NEHA REHS/RS Study Guide Ch. 9 Questions With Complete Solutions
The term rad means A- Required administered dose. B- Radiation admitted dose. C- Roentgen absorbed dose. D- Radiation absorbed dose. correct 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 correct 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 correct answer: D Microwaves are reflected by: A- Metals B- Plastics C- Glass D- Polymers correct 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) correct answer: C The term "frequency" cannot be described as A- Waves B- Particles C- Vibrations
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neha rehsrs study guide ch 9 questions with comp
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