LRA 226 Week 1 Questions With Verified Correct Answers Already PassedUpdated

LRA 226 Week 1 Questions With Verified Correct Answers Already PassedUpdated A radiograph of a posteroanterior (PA) axial projection (Caldwell method) of the cranium reveals that the petrous ridges are located at the level of the lower one third of the orbits. The technologist performed this projection with the CR angled 15° caudal to the orbitomeatal line (OML). How must positioning be altered if a repeat exposure is performed? - ANSWER : positioning was correct A PA axial projection with a 25° caudad angle of the cranium reveals that the petrous ridges are at the level of the superior orbital margins. What modification is required to correct this error? - ANSWER : Increase extension of the cranium A radiograph of a PA caldwell projection reveals that the petrous ridges are projected into the lower ⅓ of the maxillary sinuses which of the following modifications should be made during the repeat exposure to make a more diagnostic image? - ANSWER : decrease extension of the head and neck