Health & SafetyAnswer Key

At Hazmat Incidents Response Models Are Used To

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QUESTION 1

The US&R designated signal that consists of one long and one short blast means:

ANSWER

Resume Operations.

QUESTION 2

At hazmat incidents, response models are used to:

ANSWER

simplify the problem-solving process.

QUESTION 3

A leak from a domestic natural gas line on the consumer side of the meter is generally considered a:

ANSWER

Level I incident.

QUESTION 4

What should an Awareness level responder do if terrorist or criminal activity is suspected?

ANSWER

Notify law enforcement

QUESTION 5

If you smell freshly cut hay in an urban setting, you should suspect the presence of:

ANSWER

phosgene, a choking agent.

QUESTION 6

Which question would be most helpful for emergency responders to consider?

ANSWER

How much time has elapsed since the incident began?

QUESTION 7

Unusually colored smoke or flames combined with unusually fast burning fires may indicate:

ANSWER

an explosive device.

QUESTION 8

What aspect of evaluating progress deals with returning the incident scene and responders to a preincident level of readiness?

ANSWER

Recovery

QUESTION 9

Nonintervention operations, or not taking any direct action at an incident, is:

ANSWER

the only safe strategy in many types of incidents.

QUESTION 10

Which type of biological agent can only replicate inside a host's living cells and does not respond to antibiotics?

ANSWER

Viruses

QUESTION 11

What type of incident requires Unified Command?

ANSWER

Level III

QUESTION 12

What should you do if you encounter a suspected illicit lab?

ANSWER

Get out and report it to authorities immediately.

QUESTION 13

When protecting the public at an incident, if there is enough time, the best protective action generally is:

ANSWER

evacuation.

QUESTION 14

What is one of the greatest barriers to maintaining situational awareness on scene?

ANSWER

Competing priorities

QUESTION 15

Aged chemicals:

ANSWER

may become unstable.

QUESTION 16

An electromagnetic pulse may indicate a:

ANSWER

nuclear attack.

QUESTION 17

An industrial chemical that is toxic at a certain concentration and is produced in quantities exceeding 30 tons (30.5 tonnes) per year at one facility is called a(an):

ANSWER

toxic industrial material (TIM).

QUESTION 18

Like size-up, hazard and risk assessment is:

ANSWER

a continual evaluation.

QUESTION 19

After the material has been identified, written references such as safety data sheets (SDSs) will likely be used to determine:

ANSWER

health and physical hazards presented by the material.

QUESTION 20

What type of occupancy is MOST likely to be targeted by terrorists?

ANSWER

An airport

QUESTION 21

What is a likely result of following predetermined procedures at emergency incidents?

ANSWER

Effective command and control

QUESTION 22

Decontamination usually takes place within the:

ANSWER

warm zone.

QUESTION 23

Action planning starts with identifying the:

ANSWER

response objective (strategy) to achieve a solution to the confronted problems.

QUESTION 24

How do blood agents cause harm?

ANSWER

They interfere with the body's ability to use oxygen.

QUESTION 25

Universal precautions are meant to protect against:

ANSWER

biological agents.

QUESTION 26

Hazard and risk assessment starts:

ANSWER

during pre-incident planning.

QUESTION 27

Which of the following is MOST likely to be a hazard at an illegal hazmat dump?

ANSWER

Unlabeled and/or mixed chemicals

QUESTION 28

What should you do if you spot or suspect a booby trap or secondary device?

ANSWER

Contact bomb squad personnel

QUESTION 29

Which statement about product identification and risk-based response is most accurate?

ANSWER

Risk-based response should be implemented for all hazardous materials incidents.

QUESTION 30

Which statement best describes the three modes of operation?

ANSWER

The mode of operation may change during the course of an incident.

QUESTION 31

What kind of explosives are usually used as detonators because they are easily initiated and highly sensitive to heat?

ANSWER

Primary

QUESTION 32

First responders without Mission-Specific training can conduct rescue operations without risk of contamination such as:

ANSWER

moving victims to a safe place.

QUESTION 33

Equipping responders with the critical information that is needed to make good decisions, while not overwhelming them with nice-to-know information is the key to:

ANSWER

risk-based response.

QUESTION 34

An effective strategy to protect first responders at hazmat incidents is:

ANSWER

time, distance, and shielding.

QUESTION 35

Which service will an emergency response center provide for first responders?

ANSWER

Provide immediate technical assistance to the caller

QUESTION 36

Which might suggest an illicit lab?

ANSWER

Unusual odors in unexpected places such as hotel rooms

QUESTION 37

If you suspect a suicide bomber, what is the first priority?

ANSWER

Clear and isolate the area.

QUESTION 38

Any device (other than a nuclear explosive device), specifically designed to disseminate radioactive material to cause destruction, damage, or injury, is called a:

ANSWER

radiological-dispersal device (RDD).

