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Operators of dental radiographic equipment should be able to stand how far from the x-ray tube head during exposure:


A) 3 feet
B) 6 feet
C) 12 feet
D) 20 feet

E) A) and B)
F) A) and C)

Correct Answer

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B

When using rectangular collimation with the paralleling technique one must use a:


A) localizing film-holding device
B) bite tab
C) 8-inch FFD
D) none of the above

E) All of the above
F) A) and B)

Correct Answer

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A

The collimator limits the size and shape of the x-ray beam to no more than:


A) one inch at the skin
B) 2 3/4 inches at the skin
C) 3 1/2 inches at the skin
D) 5 inches at the skin

E) A) and D)
F) A) and C)

Correct Answer

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verified

B

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