Lra 221 exam - Study guides, Revision notes & Summaries

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 ...

Which radiographic image capture method uses chemical development to produce the manifest image? - correct answer Film/screen radiography Which company was the first to introduce PSP imaging commercially in the United States? - correct answer Fuji Which radiographic image capture method uses an X-ray absorber material coupled with a thin film transistor, complementary metal oxide semiconductor, or a charge-coupled device (CCD) to form the digital radiographic image? - correct answer FPD (f...

LRA 221 Final Exam Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Review 182 Q: Aliasing occurs when the sampling frequency is not greater than twice the frequency of the input signal. a. True b. False Answer: b. False Q: In digital projection radiography, what process is used to normalize an image that has been taken with too great of an exposure? a. High-pass filtering b. Low-pass filtering c. Automatic rescaling d. Aliasing Answer: c. Automatic res...

FINAL EXAM LRA 221 (COMPUTER GRAPHICS) (160 QUESTIONS) WELL ANSWERED!!

LRA 221 Week 3 Exam Combined Tested Questions With Revised Correct Detailed Answers |ALREADY GRADED A+ PASS 2024 >> BRAND NEW VERSION!! 1. A detector in which each pixel has its own amplifier is known as a A. CCD B. field-effect transistor C. CMOS D. thin-field transistor - ANSWER C. CMOS 2. A highly efficient indirect conversion system that takes up less fill space than CCDs is known as a(n) A. analog to digital converter B. field-effect transistor C....

LRA 222 Week 1 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A Q: Similar to CR, DR can use the existing diagnostic equipment found in today's imaging departments A. True B. False Answer: B. False Q: Indirect capture DR converts absorbed x-ray energy into visible light A. True B. False Answer: A. True Q: DICOM is a standard that allows imaging modalities and PACS to communicate in the same language A. True B. False Answer: A. ...

LRA 222 Final Exam| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A Q: A diode allows electrons to flow from _____. Answer: cathode to anode Q: True or False? The mAs timer is usually set to give the lowest mA at the longest time? Answer: False Q: What is amplitude? Answer: Height of a wave Q: Variations in power distribution to the xray machine are corrected by the _____. Answer: Line voltage Q: What is the most ...

LRA 220 Final Exam V3| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A Q: Which special position of the knee requires that the patient be placed supine with 40° flexion of the knee and the CR angled 30° from the long axis of the femur? Answer: Bilateral merchant method Q: A radiograph of an AP ankle projection reveals that the lateral joint space is not open (lateral malleolus is partially superimposed by the talus). The superior and medial joint space...

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 220 Final Exam V1| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A Q: This radiograph represents which of the following positions? Answer: Medial lateral of the knee toward the IR Q: To decrease the angle between the anterior surface of the foot and anterior surface of the lower leg is described as: Answer: Dorsiflexion Q: How much central ray (CR) angulation (if any) should be used for an AP projection of the toes? Answer: ...