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HazMat > Chapter 4 Questions > Flashcards

Chapter 4 Questions Flashcards

1
Q

Improvised explosive devices (IEDs) can be concealed or hidden within:
A. Objects that have at least two openings
B. Objects that are at least 4 inches (100mm) in diameter
C. Almost any object
D. Objects that can be totally enclosed

A

C. Almost any object

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2
Q 
Which type of chemical warfare agents are similar to organophosphate pesticides but are typically significantly more potent than the pesticide formulated materials?
A. Blood agents
B. Nerve agents
C. Blister agents
D. Choking agents
A

B. Nerve agents

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3
Q

If there are several strong indicators that there is a suicide bomber, the first priority is to:
A. Clear and isolate the area
B. Incapacitate the subject
C. Monitor the area until law enforcement arrive
D. Disperse riot control agents in the area

A

A. Clear and isolate the area

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4
Q

What occurs when a person is near a radiation source and is exposed to the energy from that source?
A. They will be exposed but not necessarily contaminated
B. They will be injured from nonionizing radiation
C. They will be contaminated but not exposed
D. They will be neither exposed nor contaminated

A

A. They will be exposed but not necessarily contaminated

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5
Q

How will a class D fire react if water or water-based agents are used for extinguishment?
A. Similarly to electrical fires with increasing sparks
B. Violently and will emit bits of molten metal
C. Show no reaction to the water or water-based agents
D. Initially increase then gradually go into decay stage

A

B. Violently and will emit bits of molten metal

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6
Q

When using shielding to protect from radiation, exposure from fallout is reduced by:
A. About 50 percent at a level below ground
B. About 99.5 percent at a level below ground
C. About 90 percent at a level below ground
D. An insignificant amount even when below ground

A

C. About 90 percent at a level below ground

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7
Q

Pesticides are designed to kill specific target organisms and:
A. Can also be toxic to both humans and the environment
B. Have no impact on humans or the environment
C. Dissipate very quickly leaving no damage to other organisms
D. Do not harm other living organisms even if similar in biology to the target organism

A

A. Can also be toxic to both humans and the environment

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8
Q

Inorganic peroxide’s can act as both an oxidizer and a corrosive and:
A. Are often used as stabilizing agents
B. Burn when exposed to an ignition source
C. May have the ability to combust in the absence of air
D. Must have the presence of air to combust

A

C. May have the ability to combust in the absence of air

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9
Q

Why do bases cause penetrating and severe injuries to human tissue?
A. They cause human tissue to expand and tear
B. They soften and dissolve human tissue
C. They create pustules and inflammation on human tissue
D. They cause human tissue to harden

A

B. They soften and dissolve human tissue

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10
Q

Toxins are non living chemical compounds and they are:
A. Generally only toxic in very large quantities
B. Far less toxic than most industrial chemicals
C. Far more toxic than most industrial chemicals
D. Extremely contagious for humans

A

C. Far more toxic than most industrial chemicals

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11
Q 
Articles and substances having a mass explosion hazard are classified as:
A. Division 1.4
B. Division 1.2
C. Division 1.1
D. Division 1.3
A

C. Division 1.1

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12
Q

Hazardous materials incidents involving radioactive materials:
A. Are not a concern for hazmat technicians because ionizing radiation is very safe
B. Are out of scope for hazmat technicians
C. Are common because of a lack of regulations governing their use and transportation
D. Are uncommon because of the strict requirements governing their use and transportation

A

D. Are uncommon because of the strict requirements governing their use and transportation

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13
Q

Lethal dose 50 is defined as the close of a solid or liquid toxic substance that would:
A. Injured 50 percent of the exposed sample population
B. Cause irreparable harm too at least 50 percent of the environment
C. Either kill or injure 50 percent of the exposed sample population
D. Kill 50 percent of the exposed sample population

A

D. Kill 50 percent of the exposed sample population

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14
Q

When dealing with hydrocarbons at an incident, hazmat technicians:
A. Can treat the materials the same as oxidizing agents
B. Should not rely on reference sources because of the erratic behavior of hydrocarbons
C. Are unable to predict their behavior and hazards because of widely varying characteristics
D. Can predict their behavior and hazards because of common characteristics

A

D. Can predict their behavior and hazards because of common characteristics

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15
Q 
Explosives are particularly dangerous because they contain:
A. Both an oxidizer and a fuel
B. An ignition source
C. Three reactive materials
D. All sides of the fire triangle
A

A. Both an oxidizer and a fuel

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16
Q 
The spontaneous breakdown of an atomic nucleus resulting in the release of energy and matter from the nucleus is:
A. Radioactive decay
B. Neutron reactivity
C. Nuclear fission
D. Atomic combustion
A

