Answer the following statement(s) true (T) or false (F)

1. Field survey instruments are radiation detection devices used to measure ionizing radiation in the air.
2. Spin-top testing is to measure the size of the effective focal spot and confirm that it is within the tolerance range of the manufacturer’s specifications.
3. Leakage radiation is the radiation that exits through the glass window.
4. An uncontrolled area is shielded so as to not exceed the annual effective absorbed dose limit of 0.5 rem per year.
5. The Geiger-Muller counter uses a gas detection chamber and is used to detect alpha particles, beta particles and gamma rays.

1. TRUE The Geiger-Muller counter is an example of a field survey instrument.
2. FALSE Focal spot testing is used to measure the size of the effective focal spot and confirm manufacturer’s specifications.
3. FALSE Leakage radiation is the radiation that exits through the protective metal tube housing.
4. FALSE The general public occupies uncontrolled areas such as hallways, stairways, waiting rooms, and restrooms.
5. TRUE The Geiger-Muller counter is used in nuclear medicine departments.