A Radiograph of a PA Caldwell (15° Caudad) Projection for Cranium

question 53

Multiple Choice

A radiograph of a PA Caldwell (15° caudad) projection for cranium reveals that the petrous ridges are projected into the lower one-third of the orbits.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

• A)Increase the extension of the head and neck.
• B)Decrease the extension of the head and neck.
• C)Nothing; accept the initial radiograph.
• D)Angle the CR 10° caudad.

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