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465 image production
ARRT registry review covering image production
| Question | Answer |
|---|---|
| How would you find the milliroentgens per milliampere-seconds (mR/mAs) | mA x seconds milliroentgens/ mAs Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Example: If the exposure factor of 70kvp, 200Ms and 15ms yield an output exposure of 80 mR, what is the milliroentgens per milliampere-seconds (mR/mAs) | 200x.015=3 80/3=27 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| A short SID= more exposure | true Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (465). University of Southern Indiana, Evansville, IN. |
| Does more mAs give you more or less exposure | more Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Does more kVp give you more or less exposure | more Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Where is the image intensifier located for flouro | on top Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Where is the xray tube for flouro | under the table Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| what is the xray table made from | carbon fiber or polycarbonate--- radiolucent Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| what do electrostatic lenses do | increase speed and focus of electrons Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| flouro is the | greatest source of acute radiation exposure in diagnostic- most dose Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| input phosphor sizes and material | 25,17,12 cm and cesium iodide Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| output phosphor size and material | 1-2.5 cm and cadmium Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| how can you decrease magnification without mag mode button | get ii as close to patient as possible Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| off center | decrease in exposure over entire image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| off level | not straight behind the patient, decrease of exposure entire image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| off focus | outside of the SID range, light at outside/periphery of image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| inverted/upside down | no exposure on outside of the image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| AEC is usually | between the patient and the detector Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| backup timer | AEC, is the safety mechanism to shut off exposure Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Problems with AEC | selecting wrong photocells Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| which interactions are radiation production | bremsstrahlung and characteristic Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Bremmstahlung | continuous, most xray produced within tube Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | max kVp chosen is the most energy a brem can produce Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | electron heads toward nucleus then goes around slowly Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | inner 2/3 sticks in the pt while the other 1/3 is turned to xray Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | less than 1% turns to xray and the other turns to heat Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | the more change in direction is the more loss of energy Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| xrays are produced where | focal tract of anode Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| electrons come from | the filament of the cathode Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Brem | incoming ELECTRONS slows around nucleus in the target atom Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Characteristic | incoming ELECTRONS interact with inner shell electrons Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Characteristic 1 | e comes in with same energy as inner shell electron knocks it out Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Characteristic 2 | then xray is produced Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Characteristic 3 | the next shell replaces the one that was booted out Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| Characteristic | Discrete graph, want k shell to be ejected Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| transformer laws | turns ratio, transformer voltage, transformer current Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| turns ratio | ts/tp Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| transformer voltage | ts/tp= vs/vp Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| transformer current | ts/tp=Ip/Is Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| turns ratio | less than 1 = step down Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| turns ratio | more than = step up Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| three phase 6 pulse | voltage ripple 13-14 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| three phase 12 pulse | voltage ripple 3-4 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| pulses | 60 cycles of sinusoidal wavelength per 1 sec in US Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| pulses | 120 pulses of energy per second in the US Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| tube cooling chart | used for safety cold anode=cracking Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| heat units | single phase 1.00, 3 phase 6 pulse 1.35, 3 phase 12 pulse HF 1.45 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| reciprocal resistance | total R is < least R and is ~ 1/2 value of the least resistor Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| frequency and wavelength | f increases, wavelength decreases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| frequency and energy | f increases, energy increases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| energy and wavelength | energy increases, wavelength decreases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| quality | kvp, penetration power Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| quantity | mA, intensity, amount, rate of exposure Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| primary | xray coming out of the tube hitting patient Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| remnant | exits patient toward receptor Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| fundamental properties | electromagnetic radiation heterogenous (not all same energy level) Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| fundamental properties | travel at speed of light high frequency and short wavelength Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| off center | the central ray is not centered to the center of the grid Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN. |
| fundamental properties | polyenergetic travel in STRAIGHT LINE no electric charge or mAs Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN. |