Question 1

Which of the following are by-products of photoelectric absorption?

Accepted Answer

A) Photoelectron and Compton scattered electron 
B) Low-energy scattered x-ray photon and characteristic photon 
C) Low-energy scattered x-ray photon and Compton scattered electron 
D) Photoelectron and characteristic photon 
A) Photoelectron and Compton scattered electron 
B) Low-energy scattered x-ray photon and characteristic photon 
C) Low-energy scattered x-ray photon and Compton scattered electron 
D) Photoelectron and characteristic photon

Question 2

Coherent scattering is most likely to occur ____________ even though some of this scattering occurs throughout the diagnostic range and may result in small amounts of radiographic fog.

Accepted Answer

A) below 10 keV 
B) between 30 keV and 60 keV 
C) between 60 keV and 90 keV 
D) above 100 keV 
A) below 10 keV 
B) between 30 keV and 60 keV 
C) between 60 keV and 90 keV 
D) above 100 keV

Question 3

In photoelectric absorption to dislodge an inner-shell electron from its atomic orbit,the incoming x-ray photon must be able to transfer a quantity of energy:

Accepted Answer

A) less than the energy that binds the atom together. 
B) 10 times as great as the energy that binds the atom together. 
C) as large as or larger than the amount of energy that binds the electron in its orbit. 
D) equal to or greater than 1.022 MeV,regardless of the energy that binds the electron in its orbit. 
A) less than the energy that binds the atom together. 
B) 10 times as great as the energy that binds the atom together. 
C) as large as or larger than the amount of energy that binds the electron in its orbit. 
D) equal to or greater than 1.022 MeV,regardless of the energy that binds the electron in its orbit.

Question 4

The symbol Z indicates:

Accepted Answer

A) atomic number of an atom. 
B) atomic weight of an atom. 
C) fluorescent yield. 
D) the number of vacancies in an atomic shell. 
A) atomic number of an atom. 
B) atomic weight of an atom. 
C) fluorescent yield. 
D) the number of vacancies in an atomic shell.

Question 5

Which of the following interactions between photons and matter involves a matter-antimatter annihilation reaction?

Accepted Answer

A) Compton scattering 
B) Coherent scattering 
C) Pair production 
D) Photoelectric absorption 
A) Compton scattering 
B) Coherent scattering 
C) Pair production 
D) Photoelectric absorption

Which of the following are by-products of photoelectric absorption?

Coherent scattering is most likely to occur ____________ even though some of this scattering occurs throughout the diagnostic range and may result in small amounts of radiographic fog.

In photoelectric absorption to dislodge an inner-shell electron from its atomic orbit,the incoming x-ray photon must be able to transfer a quantity of energy:

The symbol Z indicates:

Which of the following interactions between photons and matter involves a matter-antimatter annihilation reaction?

Introduction to Radiation Protection

Radiation: Types, sources, and Doses Received

Radiation Quantities and Units

Radiation Monitoring

Overview of Cell Biology

Molecular and Cellular Radiation Biology

Early Deterministic Radiation Effects on Organ Systems

Late Deterministic and Stochastic Radiation Effects on Organ Systems

Dose Limits for Exposure to Ionizing Radiation

Equipment Design for Radiation Protection

Management of Patient Radiation Dose During Diagnostic X-Ray Procedures

Management of Imaging Personnel Radiation Dose During Diagnostic X-Ray Procedures

Radioisotopes and Radiation Protection

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Exam 3: Interaction of X-Radiation With Matter

Which of the following are by-products of photoelectric absorption?

Coherent scattering is most likely to occur ____________ even though some of this scattering occurs throughout the diagnostic range and may result in small amounts of radiographic fog.

In photoelectric absorption to dislodge an inner-shell electron from its atomic orbit,the incoming x-ray photon must be able to transfer a quantity of energy:

The symbol Z indicates:

Which of the following interactions between photons and matter involves a matter-antimatter annihilation reaction?

Introduction to Radiation Protection

Radiation: Types, sources, and Doses Received

Radiation Quantities and Units

Radiation Monitoring

Overview of Cell Biology

Molecular and Cellular Radiation Biology

Early Deterministic Radiation Effects on Organ Systems

Late Deterministic and Stochastic Radiation Effects on Organ Systems

Dose Limits for Exposure to Ionizing Radiation

Equipment Design for Radiation Protection

Management of Patient Radiation Dose During Diagnostic X-Ray Procedures

Management of Imaging Personnel Radiation Dose During Diagnostic X-Ray Procedures

Radioisotopes and Radiation Protection

Filters