QUESTION 39

A personnel tracking and accountability system must include:

ANSWER

a way of identifying and tracking the location of each unit and all personnel on scene.

QUESTION 40

What information should be provided to responders before they leave the scene?

ANSWER

Signs and symptoms of an exposure

QUESTION 41

Which is a common response objective at a hazardous materials incident?

ANSWER

Crime scene and evidence preservation

QUESTION 42

A Level II incident:

ANSWER

is beyond the capabilities of the first responders on the scene.

QUESTION 43

Nerve agents:

ANSWER

are liquids at ambient temperatures.

QUESTION 44

Who is responsible for developing the Incident Action Plan at a hazardous materials incident?

ANSWER

Incident Commander

QUESTION 45

What procedural action of the termination phase compiles the information obtained from the debriefings, postincident reports, and critiques to identify trends regarding operational strengths and weaknesses?

ANSWER

Postincident analysis

QUESTION 46

What types of explosives commonly take the form of a white crystal or powder that must be mixed with a fuel source?

ANSWER

Chlorate-based

QUESTION 47

Unexplained patterns or sudden onset of similar, nontraumatic and noninfectious illnesses or death may indicate a possible _____ attack.

ANSWER

chemical

QUESTION 48

What separates terrorist tactics from legitimate activities?

ANSWER

The decision to engage in criminal, intimidating activities

QUESTION 49

The boundary established to prevent unauthorized access to and egress from the scene is called the:

ANSWER

isolation perimeter.

QUESTION 50

Which category of chemical agents may be sold legally as personal defense devices?

ANSWER

Riot control agents

QUESTION 51

What type of explosives are nonmilitary first responders MOST likely to encounter?

ANSWER

Improvised explosive materials

QUESTION 52

The buddy system's primary benefit is to:

ANSWER

provide rapid help if there is an emergency.

QUESTION 53

In which hazard-control zone are workers not required to wear PPE because the zone is considered safe?

ANSWER

Cold zone

QUESTION 54

Indicators of a package or letter bomb include:

ANSWER

mail that shows oily stains or discoloration.

QUESTION 55

Which statement best describes an incident action plan (IAP)?

ANSWER

A well-thought-out, organized course of events developed to address all phases of incident control within a specified time

QUESTION 56

Defensive operations are those in which:

ANSWER

responders seek to confine the emergency to a given area without directly contacting the hazardous material.

QUESTION 57

Which responder will need to develop and implement an incident action plan (IAP)?

ANSWER

A first responder assuming the role of IC

QUESTION 58

When might the IC decide not to protect property or the environment at a hazmat incident?

ANSWER

When doing so would pose a risk to life safety

QUESTION 59

An infectious disease that can spread rapidly from person to person is:

ANSWER

contagious.

QUESTION 60

When are response tactics developed?

ANSWER

After response strategies are in place

QUESTION 61

What organization heads U.S. government agencies in investigating and attempting to prevent terrorist attacks on U.S. soil?

ANSWER

FBI

QUESTION 62

Orphaned hazardous materials may be an issue during terrorist attacks and:

ANSWER

natural disasters.

QUESTION 63

What is an indicator to withdraw immediately?

ANSWER

A sudden change in pressure

QUESTION 64

Which protective action involves directing people to go quickly inside or to stay inside a room or a building and remain inside until danger passes?

ANSWER

Shelter in place

QUESTION 65

To help preserve evidence and assist law enforcement, first responders should:

ANSWER

take photographs and videos of the scene.

QUESTION 66

Offensive operations are:

ANSWER

sometimes beyond the scope of responsibilities of first responders and require highly trained personnel.

QUESTION 67

Why is it important to stop potentially contaminated individuals or animals from leaving the scene of a hazmat incident?

ANSWER

To stop the spread of hazardous materials

QUESTION 68

Attempts to confine a hazardous material that has been released from its container are called _____ strategies.

ANSWER

defensive

QUESTION 69

Why is it so difficult to trace the source of a biological attack?

ANSWER

There may be a delay of weeks before someone becomes ill.

QUESTION 70

Which of the following is an example of a response model?

ANSWER

APIE

QUESTION 71

Multiple hot zones or a very large hot zone may be required at an incident with:

ANSWER

multiple devices or release points.

QUESTION 72

Who should move, defuse, or handle explosive devices?

ANSWER

Only a certified, trained bomb technician

QUESTION 73

Which mode of disease transmission has the potential to infect a large number of people quickly?

ANSWER

Airborne

QUESTION 74

If terrorist activity is suspected at an incident, first responders must immediately:

ANSWER

notify law enforcement.

QUESTION 75

Assessing the incident's conditions to recognize cues that indicate problems or potential problems is called:

ANSWER

size-up.

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