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Exam (elaborations)

LRA 220 Final Exam Questions and Answers

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LRA 220 Final Exam Questions and Answers

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October 21, 2025
Number of pages
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Written in
2025/2026
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LRA 220 Final

What projection is required for the toes? - Answer-AP, Lateral, AP oblique



Do you use a grid for toes? - Answer-no



When do you use a grid? - Answer-when the body part is over 10 cm



What IR do you use for toes? - Answer-8 by 10, landscape



what angle is used for AP axial toes? - Answer-10 to 15 degrees towards heel



What is the central ray for all other projections of the toes? - Answer-MTP joint



What size IR do you use for the foot? - Answer-10 by 12, portrait



Do we use a grid for photos of the foot? - Answer-no



Where to place the CR when obtaining views of the foot? - Answer-Base of 3rd Metatarsal



For AP axial of the foot what angel is used? - Answer-10 degrees toward the heel



What projections are taken for the foot? - Answer-AP axial, AP oblique, Lateral

, Why is the CR angled for the foor? - Answer-to reduce foreshortening of the metatarsals and show the
intertarsal articulation



Do you use a grid for calcaneus view? - Answer-no



What size IR is use for calcaneus - Answer-8 by 10



What projections are use for calcaneus views? - Answer-Axial and lateral



What angel is used for axial calcaneus view? - Answer-40 degrees toward the head



What is the central ray for a lateral view of the calcaneus? - Answer-1 inch distal to medial malleolus



What projections are needed for the ankle? - Answer-AP, AP oblique, lateral, mortise



What size IR is used for ankle? - Answer-10 by 12



Do you use a grid for the ankle? - Answer-no



What is the CR for AP and AP oblique ankle? - Answer-midway between malleoli



What is the CR for lateral ankle? - Answer-medial malleolus



For a mortise projection of the ankle, the lower limb is rotated: - Answer-15 to 20 degress



What projections are required for the lower leg? - Answer-AP and lateral

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