FIREFIGHTER HAZMAT OPS EXAM FINAL EXAM LATEST 3 VERSIONS QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A
Identify the THREE items that an Operations level responder must protect when
responding to a release or potential release of a hazardous material. - CORRECT
ANSWER 1. Nearby people
2. Environment
3. Reports about the incident
Industrial packages are designed to transport radioactive materials with: - CORRECT
ANSWER Low concentrations, that are considered to be a limited threat to the
public, and packaged in glass or concrete.
You're driving alongside the railroad tracks and see a tank car with a white body and
two red vertical bands. A label on the tank reads "HIGHLY TOXIC." You have just seen
a: - CORRECT ANSWER Pressure railway tank car
Strong, tight packages are designed to transport radioactive materials with: -
CORRECT ANSWER Low radioactivity such as natural uranium and rubble from
nuclear reactors and packaged in steel, wood, or fiberboard
Intermodal equipment, including tank containers will have all of the markings below
EXCEPT: - CORRECT ANSWER A three-letter abbreviation for the owner,
followed by an "X" and numbers
As you survey an incident, you DO NOT need to consider: - CORRECT ANSWER
Drainage capacity
CHEMTREC has access to all of the following resources EXCEPT the: - CORRECT
ANSWER Chemical Mixers Association
Information about the role of local, state, and Federal authorities during hazardous
materials emergencies can be found: - CORRECT ANSWER In the local
emergency response plan
You are at a HazMat incident that you suspect involves criminal or terrorist activity.
There are munitions involved and you need an Explosives Ordinance Disposal team to
respond to the scene. The agency that can help you with this is the: - CORRECT
ANSWER U.S. Army Operations Center
A material's flash point is the primary characteristic used to determine its relative degree
of: - CORRECT ANSWER Flammability
,When radioactive contamination occurs and the person is removed from the
endangered area: - CORRECT ANSWER The contaminated material ingested or
inhaled continues to emit radiation
A chemical inside a container has come into contact with an incompatible substance
and is now degrading its own container. When Responder Watson describes the
situation to CHEMTREC, Watson refers to: - CORRECT ANSWER Chemical
Stress
The type of release that is associated with runaway cracking is: - CORRECT
ANSWER Violent rupture
A material that is not necessarily toxic but can cause unconsciousness and death by
displacing or depriving oxygen is known as a(n): - CORRECT ANSWER
Asphyxiant
Exposure to a high dose of radiation for a short time is considered: - CORRECT
ANSWER Acute
If the intensity of the incident increases and could pose an unreasonable threat to the
responders at the scene, the responders should: - CORRECT ANSWER Pull back
from the rescue effort
To find out the distances for evacuation at a HazMat incident, use the Emergency
Response Guidebook to determine the size of the endangered area. Another way to find
out would be to: - CORRECT ANSWER Contact CHEMTREC
A patient that is seriously injured but has a chance of survival if immediate medical care
is provided should be tagged priority: - CORRECT ANSWER Red
Identify THREE latent effects that may result from radiation exposure. - CORRECT
ANSWER 1. Cancer
2. Shortened Life Span
3. Genetic Defects
A chemical is highly toxic if it has a median lethal concentration (LC50): - CORRECT
ANSWER In air of 200 parts per million by volume or less of gas or vapor
Breaks in the CPC suit fabric created by contact with chemicals or physical abrasion are
an example of: - CORRECT ANSWER Degradation
,Identify THREE factors that can affect the selection and use of an APR at a HazMat
incident. - CORRECT ANSWER 1. Concentration of Oxygen in Atmosphere
2. Concentration of Haz materials in Atmosphere
3. Purification systems have passed their exp date
Identify the FOUR items to include when conducting a safety briefing at an incident that
involves criminal or terrorist activity. - CORRECT ANSWER 1. Cross
contamination
2. Booby traps
3. Armed resistance
4. Use of weapons
At a HazMat incident, the maximum number of command posts should be: -
CORRECT ANSWER One
Operations level responder Grabbe is at a HazMat incident near Lake Eerie. Grabbe is
ready to monitor the size of the perimeter of the hazard-control zones.
