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Which of the following is true for the Caldwell position in skull radiography?I.       Petrous ridge is in the upper 1/3 of the orbitII.      With OML perpendicular to the IR, tube is 15° caudad for basic positionIII.     Petrous ridge is projected in the lower one-third of the orbit

Referring to the diagram: Letter E is the:

In the absence of the radiologist, the technologist should discontinue a small bowel study when the head of barium column reaches the:

For cervical spine radiographs on a severely injured, which of the following should be done first?

When introducing an enema tip into a patient’s rectum for a barium enema, the patient is placed in the _____ position.

The mental point is on the:

In excretory urography, the radiograph which is exposed immediately after injection (0 min) at the phase of parenchymal opacification of the kidney is called a:

During myelography, contrast agents are injected into the_________________space.

Letter B in the diagram demonstrates:

Increase of intrathoracic pressure is achieved by forcible exhalation against a closed glottis and asking the patient to “bear down” as if to move his/her bowels. This technique demonstrates esophageal varices and sliding type esophageal hiatal hernia and is called the: