Lra 221 week - Study guides, Class notes & Summaries

LRA 221 Week 1 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: DICOM is a standard that allows imaging modalities and PACS to communicate in the same language A. True B. False Answer: A. True Q: Which of the following statements is not true? A. Matrix size can change without affecting the FOV B. FOV can change without affecting the matrix C. Changing the matrix or the FOV will change the size of the pixel D. Changing the matrix and the FOV will not chan...

LRA 221 Week 2 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: The optical mirror in the reader A. directs the laser beam to the imaging plate surface B. forms the laser beam into a circle C. causes the laser beam to diverge D. creates the laser beam Answer: A. directs the laser beam to the imaging plate surface Q: Typical cassette throughput is _____ cassettes per _____ A. 5; minute B. 25; minute C. 25; hour D. 50; hour Answer: D. 50; hour ...

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 ...

LRA 221 Week 3 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: The absorption material can be attached to the pixel array electrically or physically A. True B. False Answer: A. True Q: All flat-panel detector systems have the ability to take images faster than the detector can accommodate A. True B. False Answer: B. False Q: Which statement best describes a charge-coupled device (CCD)? A. It is the oldest direct conversion technology that is...

1. Film and intensifying screens are primarily used in A. computed radiography (CR) B. digital radiography (DR) C. conventional radiography D. picture archival and communication systems - correct answer C. conventional radiography 2. CR acquires an image through A. conventional film/screen processing using a digital scanner B. the heating of a thermoluminescent device C. an electrically charged cassette D. the use of a storage phosphor plate - correct answer D. the use of a storage ph...

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 221 Week 2 Quiz | Latest Update | 2024/2025 | Already Passed 10. Coherent light is formed by the laser because the photons A. are at right angles to each other B. travel in all directions C. travel in the same direction D. are at varying frequencies C. travel in the same direction 11. The optical mirror in the reader A. directs the laser beam to the imaging plate surface B. forms the laser beam into a circle C. causes the laser beam to diverge D. creates the laser beam A...

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...

10. All of the following are components of a PACS except A. independent kilovoltage peak and milliampere-second stations B. web access C. multiple interfaces D. reading stations - Answer A. independent kilovoltage peak and milliampere-second stations 11. Similar to CR, DR can use the existing diagnostic equipment found in today's imaging departments A. True B. False - Answer B. False

LRA 221 Week 1 Quiz | Latest Version | 2024/2025 | Already Passed 5. In reference to PSP image capture, to release the latent image, which of the following devices is scanned over the phosphor plate? A. Photomultiplier tube B. Fluorescent light C. Focused laser light D. Lithium crystal C. Focused laser light 6. X-ray energy related to direct capture DR will stimulate a ______, which eventually is changed into an electrical signal A. photodensitometer B. scintillator C. TFT arra...