X-Ray Equipment Operation and Maintenance

Question 1

What does the term "kVp" refer to in X-ray equipment settings?

Accepted Answer

Kilovoltage peak, which controls the quality of the X-ray beam

Answer

Kilovolt peak, which controls the quantity of X-rays produced

Answer

Kilovolt potential, which regulates the exposure time

Answer

Kinetic voltage pulse, which affects the patient positioning

Question 2

What is the primary purpose of a collimator in an X-ray machine?

Accepted Answer

To focus the X-ray beam on the area of interest

Answer

To increase the intensity of the X-ray beam

Answer

To filter out low-energy X-rays

Answer

To stabilize the patient during the procedure

Question 3

Which of the following components is responsible for converting X-rays into visible light in a digital radiography system?

Accepted Answer

Photostimulable phosphor plate

Answer

Cathode ray tube (CRT)

Answer

Image receptor

Answer

Fluoroscopy screen

Question 4

Which of the following is NOT a common cause of poor image quality in X-ray imaging?

Accepted Answer

Proper calibration of the machine

Answer

Incorrect exposure settings (e.g., kVp or mA)

Answer

Patient movement during the scan

Answer

Inadequate film or digital receptor quality

Question 5

What is the function of the "mA" setting on an X-ray machine?

Accepted Answer

It regulates the amount of radiation produced

Answer

It controls the time of exposure

Answer

It controls the energy of the X-ray beam

Answer

It adjusts the contrast of the image