Where is the central ray (CR) centered for an AP projection of the lumbar spine with a 14- × 17-inch (35- × 43-cm) IR?
A) At the iliac crest
B) At the ASIS
C) 1 to 1.5 inches (2.5 to 3 cm) above the iliac crest
D) At the lower costal margin
Correct Answer:
Verified
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