Lumbar, Sacrum and Coccyx Anatomy Handout
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| show | AP Oblique, LPO position
PA Oblique, RAO position
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| Which of the following is the essential projection used to demonstrate the zygapophyseal joints of the lumbar spine? | show 🗑
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| show | 3.5 inches posterior to ASIS and 2 inches inferior
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| show | At the level of the ASIS and 3.5 inches posterior
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| show | Expiration
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| show | 90
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| All of the following might be used to provide an optimal image on a lateral projection of the lumbar spine, except: sponge to support spine in horizontal position 72" SID close collimation lead rubber sheet | show 🗑
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| Which plane is placed perpendicular to the tabletop and centered to the midline of the grid for a lateral lumbar spine? | show 🗑
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| show | 0 degrees
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| If the lumbar spine cannot be adjusted so it is horizontal for the lateral projection, the central ray should be angled: | show 🗑
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| When only the lumbar vertebrae (not lumbosacral) are imaged in the AP projection, the central ray is directed how many inches above the iliac crests? | show 🗑
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| show | 15 degrees caudad
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| show | 30 to 35 degrees cephalad
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| show | 2 inches medial to the elevated ASIS and 1 to 1.5 inches above the iliac crest
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| The condition of the lumbar spine in which there is anterior displacement of one vertebra over another is termed: | show 🗑
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| How many degrees is the body rotated for the AP projection of the sacroiliac joint? | show 🗑
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| Which zygapophyseal joints are demonstrated on the AP oblique projection of the lumbar spine? | show 🗑
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| on each side of the Sacral base is a large wing-like mass called the: | show 🗑
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| The central ray angle for an AP axial projection of the coccyx is: | show 🗑
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| show | Iliac crests
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| show | 5
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| The central ray angle for an AP axial projection of the sacrum is: | show 🗑
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| Where does the central ray enter the patient for an AP axial projection of the sacrum? | show 🗑
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| which projection of the lumbar spine displays the vertebrae in the form of a "Scottie dog"? 1. Lateral 2. AP Oblique 3. PA Oblique | show 🗑
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| To demonstrate the zygapophyseal joints of the lumbar spine, MSP of the patient is rotated how many degrees? | show 🗑
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| An alternate method of positioning the central ray for the L5-S1 lateral projection is: | show 🗑
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