Deck 2: Radiation Physics

Question 1

What type of electrical charge does the proton carry?

A) No charge
B) Positive charge
C) Negative charge
D) Positive and negative charge

Answer 1

Positive charge

Question 2

What is an atom that gains or loses an electron and becomes electrically unbalanced?

A) Molecule
B) Proton
C) Neutron
D) Ion

Answer 2

Ion

Question 3

What is the emission and propagation of energy through space or a substance in the form of waves or particles?

A) Radiation
B) Ionization
C) Radioactivity
D) Electron volts

Answer 3

Radiation

Question 4

What can be defined as the process by which certain unstable atoms or elements undergo spontaneous disintegration, or decay, in an effort to attain a more balanced nuclear state?

A) Radiation
B) Ionization
C) Radioactivity
D) Kilo electron volts

Question 5

What can be defined as radiation that is capable of producing ions by removing or adding an electron to an atom?

A) Radiation
B) Radioactivity
C) Ion pair
D) Ionizing radiation

Question 6

What portion of the dental x-ray machine contains the on-off switch and an indicator light, an exposure button, and control devices?

A) Extension arm
B) Cathode
C) Control panel
D) Tubehead

Question 7

What portion of the x-ray tube is responsible for supplying electrons that are necessary to generate
X-rays?

A) Anode
B) Leaded-glass window
C) Cathode
D) Copper stem

Question 8

What is the measurement of electrical force that causes electrons to move from a negative pole
To a positive one?

A) Amperage
B) Voltage
C) Kinetic energy
D) Thermionic emission

Question 9

Which term refers to the penetrating x-ray beam that is produced at the target of the anode and that exits the tubehead?

A) Scatter radiation
B) Primary beam
C) Secondary beam
D) Characteristic radiation