Identify the TWO items he should take into account when making these decisions. -
CORRECT ANSWER 1. Weather conditions, wind
2. Results of monitoring and sampling
Responders Costas and Lopez are performing emergency decontamination at a
HazMat incident. After removing the victim from the contaminated area they should: -
CORRECT ANSWER Immediately wash any exposed body parts with flooding
quantities of water
The purpose of the Operations level goal, "implement the planned response," is to: -
CORRECT ANSWER Favorably change outcomes while making sure they are
consistent with local emergency response plans and the organization's standard
operating procedures
A common hazard with dry bulk cargo tanks is: - CORRECT ANSWER Static
Charges
MC-306/DOT-406 - CORRECT ANSWER Alcohol
MC-312/DOT-412 - CORRECT ANSWER Corrosive Liquids
MC-331 - CORRECT ANSWER LP Gasses
MC-338 - CORRECT ANSWER Liquid Nitrogen
, At an incident at a fixed facility, you notice a product name and an identification number
stenciled on the container. The ID number should relate to the: - CORRECT
ANSWER Site Plan
Using the U.N. hazard class system, materials other than gas that are either known to
be so toxic to humans as to afford a hazard to health during transport, OR in the
absence of adequate data on human toxicity are presumed to be toxic to humans,
would fall under: - CORRECT ANSWER 6.1
At a site, your binoculars aren't strong enough to read the numbers on the placard, but
you do see a yellow and white placard with a trefoil icon. These materials are probably
from: - CORRECT ANSWER Class 7
Once you have contacted CHEMTREC: - CORRECT ANSWER CHEMTREC will
have the shipper or manufacturer call you
Contamination occurs when: - CORRECT ANSWER Exposures exceed intended
limits and radioactive material is transferred to people, animals, or the environment
All the following statements are true about nonionizing radiation EXCEPT: - CORRECT
ANSWER C. It cannot cause tissue damage
Identify FOUR examples of ionizing radiation. - CORRECT ANSWER 1. X-Rays
2. Gama Rays
3. Alpha Particles
4. Beta Particles
The factors that influence harm include all of the following EXCEPT: - CORRECT
ANSWER Time of Day
Identify the TWO signs and symptoms of exposure to a substance whose agents have
decreased hemoglobin in the blood function. - CORRECT ANSWER 1. Cyanosis
2. Loss of Consciousness
A sensitizer is a material that: - CORRECT ANSWER Causes most people to have
a reaction after repeated exposure to the material
Produces Kidney Damage - CORRECT ANSWER Nephrotoxin
Produces Liver Damage - CORRECT ANSWER Hepatotoxin
Toxic effect on nervous system - CORRECT ANSWER Neurotoxin
AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A
Identify the THREE items that an Operations level responder must protect when
responding to a release or potential release of a hazardous material. - CORRECT
ANSWER 1. Nearby people
2. Environment
3. Reports about the incident
Industrial packages are designed to transport radioactive materials with: - CORRECT
ANSWER Low concentrations, that are considered to be a limited threat to the
public, and packaged in glass or concrete.
You're driving alongside the railroad tracks and see a tank car with a white body and
two red vertical bands. A label on the tank reads "HIGHLY TOXIC." You have just seen
a: - CORRECT ANSWER Pressure railway tank car
Strong, tight packages are designed to transport radioactive materials with: -
CORRECT ANSWER Low radioactivity such as natural uranium and rubble from
nuclear reactors and packaged in steel, wood, or fiberboard
Intermodal equipment, including tank containers will have all of the markings below
EXCEPT: - CORRECT ANSWER A three-letter abbreviation for the owner,
followed by an "X" and numbers
As you survey an incident, you DO NOT need to consider: - CORRECT ANSWER
Drainage capacity
CHEMTREC has access to all of the following resources EXCEPT the: - CORRECT
ANSWER Chemical Mixers Association
Information about the role of local, state, and Federal authorities during hazardous
materials emergencies can be found: - CORRECT ANSWER In the local
emergency response plan
You are at a HazMat incident that you suspect involves criminal or terrorist activity.
