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RADT 1010 CH 7-8-9 REVIEW QUESTIONS AND ANSWERS WITH DIAGRAMS FOR EASY UNDERSTANDING GRADED A+
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RADT 1010 CH 7-8-9 REVIEW QUESTIONS AND ANSWERS WITH DIAGRAMS FOR EASY UNDERSTANDING GRADED A+
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RADT 1010 CH 7-8-9 REVIEW QUESTIONSAND ANSWERS WITH DIAGRAMS FOR
EASY UNDERSTANDING GRADED A+
ATTENUATION
B
The process by which a beam of x-ray photons is reduced as it passes through
matter is know as:
LU
YC
PHOTOSTIMULABLE PHOSPHOR PLATE
D
Computed radiography uses which of the following as its image receptor?
TU
ES
Milliampere-Seconds (mAs)
The factor that controls the amount of x-radiation produced by the X-ray tube is:
C
A
125 mAs [500 mAs X 0.25 s]
What mAs value would result using the 500 mA setting at .25 second?
Direct Capture DR
, Which of the following image receptor systems does NOT use light during
exposure?
130 mAs [40x = 40^2 over 72^2]
B
A radiographer is made using 40mAs at a 40-inch SID. If the image must be
LU
repeated at a 72-inch SID, what mAs value is necessary to maintain the same
exposure?
* to solve use exposure maintenance formula**
YC
mAs1/mAs2=D1^2/D2^2
Kilovoltage peak (kVp)
The 15% rule helps explain the effect of________ on exposure
D
TU
ES
water
which of the following is NOT a radiographic contrast medium?
C
A
motion
the most common cause of radiographic unsharpness is:
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