Answer the following statement(s) true (T) or false (F)
1. Single-phase full wave rectified equipment requires a motor spin-top test to measure timer accuracy.
2. The total number of dots on the radiographic image divided by 60 equals the exposure time.
3. The scintillation counter houses specialized crystals that, when struck by radiation (x-ray and gamma), emit light.
4. Scintillation counters are very sensitive and more commonly associated with nuclear medicine facilities.
5. The National Council on Radiation Protection and Measurements (NCRP) makes recommendations for dose limits for occupational workers and the general public.
1. FALSE Single-phase full wave rectified equipment requires a manual spin-top test to measure timer accuracy.
2. FALSE The total number of dots on the radiographic image divided by 120 (the constant variable) equals the exposure time.
3. TRUE The amount of light emitted is directly related to the amount of radiation detected.
4. TRUE A photomultiplier tube measures the light.
5. TRUE This includes recommendations for embryo/fetus and trainees/radiography students.
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________ The Centers for Disease Control and Prevention's Universal Precautions are used in hospitals, whereas Standard Precautions are used in the medical office
Indicate whether the statement is true or false
A nanometer is equivalent to:
A. 109 meters. B. 10–9 meters. C. Nine meters. D. One-ninth of a meter.