What are the advantages of using fluoroscopy to image swallowed barium meal?
A small movie and a high-resolution still photo are available.
B. The detection system is longer.
C. It is displayed vertically.
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In perspective, where is the detection system relative to the patient?
A. Under the patient
B. In front of the patient
C. Behind the patient
D. Relative to the X-ray tube and the patient in the opposite direction
Barium absorbs X-rays and appears on the fluorescent screen as
A. dark
B. white
C. gray
Where is the X-ray grid placed?
At the output of the X-ray tube
B. Above the patient
C. Between the patient and the detector
What is the diaphragm used for positioning
A. Vision
B. Center point of the detection system
C. X-ray beam
D. A and C
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