If a resultant panoramic image shows a reversed smile (frown), the likely cause is that

A) the patient's chin was too low.
B) the patient's chin was too high.
C) the patient was slumped over.
D) the patient's head was tilted.

B
Explanation: A) The appearance of a reversed smile (frown) results when the patient's chin is raised too high.
B) The appearance of a reversed smile (frown) results when the patient's chin is raised too high.
C) The appearance of a reversed smile (frown) results when the patient's chin is raised too high.
D) The appearance of a reversed smile (frown) results when the patient's chin is raised too high.