Where are the petrous ridges seen on an image of a parietoacanthial (Waters method) projection of the paranasal sinuses?
A) In the middle of the maxillary sinuses
B) Superior to the maxillary sinuses
C) Inferior to the floor of the maxillary sinuses
D) In the lower two thirds of the maxillary sinuses
Correct Answer:
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Q151: The respiration phase for all projections of
Q152: Which projection best demonstrates the maxillary sinuses?
A)
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Q159: Which of the sinuses is developed at
Q160: The parietoacanthial projection (Waters method)of the sinuses
Q161: Which two are clearly demonstrated within the
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