LRA 220 Practice Exam (100% Correct) Graded A+ |Verified| 2025/2024
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Course
LRA
Institution
LRA
LRA 220 Practice Exam (100% Correct)
Graded A+ |Verified| 2025/2024
A radiograph of an AP mortise projection of the ankle shows slight overlap of the lateral malleolus on the
talus, and the lateral joint space is closed. What likely caused this result?
Insufficient medial
rotation o...
LRA 220 Practice Exam (100% Correct)
Graded A+ |Verified| 2025/2024
A radiograph of an AP mortise projection of the ankle shows slight overlap of the lateral malleolus on the
talus, and the lateral joint space is closed. What likely caused this result? Insufficient medial
rotation of the foot and ankle
T/F The foot must be forcefully dorsiflexed so the long axis of the foot aligns perpendicular to the image
receptor for AP and mortise projections of the ankle. False
T/F A properly positioned lateral ankle will display the lateral malleolus overlapping the posterior half of
the tibia. True
Which projection best reveals indicators of Osgood-Schlatter disease? AP and lateral knee
The accurate CR location for an AP knee projection is midpatella. False
For an average patient's AP weight-bearing knee projection, the CR should be: perpendicular to
the image receptor
Which knee projection needs a special IR holding device? Bilateral Merchant method
What degree of knee flexion is necessary for the weight-bearing PA axial projection (Rosenberg method)
of the knee? 45° flexion
Which knee projection best visualizes the fibular neck without overlap? AP oblique with medial
rotation
Which specialized knee position requires the patient to be supine, the knee flexed 40°, and the CR
angled 30° from the femur’s long axis? Bilateral Merchant method
1
, For a lateral patella projection, what degree of knee flexion is advised? 5° to 10° or less
Which patella projection requires the patient to be prone with a 55° knee flexion and a 15° to 20° CR
angle? Hughston method
An inflammatory condition affecting the anterior upper tibia Osgood-Schlatter disease
Sprains or fractures involving the bases of the first and second metatarsals Lisfranc joint injury
Fluid accumulation in a joint cavity Joint effusion
An inherited arthritis type mainly affecting males, often starting at the first metatarsophalangeal joint
Gout
A benign bone growth near a joint, typically the knee Exostosis
Also called osteitis deformans, this disease disrupts new bone formation, leading to dense but soft bone
Paget's disease
A malignant cartilage tumor usually found in men over 45 in the pelvis and long bones
Chondrosarcoma
A condition impacting the sacroiliac joints and lower limbs in young men, particularly the calcaneus's
posterosuperior edge Reiter's syndrome
Cancer that spreads to bone via the blood, lymph, or direct invasion Metastatic carcinoma
A disease that leads to extensive calcification of the spinal column’s longitudinal ligament
Ankylosing spondylitis
2
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