Podcast
Questions and Answers
Which type of interaction between x-ray photons and matter results in the ionization of an inner shell electron?
Which type of interaction between x-ray photons and matter results in the ionization of an inner shell electron?
- Coherent scattering
- Bremsstrahlung
- Compton scatter
- Photoelectric effect (correct)
What happens to the intensity of an x-ray beam as the distance from the source increases?
What happens to the intensity of an x-ray beam as the distance from the source increases?
- It decreases according to the inverse square law (correct)
- It increases according to the square law
- It fluctuates randomly
- It remains constant
Which type of scatter radiation interacts with an outer shell electron and changes its path?
Which type of scatter radiation interacts with an outer shell electron and changes its path?
- Photoelectric effect
- Compton scatter (correct)
- Bremsstrahlung
- Coherent scattering
What is the primary factor that impacts the incidence of scatter radiation?
What is the primary factor that impacts the incidence of scatter radiation?
What is the purpose of a grid in radiography?
What is the purpose of a grid in radiography?
What is the formula for calculating the scatter-to-primary ratio in the abdomen?
What is the formula for calculating the scatter-to-primary ratio in the abdomen?
Which type of interaction between x-ray photons and matter results in the momentary shift of electrons without ionization?
Which type of interaction between x-ray photons and matter results in the momentary shift of electrons without ionization?
Which factor controls the maximum energy of photons in the x-ray beam?
Which factor controls the maximum energy of photons in the x-ray beam?
Which factor impacts contrast resolution in x-ray imaging?
Which factor impacts contrast resolution in x-ray imaging?
Which factor controls the number of electrons flowing from the cathode to the anode in an x-ray tube?
Which factor controls the number of electrons flowing from the cathode to the anode in an x-ray tube?
Which factor controls the quantity of radiation produced during an x-ray exposure?
Which factor controls the quantity of radiation produced during an x-ray exposure?
What is the main purpose of the Automatic Exposure Control (AEC) in x-ray imaging?
What is the main purpose of the Automatic Exposure Control (AEC) in x-ray imaging?
What is the main purpose of the tube housing in an x-ray system?
What is the main purpose of the tube housing in an x-ray system?
What is the material used to make the envelope of an x-ray tube?
What is the material used to make the envelope of an x-ray tube?
Which one of the following is true about the Line Focus Principle?
Which one of the following is true about the Line Focus Principle?
What is the difference between the actual focal spot and the effective focal spot?
What is the difference between the actual focal spot and the effective focal spot?
What is the primary benefit of using Automatic Exposure Control (AEC) in imaging?
What is the primary benefit of using Automatic Exposure Control (AEC) in imaging?
Which cells should be utilized when imaging the chest?
Which cells should be utilized when imaging the chest?
What is the primary cause of Bremsstrahlung production in x-ray tubes?
What is the primary cause of Bremsstrahlung production in x-ray tubes?
What does the X-ray Emission Spectrum represent?
What does the X-ray Emission Spectrum represent?
What happens when the mAs is doubled in x-ray production?
What happens when the mAs is doubled in x-ray production?
Which interaction occurs only at energies over 1.02 MeV?
Which interaction occurs only at energies over 1.02 MeV?
What happens in photodisintegration?
What happens in photodisintegration?
Which interaction has no relevance to diagnostic imaging?
Which interaction has no relevance to diagnostic imaging?
What is the preferred interaction for better contrast in general radiography?
What is the preferred interaction for better contrast in general radiography?
At what energy do Compton scattering and pair production occur?
At what energy do Compton scattering and pair production occur?
What is the energy of each photon emitted in pair production?
What is the energy of each photon emitted in pair production?
What happens to the photon in photodisintegration?
What happens to the photon in photodisintegration?
Which interaction dominates at higher-energy sources in general radiography?
Which interaction dominates at higher-energy sources in general radiography?
What is the main difference between Compton scattering and pair production?
What is the main difference between Compton scattering and pair production?