There are munitions involved and you need an Explosives Ordinance Disposal team to
respond to the scene. The agency that can help you with this is the: - CORRECT
ANSWER U.S. Army Operations Center
A material's flash point is the primary characteristic used to determine its relative degree
of: - CORRECT ANSWER Flammability
,When radioactive contamination occurs and the person is removed from the
endangered area: - CORRECT ANSWER The contaminated material ingested or
inhaled continues to emit radiation
A chemical inside a container has come into contact with an incompatible substance
and is now degrading its own container. When Responder Watson describes the
situation to CHEMTREC, Watson refers to: - CORRECT ANSWER Chemical
Stress
The type of release that is associated with runaway cracking is: - CORRECT
ANSWER Violent rupture
A material that is not necessarily toxic but can cause unconsciousness and death by
displacing or depriving oxygen is known as a(n): - CORRECT ANSWER
Asphyxiant
Exposure to a high dose of radiation for a short time is considered: - CORRECT
ANSWER Acute
If the intensity of the incident increases and could pose an unreasonable threat to the
responders at the scene, the responders should: - CORRECT ANSWER Pull back
from the rescue effort
To find out the distances for evacuation at a HazMat incident, use the Emergency
Response Guidebook to determine the size of the endangered area. Another way to find
out would be to: - CORRECT ANSWER Contact CHEMTREC
A patient that is seriously injured but has a chance of survival if immediate medical care
is provided should be tagged priority: - CORRECT ANSWER Red
Identify THREE latent effects that may result from radiation exposure. - CORRECT
ANSWER 1. Cancer
2. Shortened Life Span
3. Genetic Defects
A chemical is highly toxic if it has a median lethal concentration (LC50): - CORRECT
ANSWER In air of 200 parts per million by volume or less of gas or vapor
Breaks in the CPC suit fabric created by contact with chemicals or physical abrasion are
an example of: - CORRECT ANSWER Degradation
,Identify THREE factors that can affect the selection and use of an APR at a HazMat
incident. - CORRECT ANSWER 1. Concentration of Oxygen in Atmosphere
2. Concentration of Haz materials in Atmosphere
3. Purification systems have passed their exp date
Identify the FOUR items to include when conducting a safety briefing at an incident that
involves criminal or terrorist activity. - CORRECT ANSWER 1. Cross
contamination
2. Booby traps
3. Armed resistance
4. Use of weapons
At a HazMat incident, the maximum number of command posts should be: -
CORRECT ANSWER One
Operations level responder Grabbe is at a HazMat incident near Lake Eerie. Grabbe is
ready to monitor the size of the perimeter of the hazard-control zones.
Identify the TWO items he should take into account when making these decisions. -
CORRECT ANSWER 1. Weather conditions, wind
2. Results of monitoring and sampling
Responders Costas and Lopez are performing emergency decontamination at a
HazMat incident. After removing the victim from the contaminated area they should: -
CORRECT ANSWER Immediately wash any exposed body parts with flooding
quantities of water
The purpose of the Operations level goal, "implement the planned response," is to: -
CORRECT ANSWER Favorably change outcomes while making sure they are
consistent with local emergency response plans and the organization's standard
operating procedures
A common hazard with dry bulk cargo tanks is: - CORRECT ANSWER Static
Charges
MC-306/DOT-406 - CORRECT ANSWER Alcohol
MC-312/DOT-412 - CORRECT ANSWER Corrosive Liquids
MC-331 - CORRECT ANSWER LP Gasses
MC-338 - CORRECT ANSWER Liquid Nitrogen
, At an incident at a fixed facility, you notice a product name and an identification number
stenciled on the container. The ID number should relate to the: - CORRECT
ANSWER Site Plan
Using the U.N. hazard class system, materials other than gas that are either known to
be so toxic to humans as to afford a hazard to health during transport, OR in the
absence of adequate data on human toxicity are presumed to be toxic to humans,
would fall under: - CORRECT ANSWER 6.1
At a site, your binoculars aren't strong enough to read the numbers on the placard, but
you do see a yellow and white placard with a trefoil icon. These materials are probably
from: - CORRECT ANSWER Class 7
Once you have contacted CHEMTREC: - CORRECT ANSWER CHEMTREC will
have the shipper or manufacturer call you
Contamination occurs when: - CORRECT ANSWER Exposures exceed intended
limits and radioactive material is transferred to people, animals, or the environment
All the following statements are true about nonionizing radiation EXCEPT: - CORRECT
ANSWER C. It cannot cause tissue damage
Identify FOUR examples of ionizing radiation. - CORRECT ANSWER 1. X-Rays
2. Gama Rays
3. Alpha Particles
4. Beta Particles
The factors that influence harm include all of the following EXCEPT: - CORRECT
ANSWER Time of Day
Identify the TWO signs and symptoms of exposure to a substance whose agents have
decreased hemoglobin in the blood function. - CORRECT ANSWER 1. Cyanosis
2. Loss of Consciousness
A sensitizer is a material that: - CORRECT ANSWER Causes most people to have
a reaction after repeated exposure to the material
Produces Kidney Damage - CORRECT ANSWER Nephrotoxin
Produces Liver Damage - CORRECT ANSWER Hepatotoxin
Toxic effect on nervous system - CORRECT ANSWER Neurotoxin
