FEMA IS 003 Radiological Emergency Management Study Guide


Our study guide to Radiological Emergency Management, containing correct FEMA IS 3 Answers and course notes. Radiological Emergency Management is a 50 question test that covers topics in radiation and environmental effects; as well as how to deal with them. You can credit bank this course for a college credit at colleges like Frederick or Charter Oak. Get your free IS 3 Radiological Emergency Management answers, download now!

Course Date


Course Overview

  • This independent study course contains information on a variety of radiological topics, including:
  • Fundamental principles of radiation
  • Nuclear threat and protective measures
  • Nuclear power plants
  • Radiological transportation accident
  • Other radiological hazards

From IS 3 Radiological Emergency Management


An example of a man-made source of radiation is:
A. Potassium-40 in the human body
Answer: Diagnostic radiation
C. Cosmic radiation
D. Terrestrial sources

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A nuclear explosion which releases energy equivalent to 7,000,000 tons of TNT:
A. Has a thermal energy release of 7 million kilograms
B. Is called a 7 megaton burst
C. Has an energy yield of 7 kilotons
D. Is called a 7 kiloton burst

To prevent fuel damage, decay heat must be removed from the reactor core:
A. Until the primary coolant system is activated
B. After the reactor shuts down
C. Until the reactor shuts down

Unbroken radioactive material packages never have a surface radiation dose above this level:
A. 1,000 mR/hr
B. 500 mR/hr
C. 100 mR/hr
D. 50 mR/hr

Radon dose comes primarily from its daughter products which are ______.
A. Touched
B. Inhaled
C. Counted
D. Ingested

The 7:10 Rule of Thumb:
A. Is accurate to within +10 percent
B. Is more reliable than radiological survey instrument readings
C. Helps estimate future exposure levels
D. Is 100 percent accurate

The immediate destructive action of a nuclear explosion is caused by this.
A. Dust
B. Shock
C. Radiation
D. Heat

In a pressurized water- reactor the primary cooling water:
A. Transfers its heat to the secondary cooling water in a steam generator
B. Evaporates to the atmosphere using a cooling tower
C. Boils in the core and is used to turn the turbine

Which of the following is an example of proper units for expressing exposure rate?
A. r:hr
B. Hr:R
C. R/hr
D. Hr/R

Radiological survey instruments:
A. Will be very reliable following a nuclear detonation since they usually use AC line current
B. Are the most accurate and reliable means of determining exposure levels
C. Will give just an approximate answer which will need to be corrected using the “7: l0 Rule of Thumb”
D. Will not be very reliable after a nuclear detonation because of weak batteries and no sure way of checking the strength of those batteries

Nuclear medicine techniques work through the detection of this kind of radiation, injected into the body by adding a radioisotope to a certain drug:
A. Neutrons
B. Gamma-rays
C. X-rays
D. Alpha particles

Radiation received by the body over a short period is:
A. Supralethal exposure
B. Acute exposure
C. Sublethal exposure
D. Chronic exposure

In a(n) ______, a major failure has occurred, but an immediate response by the public is not needed.
A. Unusual Event
B. Alert
Answer = Site Area Emergency
D. General Emergency

Radioactive fallout makes the surface it comes into contact with radioactive. (True or False?)
A. True
B. False

The key elements of emergency management are ______ , Response, Recovery and, Mitigation.
A. Employment
B. Measurement
C. Preparedness
D. Removal

The three main barriers in a nuclear power plant to prevent release of fission products are the fuel rods, the reactor vessel, and the ______.
A. Control rods
B. Condensor
C. Containment building
D. Secondary coolant system

Nuclear power plant emergency plans are required to incorporate actions for which of the following types of radiological hazards?
A. Fallout
B. Blast effects
C. Direct exposure to radiation from a plume of radioactive material

Most debris from a nuclear weapons test:
A. Disintegrated
B. Was pushed into the stratosphere
C. Was pushed into the troposhere
D. Fell immediately

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:
A. 0.05 R/hr
B. 0.5 R/hr
C. 5 R/hr
D. 50 R/hr

The label required for radioactive material packages with a maximum dose rate of 200 mR/hr at the surface of the package is:
A. Radioactive White I
B. Radioactive Yellow III
C. Radioactive Yellow-II

To determine the amount of radioactive material in a package of radioactive materials, you would look at the:
A. Package type
B. Label
C. Placard

Because of its low penetrating ability, the type of radiation which is usually only a hazard when inhaled or ingested is:
A. Neutron radiation
B. Gamma radiation
C. Beta radiation
D. Alpha radiation

Radiation that individuals are exposed to on a continuing basis which is considered non life-threatening is also known as this kind of radiation?
A. Uneventful
B. Background
C. Intrinsic
D. Cosmic

