4. Imaging Principles and Equipment

Equipment Operation — Quiz

Test your understanding of equipment operation with 5 practice questions.

Practice Questions

Question 1

Which focal spot selection is most appropriate when high tube current exposures are required to prevent tube overheating?

Question 2

To maintain image receptor exposure when changing from an 8:1 grid (grid factor 4) to a 16:1 grid (grid factor 6), if the original technique is 20 mAs, what should the new mAs be?

Question 3

If, after pressing the exposure button, the rotor spins but no X-ray output occurs and the mA meter reads zero, which component is most likely at fault?

Question 4

What information does an X-ray tube rating chart provide to the radiographer?

Question 5

Which artifact appears as a symmetrical decrease in density at the periphery of the image when using a focused grid at an incorrect SID?