The anterior ridge of the body of the first sacral segment is termed?
Promontory
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Which zygapophyseal joint is demonstrated with an LAO position of the lumbar spine?
Right
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The anterior superior iliac spine (ASIS) corresponds to the level of?
S1 -S2
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Studies have shown that a PA projection results in approximately ______% reduction in dose to the breasts as compared with an AP taken during a scoliosis study.
90
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What type of CR is required for an AP axial projection of the coccyx?
10 deg caudad
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The left SI joint is open with an RPO projection.
True
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Which degree of rotation will best demonstrate the zygapophyseal joint at the L1 L2 vertebral level?