1.Question 1
A unit used to express the exposure an individual receives is the:
 
 
 
 
2.Question 2
The rem is a unit used to measure:
 
 
 
 
3.Question 3
Because of its low penetrating ability, the type of radiation which is usually only a hazard when inhaled or ingested is:
 
 
 
 
4.Question 4
Which of the following is an example of proper units for expressing exposure rate?
 
 
 
 
5.Question 5
Cosmic radiation and radiation from terrestrial sources are examples of:
 
 
 
 
6.Question 6
An example of a man-made source of radiation is:
 
 
 
 
7.Question 7
The three factors which are important in protecting individuals from radiation are:
 
 
 
 
8.Question 8
Radiation received by the body over a short period is:
 
 
 
 
9.Question 9
Chronic exposures are:
 
 
 
 
10.Question 10
Radioactive decay is defined as:
 
 
 
 
11.Question 11
When an atom of nuclear fuel is struck by a free neutron, it fissions and yields:
 
 
 
 
12.Question 12
The majority of radioactive material shipments are made in this type of packaging.
 
 
 
 
13.Question 13
Type B packages must be able to meet Type A requirements and also withstand the effects of ______ conditions?
 
 
 
 
14.Question 14
The label required for radioactive material packages with a maximum dose rate of 200 mR/hr at the surface of the package is:
 
 
 
15.Question 15
The label required for radioactive material packages in excess of 50 mr/hr but less than 200 mr/hr is:
 
 
 
16.Question 16
To determine the amount of radioactive material in a package of radioactive materials, you would look at the:
 
 
 
17.Question 17
The distinctive symbol used to identify radioactive materials is the:
 
 
 
18.Question 18
Unbroken radioactive material packages should never have a surface radiation dose above this level:
 
 
 
 
19.Question 19
A member of the public should give lifesaving first aid to injured victims of a radiological transportation accident:
 
 
 
 
20.Question 20
In the United States, serious radiation exposures:
 
 
 
 
21.Question 21
In every nuclear power plant that generates electricity, the following components are present:
 
 
 
 
22.Question 22
A chain reaction results when a uranium atom is struck by a(n) ______ released by a nearby uranium atom undergoing fission.
 
 
 
 
23.Question 23
The three main barriers in a nuclear power plant to prevent release of fission products are the fuel rods, the reactor coolant system, and the ______.
 
 
 
 
24.Question 24
To prevent fuel damage, decay heat must be removed from the reactor core:
 
 
 
25.Question 25
Control rods are used in a reactor core to:
 
 
 
26.Question 26
In a pressurized water- reactor the primary cooling water:
 
 
 
27.Question 27
A large modern nuclear power plant has approximately ______ fuel assemblies in its core.
 
 
 
 
28.Question 28
In a(n) ______ , an event has occurred which indicates a potential degradation of the level of safety of the plant and there is no release of radioactive material requiring an offsite response.
 
 
 
 
29.Question 29
In a(n) ______ , a major failure has occurred, but an immediate response by the public is not needed (though precautionary protective actions may be implemented).
 
 
 
 
30.Question 30
In response to the sever nuclear power plant accident (i.e., a General Emergency), what is a typical recommended protective action?
 
 
 
 
31.Question 31
A detonation of a nuclear explosive above 100,000 feet of altitude is called ______.
 
 
 
 
32.Question 32
Nuclear explosions can be ______ of times more powerful than the largest conventional weapon.
 
 
 
 
33.Question 33
The total energy released in a nuclear explosion is the explosions':
 
 
 
 
34.Question 34
The immediate destructive action of a nuclear explosion is caused by this.
 
 
 
 
35.Question 35
A nuclear explosion which releases energy equivalent to 7,000,000 tons of TNT:
 
 
 
 
36.Question 36
Just as in an emergency resulting from a nuclear power accident, the three most important ways of reducing the radiation exposure from fallout from a nuclear weapon are:
 
 
 
 
37.Question 37
Radioactive fallout makes the surface it comes into contact with radioactive. (True or False?)
 
 
38.Question 38
Radiological survey instruments:
 
 
 
 
39.Question 39
According to the "7:10 Rule of Thumb," if the exposure rate one hour after detonation of a nuclear weapon is 500 R/hr, the exposure rate approximately 14 days later (343 hours) will be approximately:
 
 
 
 
40.Question 40
The 7:10 Rule of Thumb:
 
 
 
 
41.Question 41
Everyone is exposed to radiation on a continuing basis from either ______ or ______ sources.
 
 
 
 
42.Question 42
Radiation that individuals are exposed to on a continuing basis which is considered non life-threatening is also known as this kind of radiation?
 
 
 
 
43.Question 43
Just under half of man's exposure to external natural radiation comes from?
 
 
 
 
44.Question 44
Radon dose comes primarily from its daughter products which are ______.
 
 
 
 
45.Question 45
The two radionuclides which concentrate in seafood are:
 
 
 
 
46.Question 46
By far, the radionuclide used in most nuclear medicine procedures is:
 
 
 
 
47.Question 47
Nuclear medicine techniques work through the detection of this kind of radiation, injected into the body by adding a radioisotope to a certain drug:
 
 
 
 
48.Question 48
Cancerous tumor cells can be treated by high energy or ______ .
 
 
 
 
49.Question 49
Most debris from a nuclear weapons test:
 
 
 
 
50.Question 50
Many smoke detectors contain: