Where Is the CR Centered for an AP Axial Projection

question 69

Multiple Choice

Where is the CR centered for an AP axial projection of the sacrum?

• A)At the level of the ASIS
• B)At the level of the symphysis pubis
• C)1 to 1 1/2 inches (3 to 4 cm) below the iliac crest
• D)2 inches (5 cm) above the symphysis pubis

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