distortion (2)
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| show | receptor exposure decreases, spatial resolution increases, and distortion decreases (2)
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| As OID increases, what happens to receptor exposure, spatial resolution, and distortion? | show 🗑
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| As focal spot size increases, what happens to receptor exposure, spatial resolution, and distortion? | show 🗑
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| As grid ratio increases, what happens to receptor exposure, spatial resolution, and distortion? | show 🗑
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| show | receptor exposure decreases and no change on spatial resolution or distortion (2)
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| show | receptor exposure decreases and there is no change on spatial resolution or distortion (2)
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| show | spatial resolution decreases and there is no change on receptor exposure or distortion (2)
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| show | receptor exposure decreases and there is no change on spatial resolution or distortion (2)
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| As angle of the tube increases, what happens to receptor exposure, spatial resolution, and distortion? | show 🗑
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| What happens to receptor exposure with an additive pathology? | show 🗑
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| What happens to receptor exposure with a destructive pathology? | show 🗑
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| what happens to receptor exposure with an increase in body habitus? | show 🗑
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| show | decreases (2)
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| show | increases (2)
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| show | decrease (2)
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