Lra 220 week Study guides, Class 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 ...

LRA 220 Weeks 1,2 & 3 STUDY BUNDLE PACKAGE Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: A radiograph of an AP pelvis demonstrates that the right obturator foramen is foreshortened but the left foramen is open. Which one of the following positioning errors is present on this radiograph? Answer: Right rotation Q: If a patient has excessive external rotation of one foot, a fractured hip may be indicated. TRUE OR FALSE Answer: True Q: Less abd...

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 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 220 WEEK 1 QUESTIONS AND ANSWERS | LATEST UPDATE | 2024/2025 | GRADED A+ A correctly positioned AP 45° medial oblique ankle projection frequently may also demonstrate a fracture of the base of the fifth metatarsal if present. TRUE or FALSE TRUE A correctly positioned lateral ankle will demonstrate the lateral malleolus superimposed over the posterior half of the tibia. TRUE or FALSE TRUE A radiograph of a AP mortise projection of the ankle reveals that the lateral malleolus is ...

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: ...

LRA 222 Week 3 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A Q: To overcome the decrease in sharpness caused by the air gap technique, an increase in SID is required A. True B. False Answer: A. True Q: Grid cutoff results in A. may increased patient exposure B. all of these C. reduced exposure to the IR D. possible increased in quantum noise Answer: B. all of these Q: The unrestricted primary x-ray beam is A. round B. rectangul...

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 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...