Chapter 9 NEHA REHS/RS Study
Guide with Answers.
The term rad means
A- Required administered dose.
B- Radiation admitted dose.
C- Roentgen absorbed dose.
D- Radiation absorbed dose. - Answer D
Which of the following have little penetrating power and are normally a hazard to health only in
the form of internal radiation received through ingestion, inhalation, or open wounds?
A- X-rays
B- Alpha particles
C- Beta particles
D- Gamma rays - Answer B
Beta radiation is MOST commonly blocked by which of the following materials?
A- Lead
B- Concrete
C- Magnesium alloy
D- Glass or plastic - Answer D
Microwaves are reflected by:
A- Metals
B- Plastics
C- Glass
D- Polymers - Answer A
The energy of ionizing radiation is measured in
A- Ergs of energy per gram.
B- One electrostatic unit
C- Electron volts (eV)
D- One-person sievert (Sv) - Answer C
The term "frequency" cannot be described as
Guide with Answers.
The term rad means
A- Required administered dose.
B- Radiation admitted dose.
C- Roentgen absorbed dose.
D- Radiation absorbed dose. - Answer D
Which of the following have little penetrating power and are normally a hazard to health only in
the form of internal radiation received through ingestion, inhalation, or open wounds?
A- X-rays
B- Alpha particles
C- Beta particles
D- Gamma rays - Answer B
Beta radiation is MOST commonly blocked by which of the following materials?
A- Lead
B- Concrete
C- Magnesium alloy
D- Glass or plastic - Answer D
Microwaves are reflected by:
A- Metals
B- Plastics
C- Glass
D- Polymers - Answer A
The energy of ionizing radiation is measured in
A- Ergs of energy per gram.
B- One electrostatic unit
C- Electron volts (eV)
D- One-person sievert (Sv) - Answer C
The term "frequency" cannot be described as
