LRA 220 Final Exam V1| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A

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: 10-15 degree toward calcaneus Q: Which of the following routines should be performed for a study of the second toe? Answer: AP, AP oblique with medial rotation, lateromedial projection Q: How much is the foot dorsiflexed with the tangential projection for the sesamoid bones if the CR remains perpendicular to the image receptor? Answer: 15 to 20 from vertical Q: A lateral knee radiograph that is overrotated toward the image receptor can be recognized by which of the following? Answer: The fibular head will appear less superimposed by the tibia than a true lateral. Q: 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 Answer: True Q: To properly visualize the joint spaces with the AP projection of the foot, the CR must be: Answer: Perpendicular to the metatarsals. Q: Which joint space should be open or almost open for a well-positioned AP oblique knee projection with medial rotation?