Question 1

What is the effective atomic number of compact bone?

Accepted Answer

A) 5.9 
B) 7.4 
C) 7.6 
D) 13.8

Question 2

Which of the following interactions results in the conversion of matter into energy?

Accepted Answer

A) Classical scattering 
B) Photoelectric absorption 
C) Modified scattering 
D) Annihilation reaction

Question 3

Which of the following results in all-directional scatter?

Accepted Answer

A) Classical interaction 
B) Coherent interaction 
C) Photoelectric interaction 
D) Compton interaction

Question 4

Which of the following particles is considered to be a form of antimatter?

Accepted Answer

A) Electron 
B) Positron 
C) X-ray photon 
D) Scattered x-ray photon

Question 5

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

Exam 3: Interaction of X-Radiation With Matter

What is the effective atomic number of compact bone?

Which of the following interactions results in the conversion of matter into energy?

Which of the following results in all-directional scatter?

Which of the following particles is considered to be a form of antimatter?

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