Letter D corresponds to what surface landmark?

Letter C corresponds to what anatomical structure?

By what method is barium administered to the patient for an enterocylisis procedure?

A patient comes to radiology for a double contrast barium enema and cannot lie on their side during the study. Which of the following would replace the left lateral position?

What two cranial bones form the bony nasal septum?

What body position is optimal for the right lateral position of the skull?

Where is the central ray directed in the ventral decubitus projection dual contrast barium enema? (select two)

Where should the radiographer direct the central ray to exit to correct the centering? 

A parietoacanthial transoral projection of the sinuses demonstrates the petrous ridges in the superior portion of the maxillary sinuses. What specific positioning error if any led to this radiographic finding?

The left lateral position of the sinuses requires which of the following? (Select 2)