The Upper Incisors Are Superimposed Over the Dens and the Posterior

question 48

Multiple Choice

The upper incisors are superimposed over the dens and the posterior occiput's inferior edge is demonstrated about 1 inch (2.5 cm) superior to the dens on an AP atlas and axis projection. How could the positioning setup be adjusted for an optimal projection to be obtained?
1) Align the acanthiomeatal line perpendicular to the IR.
2) Elevate the patient's chin 0.5 inch (2 cm) .
3) Adjust the central ray 5 degrees caudally.
4) Move the central ray and IR 1 inch (2.5 cm) superiorly.

• A) 1 and 2 only
• B) 2 and 3 only
• C) 1, 2, and 3 only
• D) 4 only

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Emotional State

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Body Language

Non-verbal communication through physical behaviors, such as gestures, facial expressions, and posture.

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