Lra 222 - Study guides, Class notes & Summaries

LRA 222 FINAL EXAM (50 QUESTIONS) WELL ANSWERED!!

LRA 221 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: Which of the following statements about scintillators is true? a. all scintillators absorb the same amount of x-ray photons b. the amount of x-rays absorbed depends on the type of scintillator c. structured phosphors produce more light spread d. unstructured phosphors are more efficient Answer: the amount of x-rays absorbed depends on the type of scintillator Q: The readout process requires that ...

LRA 222 Final Study Guide | Questions and answers Updated

Lra 222 Final Exam Questions and Answers What is the most accurate type of timer? - Answer-electronic When does the AEC terminate the exposure ? - Answer-When exposure is met Which x-ray generator has the lowest power rating? - Answer-Single-phase How many windings does the auto transformer have? - Answer-1 Should the thickest part or the thinnest part be placed under cathode? - Answer-Thickest Are long or short exposure times more likely to cause to failure - Answer-Long Loc...

LRA 222 Quiz Test Questions and Answers A significant amount of collimation will have what effect on the amount of radiation - Answer-reduced. When imaging the pelvis, changing from 14 × 17 collimation to 8 × 10 collimation requires - Answer-an increase in mAs. A flat piece of lead with a hole in it that has a flange directed toward the patient is a(n) - Answer-cone or cylinder. The most effective and often used radiographic beam-restriction device is the - Answer-collimator. Th...

LRA- 222 Final Questions and Answers The three main parts of the x-ray imaging system are the x-ray tube, ___ , and ____ - Answer-operating console, high voltage generator The step-up transformer increases voltage ____ times - Answer-500-1000 The x-ray beam generated by the circuit with the ___ voltage ripple has the ____ - Answer-Lowest, highest What is the industry standard formula for calculating high voltage generator power - Answer-power = max mA (@100 kVp and 100 ms) 100 kVp ...

223,224 LRA 222 Finals Review Exam Questions and Answers 2024 The anode includes the - CORRECT ANSWER-target and induction motor The cathode includes the - CORRECT ANSWER-Filaments and focusing cup The motor that turns the anode operates through - CORRECT ANSWER-mutual induction With a rotating anode, the focal spot becomes a focal - CORRECT ANSWER-track The focusing cup is able to keep the electrons together because - CORRECT ANSWER-like charges repel The stator is made up of electr...

LRA 220 Final Exam V2| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A Q: What size IR is use for calcaneus Answer: 8 by 10 Q: What projections are use for calcaneus views? Answer: Axial and lateral Q: What angel is used for axial calcaneus view? Answer: 40 degrees toward the head Q: What is the central ray for a lateral view of the calcaneus? Answer: 1 inch distal to medial malleolus Q: What projections ar...

LRA 222 Final Study Guide with Complete Solutions

LRA 222 Week 3 Questions And Complete Solutions