Which criteria justifies that the patient was correctly positioned for the PA axial Caldwell?
the petrous pyramids fill the lower one third of the orbits
vertex included
the petrous pyramids fall below the maxillary sinuses
the petrous pyramids fill the lower one third of the maxillary sinuses
the petrous pyramids fill the lower one third of the orbits
Rationale: The proper positioning line and tube angle has been applied to the patient when the petrous pyramids fill the lower one third of the orbits.
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A 35-year-old male complains of a "pressure"-type headache to the back of his head and neck. He states that he woke up with the discomfort this morning, and the pain has steadily gotten worse through the day. He denies any radiation of the pain and denies photophobia but states that he is slightly nauseated. Based on this clinical presentation, the paramedic should be suspicious of what type of
headache? A) Migraine B) Vascular C) Cluster D) Tension
What is the minification gain for an image intensification tube with an input screen diameter of 5 in. and an output diameter of 1 in.?
What will be an ideal response?