A. Radioactive decay

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17
Q 
What type of hazardous materials can act as both an oxidizer and a corrosive and may have the ability to combust and even explode in the absence of air?
A. Inorganic peroxides
B. Air-reactive materials
C. Aromatics
D. Water-reactive materials
A

A. Inorganic peroxides

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18
Q 
Which group of biological agents is a single-celled living organism capable of independent growth?
A. Fungi
B. Toxins
C. Bacteria
D. Viruses
A

C. Bacteria

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19
Q 
How far do responders typically stage away from a suspected explosive material incident?
A. 3,000 feet (900 meters)
B. 500 feet (150 meters)
C. 2,000 feet (600 meters)
D. 1,000 feet (300 meters)
A

D. 1,000 feet (300 meters)

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20
Q 
The rate at which a number to atoms will decay and emit radiation in one second is called:
A. Reactivity
B. Half-life
C. Activity
D. Degradation
A

C. Activity

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21
Q 
The outer, dead layer of the human skin usually blocks:
A. Neutron particles
B. Rickettsia
C. Beta particles 
D. Alpha particles
A

D. Alpha particles

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22
Q 
Which type of ionizing radiation has smaller particles that can travel several yards in the air and can penetrate intact skin?
A. Alpha particles 
B. Neutron particles 
C. Beta particles 
D. Gamma particles
A

C. Beta particles

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23
Q 
What type of hazardous material does not burn but can make a fire burn much hotter and faster?
A. Aromatics
B. Reactive materials 
C. Alkynes
D. Oxidizers
A

D. Oxidizers

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24
Q 
Which type of chemical warfare agent primarily attacks and damages the respiratory tract?
A. Blister agents/vesicants
B. Choking agents
C. Nerve agents
D. Blood agents
A

B. Choking agents

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25
Q 
How is radioactive contamination best determined?
A. By witness statements
B. By monitoring signs and symptoms 
C. By visual clues 
D. By using a radiation detector
A

D. By using a radiation detector

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26
Q 
The measure of the time it takes for one half of a given amount of radioactive material to decay or change to a less hazardous form is referred to as its:
A. Internal degradation
B. Activity
C. Reactivity
D. Half-life
A

D. Half life

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27
Q

Which is a characteristics of hydrocarbons?
A. All hydrocarbons are either flammable or combustible
B. Most hydrocarbons sink in water
C. Most hydrocarbons are nontoxic
D. All hydrocarbons are soluble in water

A

A. All hydrocarbons are either flammable or combustible

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28
Q 
Which is an umbrella term for a family of chemicals designed to kill specific target organisms?
A. Nerve agents
B. Blister agents 
C. Biological toxins
D. Pesticides
A

D. Pesticides

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29
Q 
Which division of explosives include articles and substances having a mass explosion hazard?
A. Division 1.2
B. Division 1.1
C. Division 1.4
D. Division 1.3
A

B. Division 1.1

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30
Q

Why is it difficult to determine whether radiation is involved in an incident?
A. It has no detection mechanism
B. It is invisible
C. Appearance mimics some hazardous chemicals
D. Symptoms mimic other hazardous exposures

A

B. It is invisible

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31
Q 
Exposure from radioactive material fallout is reduced by about:
A. 80 percent at a level below ground
B. 90 percent at a level below ground 
C. 60 percent at a level below ground
D. 40 percent at a level below ground
A

B. 90 percent at a level below ground

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32
Q 
The ability of a chemical to cause harm via interference with or destruction of individual cells is referred to as its:
A. Reactivity
B. Concentration
C. Toxicity
D. Activity
A

C. Toxicity

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33
Q 
Which type of chemical warfare agent is considered the most dangerous?
A. Choking agents
B. Nerve agents
C. Blister agents/vesicants
D. Blood agents
A

B. Nerve agents

34
Q 
Where would you expect to find neutron radiation?
A. Electric power plants
B. Nuclear power plants
C. Manufacturing facilities 
D. Mining operations
A

B. Nuclear power plants

35
Q

The best course of action for large fires involving water-reactive materials is typically to isolate the area, protect exposures, and:
A. Allow the fire to burn until it consumes all of the fuel
B. Aggressively fight the fire
C. Allow the fire to burn until it is more easily fought
D. Attack small areas of the fire at a time

A

A. Allow the fire to burn until it consumes all of the fuel

36
Q 
What is the most common type of IED found in the United States?
A. Grenade
B. Box bomb
C. Plastic bottle bomb
D. Pipe bomb
A

D. Pipe bomb

37
Q 
Which type of chemical warfare agent includes mustard and lewisite?
A. Blood agents
B. Nerve agents
C. Blister agents/vesicants
D. Choking agents
A

C. Blister agents/vesicants

38
Q

Halogenated agents contain a halogen and:
A. Are typically more toxic than the parent materials
B. Have the same toxicity as the parent materials
C. Are typically less toxic than the parent materials
D. Are typically nontoxic