Radioactive decay is defined as:
A. The decline in the strength of a radioactive source due to the combined effects of time, distance, and shielding
B. The gradual decrease in the number of radioactive atoms in radioactive material due to spontaneous fission
C. The decomposition of radioactive atoms due to lengthy exposure to direct sunlight
D. The decrease in the amount of any radioactive material due to the spontaneous emission of nuclear radiation from the nucleus

The distinctive symbol used to identify radioactive materials is the:
A. White square
B. Tri-blade
C. Diamond

If evacuation is required following a nuclear power plant accident, it is recommended that individuals living anywhere closer than miles be evacuated.
A. 15
B. 5 to 10
C. 3 to 5
D. 2 to 3

Many smoke detectors contain:
A. Iodine
B. Strontium-90
C. Carbon-14
D. Americium-241

Type B packages must be able to meet Type A requirements and also withstand the effects of ______ conditions?
A. Faster transportation speed
B. Higher weight
C. Accident
D. Higher radiation

The two radionuclides which concentrate in seafood are:
A. Polonium and mercury
B. Lead and polonium
C. Thorium and mercury
D. Lead and mercury

The majority of radioactive material shipments are made in this type of packaging.
A. Industrial
B. Limited Quantity
C. Type B
D. Type A

Chronic exposures are:
A. Acute exposures which affect all parts of the body
B. Acute exposures which affect only critical organs of the body
C. Amounts of radiation received over a very long period of time
D. Amounts of radiation received over a short period of time

In every nuclear power plant that generates electricity, the following components are present:
A. Pump, steam generator, cooling tower
B. Turbine electricity generator, pump, cooling tower
C. Heat source, turbine electricity generator, and pump
D. Heat source, steam generator, cooling tower

Nuclear explosions can be ______ of times more powerful than the largest conventional weapon.
A. Billions
B. Millions
C. Thousands
D. Hundreds

The total energy released in a nuclear explosion, is the explosions:
A. Nuclear energy
B. Energy yield
C. Blast
D. Thermal energy

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:
A. Time, distance, and shielding
B. Dose rate, distance, and shielding
C. Dose rate, distance, and time
D. Time, shelter, and gender

By far, the radionuclide used in most nuclear medicine procedures is:
A. Cobalt-60
B. Technicium-99m
C. Strontium-90
D. Carbon-14

Cancerous tumor cells can be treated by high energy or ______.
A. Gamma rays, neutrons
B. Gamma rays, X-rays
C. Neutrons, electrons
D. Neutrons, alpha particles

A detonation of a nuclear explosive above 100,000 feet of altitude is called ______.
A. A surface burst
B. A sub-cosmic burst
C. A high-altitude burst
D. An air burst

The three factors which are important in protecting individuals from radiation are:
A. Distance, time, and dose rate
B. Time, shielding, and distance
C. Dose rate, time, and gender
D. Time, shielding, and dose rate

The rem is a unit used to measure:
A. Radioactivity
B. Radiation dose in terms of the amount of the biological effect caused by the amount of energy absorbed
C. Radiation dose in terms of the amount of energy absorbed
D. Radiation exposure

A chain reaction results when a uranium atom is struck by a(n) ______ released by a nearby Uranium atom undergoing fission.
A. Neutron
B. Gamma ray
C. Proton
D. Electron

Cosmic radiation and radiation from terrestrial sources are examples of:
A. Radioactive sources used in the medical field
B. Industrial sources of radiation
C. Natural man-made radiation
D. Natural background radiation

Just under half of man’s exposure to external natural radiation comes from?
A. Food
B. Rocks
C. Cosmic radiation
D. Rado

A large modern nuclear power plant has approximately ______ fuel assemblies in its core.
A. 500
B. 200
C. 50
D. 100

The label required for radioactive material packages in excess of 50 mr/hr but less than 200 mr/hr is:
A. Radioactive Yellow-I
B. Radioactive Yellow-II
C. Radioactive Yellow-III

A member of the public should give lifesaving first aid to injured victims of a radiological transportation accident:
A. Immediately after notifying the appropriate authorities
B. After isolating the area
C. After verifying that no radioactive material packages have broken open
D. Without delay out of concern for radiological hazards

A unit used to express the exposure an individual receives is the:
A. Rad
B. Curie
C. Roentgen
D. Rem/hr

In the United States, serious radiation exposures:
A. Frequently result from radioactive transportation accidents due to the large number of such shipments
B. Have resulted from improper packaging of radioactive material shipments
C. Have resulted from improper labeling of radioactive material shipments
D. Have not resulted from radiological transportation accidents due largely to the nature of the material transported and the use of appropriate protective packaging

Control rods are used in a reactor core to:
A. Encase the nuclear fuel
B. Are a source of free neutrons which are used to cause fission
C. Absorb free neutrons

Everyone is exposed to radiation on a continuing basis from either ______ or ______ sources.
A. Terrestrial, extra-terrestrial
B. Natural, man-made
C. Radon, uranium
D. Uranium, thorium


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