Podcast
Questions and Answers
Which of the following is a benefit of using AEC (Automatic Exposure Control) in radiographic imaging?
Which of the following is a benefit of using AEC (Automatic Exposure Control) in radiographic imaging?
- AEC allows the operator to guess the attenuation of the structures being imaged.
- AEC does not require the use of ionization chambers.
- AEC ensures consistency of signal quantity to the detector. (correct)
- AEC measures the entire remnant beam.
What is a limitation of using AEC in radiographic imaging?
What is a limitation of using AEC in radiographic imaging?
- The location of the detector relative to the structures being imaged is not critical. (correct)
- Each detector is approximately 50-75 cm2 in size.
- AEC measures the entire remnant beam.
- Technologists can only select one ionization chamber.
What does AEC stand for in radiographic imaging?
What does AEC stand for in radiographic imaging?
- Attenuation Energy Calculation
- Average Exposure Compensation
- Advanced Emission Control
- Automatic Exposure Control (correct)
Which one of these is the correct expression for the energy of a characteristic X-ray emitted during a K shell transition?
Which one of these is the correct expression for the energy of a characteristic X-ray emitted during a K shell transition?
What is the primary process in low Z elements during characteristic radiation production?
What is the primary process in low Z elements during characteristic radiation production?
What is the term used to describe the radiation produced when projectile electrons interact with inner shell electrons?
What is the term used to describe the radiation produced when projectile electrons interact with inner shell electrons?
What happens when projectile electrons pass close to the nucleus during bremsstrahlung production?
What happens when projectile electrons pass close to the nucleus during bremsstrahlung production?
What is the unit of energy used to measure the energy of an electron in a 1V potential difference?
What is the unit of energy used to measure the energy of an electron in a 1V potential difference?
What is the approximate energy of an electron in a 100 kV potential difference?
What is the approximate energy of an electron in a 100 kV potential difference?
What is kVp a measure of in X-ray imaging?
What is kVp a measure of in X-ray imaging?
What happens when an electron collides with the anode target in an X-ray tube?
What happens when an electron collides with the anode target in an X-ray tube?
What is characteristic radiation produced when projectile electrons interact with?
What is characteristic radiation produced when projectile electrons interact with?
What determines the energy of the characteristic photons produced during characteristic radiation?
What determines the energy of the characteristic photons produced during characteristic radiation?
What is the predominant process in low Z elements during characteristic radiation production?
What is the predominant process in low Z elements during characteristic radiation production?
What happens when projectile electrons pass close to the nucleus during bremsstrahlung production?
What happens when projectile electrons pass close to the nucleus during bremsstrahlung production?
What is the term used to describe the graph plotting photon energy vs the number of photons produced?
What is the term used to describe the graph plotting photon energy vs the number of photons produced?
What determines the energy of the characteristic emissions and the efficiency of bremsstrahlung X-ray production?
What determines the energy of the characteristic emissions and the efficiency of bremsstrahlung X-ray production?
Which of the following is NOT a topic covered in this lecture?
Which of the following is NOT a topic covered in this lecture?
What is the benefit of using AEC in radiographic imaging?
What is the benefit of using AEC in radiographic imaging?
What is the primary limitation of using AEC in radiographic imaging?
What is the primary limitation of using AEC in radiographic imaging?
Which of the following is NOT a location where X-ray production can occur?
Which of the following is NOT a location where X-ray production can occur?
What is the purpose of Automatic Exposure Control (AEC) in radiographic imaging?
What is the purpose of Automatic Exposure Control (AEC) in radiographic imaging?
Which of the following is NOT a benefit of using AEC in radiographic imaging?
Which of the following is NOT a benefit of using AEC in radiographic imaging?
Which of the following is NOT a limitation of using AEC in radiographic imaging?
Which of the following is NOT a limitation of using AEC in radiographic imaging?
What is the term used to describe the radiation produced when projectile electrons interact with inner shell electrons?
What is the term used to describe the radiation produced when projectile electrons interact with inner shell electrons?
Which of the following is NOT a distinction discussed in this lecture?
Which of the following is NOT a distinction discussed in this lecture?
What is the benefit of the operator not needing to guess how attenuating the structures being imaged will be for the beam energy being used?
What is the benefit of the operator not needing to guess how attenuating the structures being imaged will be for the beam energy being used?
