Radiology Exam Questions and Answers
Which of the following statements regarding scatter is true? Correct Answer Scatter radiation has less
energy than the primary beam
A device for removing long wavelength radiation from the primary x-ray beam is a? Correct Answer
Filter
The anode or target of the x-ray tube is ________ charged Correct Answer Positively
The cathode end of the x-ray tube is________charged Correct Answer Negatively
More than 99% of the energy applied to an x-ray tube is converted into x-rays? Correct Answer Heat
What type of radiation is produced in the anode by the sudden slowing and directional change of an
incoming electron? Correct Answer Bremsstrahlung radiation
The purpose of rotating the x-ray tube target is to? Correct Answer Increase the heat capacity of the
anode
The anode heel affect is a phenomenon of extra production that results in? Correct Answer Uneven
distribution of radiation within the field
The penetrating power of the x-ray beam is controlled by varying the? Correct Answer Kilovoltage
Which of the following occurs when the mA is doubled? Correct Answer Radiographic density
increases there are twice as many photons in the x-ray beam
The mAs used for an exposure determined the? Correct Answer Quantity of radiation in the exposure
An x-ray exposure is made using the following factors 400 mA, 0.02 seconds, 80kVp, 40 inches SID
and the large focal spot. What is that mAs for this exposure technique? Correct Answer 8 mAs
The density in the radiographic image is primarily controlled by? Correct Answer mAs
Which of the following statements regarding scatter is true? Correct Answer Scatter radiation has less
energy than the primary beam
A device for removing long wavelength radiation from the primary x-ray beam is a? Correct Answer
Filter
The anode or target of the x-ray tube is ________ charged Correct Answer Positively
The cathode end of the x-ray tube is________charged Correct Answer Negatively
More than 99% of the energy applied to an x-ray tube is converted into x-rays? Correct Answer Heat
What type of radiation is produced in the anode by the sudden slowing and directional change of an
incoming electron? Correct Answer Bremsstrahlung radiation
The purpose of rotating the x-ray tube target is to? Correct Answer Increase the heat capacity of the
anode
The anode heel affect is a phenomenon of extra production that results in? Correct Answer Uneven
distribution of radiation within the field
The penetrating power of the x-ray beam is controlled by varying the? Correct Answer Kilovoltage
Which of the following occurs when the mA is doubled? Correct Answer Radiographic density
increases there are twice as many photons in the x-ray beam
The mAs used for an exposure determined the? Correct Answer Quantity of radiation in the exposure
An x-ray exposure is made using the following factors 400 mA, 0.02 seconds, 80kVp, 40 inches SID
and the large focal spot. What is that mAs for this exposure technique? Correct Answer 8 mAs
The density in the radiographic image is primarily controlled by? Correct Answer mAs