A

A. Are typically more toxic than the parent materials

39
Q 
Exposure to radiation received in a short period of time is a(n) \_\_\_\_\_ dose
A. Chronic
B. Acute
C. Concentration 
D. Lethal
A

B. Acute

40
Q 
Which family is classified as an acid or base based on its chemical behavior when. In contact with water?
A. Inert compounds 
B. Organic compounds
C. Reactive materials 
D. Corrosive
A

D. Corrosive

41
Q 
Who should move, defuse, or otherwise handle explosive devices?
A. Law enforcement 
B. Fire department supervisory personnel
C. Hazardous materials technicians 
D. Certified, trained bomb technicians
A

D. Certified, trained bomb technicians

42
Q 
Black powder, smokeless powder, and solid rocket fuel would be placarded as:
A. Division 1.4
B. Class I
C. Division 1.3
D. Class II
A

A. Division 1.4

43
Q

What is the first priority if a suicide bomber is suspected?
A. Shelter-in-place
B. Clear and isolate the area
C. Remove the suspect from the area
D. Set up triage and medical staging area

A

B. Clear and isolate the area

44
Q 
What is one of the most significant signs of nerve agent poisoning?
A. Feeling of extreme cold
B. Loss of smell
C. Loss of vision
D. Excess secretion of body fluids
A

D. Excess secretion of body fluids

45
Q

Which would be a possible indicator of a vehicle-borne improvised explosive device (VBIED)?
A. Vehicle that appears to be weighted down or sits unusually low on its suspension
B. Large vehicle with only one driver
C. Vehicle which has dents or dings that appear older
D. Small vehicle with multiple occupants

A

A. Vehicle that appears to be weighted down or sits unusually low on its suspension

46
Q 
The international system (SI) unit for activity is the becqueral (Bq), which is the quantity of radioactive material that one atom transforms per:
A. Second 
B. Minute
C. Day
D. Hour
A

A. Second

47
Q 
Which basic type of hydrocarbon will typically burn with sooty smoke that often gives the appearance of a spider web?
A. Alkynes
B. Aromatics
C. Alkenes
D. Alkanes
A

B. Aromatics

48
Q 
Which type of ionizing radiation has relatively large particles that can travel only a few inches in air and cannot penetrate intact skin?
A. Beta particles
B. Gamma particles
C. Neutron particles
D. Alpha particles
A

D. Alpha Particles

49
Q 
What are called main charge explosives because they do the bulk of the work?
A. Secondary explosives
B. Primary explosives
C. Active explosives
D. Initiating explosives
A

A. Secondary explosives

50
Q 
What type of hazardous materials, when exposed to air, can increase the potential of container failure due to overpressization?
A. Light-sensitive materials
B. Corrosives
C. Water-reactive materials
D. Air-reactive materials
A

D. Air-reactive materials

51
Q 
What is a specialized type of bacteria that is spread via arthropod vectors?
A. Fungi
B. Toxins
C. Rickettsia
D. Viruses
A

C. Rickettsia

52
Q 
What type of hazardous materials are often either metals or salts and can form highly caustic solutions?
A. Water-reactive materials
B. Light-sensitive materials
C. Shock-sensitive materials
D. Air-reactive materials
A

A. water-reactive materials

53
Q 
What types of materials should be stored below the maximum safe storage temperature for routine purposes because of the risk of chemical change and violent release from their packaging?
A. Inorganic peroxide’s
B. Water-reactive materials
C. Corrosives
D. Organic peroxides
A

D. Organic peroxides

54
Q

At an explosives incident, limit personnel exposure until:
A. Any suspects are under arrest
B. All bystanders are evacuated from the area
C. The risk of secondary devices is eliminated
D. A predetermined amount of time has passed

A

C. The risk of secondary devices is eliminated

55
Q 
Which group of biological agents requires living cells in which to replicate and includes smallpox?
A. Toxins
B. Bacteria
C. Viruses
D. Rickettsia
A

C. Viruses

56
Q 
Which type of chemical warfare agent causes temporary incapacitation by irritating the eyes and respiratory system?
A. Blood agent
B. Blister agent
C. Nerve agent
D. Riot control agents
A

D. Riot control agents

57
Q 
Which type of chemical material will soften and dissolve human tissue and create penetrating and severe injuries?
A. Organic peroxides
B. Bases
C. Inorganic peroxides
D. Acids
A

B. Bases

58
Q 
Which type of material is used in residential smoke detectors, medical diagnostic imaging and industrial food preservation?
A. Organic peroxides
B. Corrosives
C. Inorganic peroxides
D. Radioactive materials
A

D. Radioactive materials

59
Q 
What is a common sign or symptom of exposure to blister agents/vesicants?
A. Loss of vision
B. Seizures
C. Extreme cold
D. Difficulty breathing
A

D. Difficulty breathing

60
Q 
What are the primary routes of entry for blister agents?
A. Ingestion and injection 
B. Injection and absorption
C. Ingestion and inhalation
D. Inhalation and absorption
A

D. Inhalation and absorption

61
Q 
Which common family of hazardous materials releases energy or undergoes changes either on its own or in contact with other materials? 
A. Reactive materials
B. Organic compounds
C. Inorganic compounds
D. Corrosives
A

A. Reactive materials

62
Q 
Which basic type of hydrocarbon has explosive potential?
A. Alkanes
B. Aromatics
C. Alkynes
D. Alkenes
A

C. Alkynes

63
Q 
For which class of fire will the use of water or water-based agents cause the fire to react violently and emit bits of molten metal?
A. Class B
B. Class K
C. Class D
D. Class A
A

C. Class D

64
Q 
Bacteria includes:
A. Smallpox
B. Staphylococcal enterotoxin
C. Anthrax
D. Abrin
A

C. Anthrax

65
Q 
What type of radiation is capable of penetrating the skin and causing radiation damage, but is generally more hazardous when inhaled or ingested?
A. Alpha particles
B. Neutron particles
C. Beta particles 
D. Gamma particles
A

C. Beta particles

66
Q 
Which common family of hazardous materials is composed primarily of hydrocarbons and hydrocarbon derivatives?
A. Inorganic compounds
B. Corrosives
C. Reactive materials
D. Organic compounds
A

D. Organic compounds

67
Q 
Which type of radiation will travel through most materials?
A. Beta particles
B. Rickettsia
C. Neutron particles
D. Alpha particles
A

C. Neutron particles

68
Q 
Choking agents include:
A. Chlorine and phosgene
B. Tabun and sarin
C. Soman and V agent
D. mustard and lewistte
A

A. Chlorine and phosgene

69
Q 
What type of hazardous materials are commonly used as catalysts and/or initiators for a polymerization reaction?
A. Aromatics
B. Organic peroxides
C. Water-reactive materials
D. Air-reactive materials
A

B. Organic peroxides

70
Q 
Which type of electromagnetic wave is able to travel considerable distances and through heavy objects?
A. X-rays
B. Gamma rays
C. Beta rays
D. Alpha rays
A

B. Gamma rays

71
Q 
Which type of chemical warfare agent interferes with the body’s ability to use oxygen and includes hydrogen cyanide and cyanogen chloride?
A. Choking agents
B. Blood agents
C. Nerve agents
D. Blister agents/vesicants
A

B. Blood agents

72
Q 
Which would be an indicator of a package or letter bomb?
A. Excessive postage
B. Package must be signed for
C. Package slip on the outside
D. Contains bill of lading
A

A. Excessive postage

73
Q 
An example of a chronic radiation dose includes;
A. Workers in pesticide companies 
B. Workers in medical facilities 
C. Civilians exposed to a nuclear bomb
D. Small electronic use by consumers
A

B. Workers in medical facilities

74
Q 
The inverse square law means that doubling the distance from a point source of a radioactive material divides the dose by a factor of:
A. Ten
B. Six
C. Two
D. Four
A

D. Four

75
Q

Lethal dose 50 can be defined as the dose of a solid or liquid toxic substance that would:
A. Affect 50 percent of the exposed sample population in some way
B. Kill 50 percent of the exposed sample population
C. Kill virtually 100 percent of the exposed sample population
D. Maim 50 percent of the exposed sample population

A

B. Kill 50 percent of the exposed sample population

76
Q 
What type of hazardous material is especially dangerous because all it takes is the introduction of energy in the form of heat, shock, or friction to cause a reaction?
A. Radioactive materials
B. Explosives
C. Biological agents
D. Toxins
A

B. Explosives

77
Q 
Which type of explosive may be used in IEDs and has a common ingredient that is found in some fireworks?
A. Peroxide-based explosives
B. Nitrate-based explosives
C. Ammonium-based explosives
D. Chlorite-based explosives
A

D. Chlorite-based explosives

78
Q 
When radioactive material is deposited on surfaces, skin, clothing, or any place where it is not desired, radioactive \_\_\_\_ occurs.
A. Reactivity
B. Corrosion
C. Contamination
D. Absorption
A

C. Contamination

79
Q 
Which type of radiation is rarely a by-product of natural radioactive decay and is primarily produced by machines?
A. Alpha particles
B. Gamma rays
C. Beta particles
D. X-rays
A

D. X-rays

80
Q 
Which types of bomb is filled with a material such as dry ice or a combination of reactive materials that will expand rapidly, causing the container to explode?
A. Plastic bottle bombs
B. Backpack bomb
C. M-devices
D. Pipe bombs
A

A. Plastic bottle bombs

HazMat (16 decks)

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