QUESTIONS WITH SOLUTIONS GRADED A+
◉ Notice to Employees forms are to be posted: Answer: A sufficient
number of places where employees can observe a copy on the way to
or from their place of employment
◉ If an entrance control device at a permanent radiographic
installation requires repairing, the facility can continue to be used
for a period of seven days, provided: Answer: Radiographic
personnel are issued alarm rate meters, and must maintain
continuous surveillance of the area
◉ The effects of radiation on the person who is exposed are referred
to as: Answer: Somatic effects
◉ An example of a nonstochastic health effect would be: Answer:
Radiation sickness
◉ An example of a stochastic health effect would be: Answer: Cancer
◉ The tube that is located inside of a radiographic exposure device
is called: Answer: A "S" tube
,◉ Radioactive sources that are used for industrial radiography are
considered what form? Answer: Special form
◉ The radioactive sources that are used for industrial radiography
are called: Answer: Sealed sources
◉ The high radiation area entrance controls that are required at
permanent radiographic installations are required to be tested for
proper operation: Answer: At the beginning of each day of
equipment use
◉ The term used to define the ability of licensees to work in states
other than the state where they are licensed is called: Answer:
Reciprocity
◉ The special unit of exposure is the: Answer: Roentgen
◉ As a minimum, when should survey meters be checked for
response to radiation? Answer: At the beginning of each shift
◉ Radioactive shipments whose surface dose rate exceeds 200mr/h
or the transport index exceeds Answer: Exclusive use vehicle
, ◉ If the range switch on a survey meter is set on X 1 and the needle
is on 7, what is the dose rate? Answer: 7mr/h
◉ If the range switch on a survey meter is set on X 0.1 and the
needle is on 9, what is the dose rate? Answer: 0.9 mr/h
◉ After radiation passes through a tenth value layer of shielding, the
intensity will be approximately: Answer: One - thousandth as great
◉ You are involved in a minor traffic accident. You survey the
camera and radiation levels show that the source is safely shielded
in the camera. You should: Answer: a. Contact company management
and law enforcement so an accident investigation can be conducted.
b. Inform the responder that there is radioactive material in your
vehicle, it was not damaged during the wreck, and is safely
contained.
c. Remain at the sight with the vehicle and keep the exposure device
locked in the storage container until you have been released and
received instructions from your company management.
d. All of the above
◉ What is considered by most health physicists to be the greatest
health risk caused by exposure to low doses of radiation? Answer:
Cancer