Calculate the new mA required to maintain the same IR exposure produced with the original values.
Which of the choices below does NOT increase contrast?
Which of the choices below does NOT increase contrast?
Which one of these grid ratios will absorb the most scattere…
Which one of these grid ratios will absorb the most scattered radiation?
A decubitus radiograph is acquired using 72 kilovoltage peak…
A decubitus radiograph is acquired using 72 kilovoltage peak (kVp), a 12:1 grid, 72 inch source-to-image distance (SID), 600 milliamperes (mA), and using automated exposure control (AEC). Which of these variable modifications will decrease the exposure time?
Elongation occurs when:
Elongation occurs when:
Grid ratio is represented by the formula:
Grid ratio is represented by the formula:
The anode heel effect is caused by:
The anode heel effect is caused by:
Adjustments in kVp should be used to control radiographic
Adjustments in kVp should be used to control radiographic
An x-ray source is producing an entrance skin exposure of 3….
An x-ray source is producing an entrance skin exposure of 3.1 mSv per hour at 10 cm from the source. What is the entrance skin exposure at 15 cm from the source?
The normal diagnostic x-ray tube has a filtration equivalenc…
The normal diagnostic x-ray tube has a filtration equivalency of about 0.5 mm aluminum equivalent. This is called: