Recording an unequal distribution of the arches is caused by incorrect:
a. vertical angulation.
b. horizontal angulation.
c. centering of the x-ray beam.
d. aligning of the anterior edge of the image receptor with the teeth of interest.
a. Incorrect vertical angulation results in an unequal distribution of the arches on the radiograph. A quality bitewing radiograph should image an equal portion of the maxillary and mandibular teeth plus a portion of the supporting bone.
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A) Typhoid fever B) Wernickes C) Chagas' disease D) Coronary artery disease
A ________ is made when several people from different locations wish to have a joint discussion by phone.
A. direct distance call B. credit call C. collect call D. conference call
If the AEC is used on peripheral or very small anatomy where the activated chamber(s) is not completely covered by the anatomy, the capacitor will quickly reach its maximum level, resulting in an underexposed image
Indicate whether the statement is true or false.
An effective method for reducing scatter radiation production is the
a. 15% rule of kVp change. b. use of x-ray beam angulation. c. use of an increased exposure time with mA compensation. d. selection of small focal spot.