Lra 220 - Study guides, Class notes & Summaries

LRA 220 Quiz 2 (Study Set) Exam 2024/2025 Questions With Completed & Verified Solutions.

LRA 220 Final Exam Review questions and answers, verified/ What projection is required for the toes? - -AP, Lateral, AP oblique Do you use a grid for toes? - -no When do you use a grid? - -when the body part is over 10 cm What IR do you use for toes? - -8 by 10, landscape what angle is used for AP axial toes? - -10 to 15 degrees towards heel What is the central ray for all other projections of the toes? - -MTP joint What size IR do you use for the foot? - -10 by 12, portrait Do we use ...

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 ...

How much central ray (CR) angulation (if any) should be used for an AP projection of the toes? - correct answer 10° to 15° toward calcaneus T/F A correctly positioned AP 45° medial oblique ankle projection frequently may also demonstrate a fracture of the base of the fifth metatarsal if present. - correct answer True Which of the following projections of the ankle will best demonstrate the open joint space of the lateral aspect of the ...

How much central ray (CR) angulation should be used for an AP projection of the toes? - correct answer 10 to 15 towards calcaneus How much is the foot dorsiflexed with the tangential projection for the sesamoid bones if the CR remains perpendicular to the image receptor? - correct answer 15 to 20 from vertical A correctly positioned AP 45 medial oblique ankle projection frequently may also demonstrate a fracture of the fifth metatarsal if...

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 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 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 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 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 ...