Quiz 17: Skull,facial Bones,and Paranasal Sinuses
Which Facial Bone(s)is (Are)most Frequently Fractured
Which facial bone(s)is (are)most frequently fractured? A) Nasal bones B) Zygomatic arches C) Orbits D) Mandible
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What is the proper CR angle and direction for the axiolateral projection of the mandible when MSP of the head is angled 15 degrees toward the IR? A) 10 degrees cephalic B) 10 degrees caudal C) 25 degrees cephalic D) 25 degrees caudal
When the right and left halves of the skull do not appear symmetrical on a PA or AP projection,this is a sign that the: A) neck is extended too much. B) neck is flexed too much. C) sagittal plane is not perpendicular to the IR. D) central ray is not angled correctly.
A blow-out fracture involves the: A) occipital bone. B) mandible. C) nasal bones. D) floor of the orbit.
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