rad 235 ch 3 quizizz

What does kVp primarily control in an X-ray beam?

• Quantity of photons

• Penetrating power

• Exposure time

• Electron tube current

What does mAs control in an X-ray exposure?

• Beam quality

• Quantity of radiation

• Photon energy

• Target interaction

What is the term for X-rays that pass through a patient without interacting?

• Scattered radiation

• Absorbed radiation

• Direct transmission

• Secondary radiation

Which of the following interactions is responsible for the majority of scatter radiation in diagnostic radiology?

• Photoelectric absorption

• Compton scattering

• Coherent scattering

• Pair production

What is the absorbed dose (D) a measure of?

• The number of X-ray photons in a beam

• The amount of scatter radiation produced

• The amount of energy transferred to the patient’s tissue

• The number of photons absorbed in the X-ray tube

What is the most important interaction for creating useful diagnostic images?

• Compton scattering

• Photoelectric absorption

• Coherent scattering

• Pair production

Which interaction occurs when an X-ray photon interacts with an inner-shell electron, transferring all its energy?

• Compton scattering

• Photoelectric absorption

• Coherent scattering

• Pair production

What material is commonly used for the target (anode) in an X-ray tube?

• Lead

• Tungsten

• Aluminum

• Copper

What is the purpose of filtration in an X-ray beam?

• Increase patient dose

• Reduce beam energy

• Remove low-energy photons

• Increase photon scatter

Which interaction occurs with low-energy photons (<10 keV) and causes no ionization?

• Coherent scattering

• Compton scattering

• Photoelectric absorption

• Pair production