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When electrons bombard the target,_____% of their kinetic energy is converted to heat.


A) 10
B) 25
C) 50
D) 99

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

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Extrafocal or off-focus radiation is produced from _____.


A) overheated anodes
B) scattered x-rays
C) rebounding electrons
D) dual focus cathodes

E) C) and D)
F) None of the above

Correct Answer

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verified

The most widely used support structure for the x-ray tube is the _____.


A) C-arm
B) floor-to-ceiling mount
C) ceiling support system
D) floor support system

E) B) and D)
F) A) and B)

Correct Answer

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verified

Because of the line focus principal,the effective focal spot size decreases with decreasing _____.


A) target angle
B) rotor speed
C) window thickness
D) space charge

E) B) and C)
F) None of the above

Correct Answer

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