Chapter 4 practice test/2
What would be the primary hazard to a responder while rescuing victims in a building where a non-flammable hazard class 2 product is leaking
inhalation
the general routes of entry for human exposure to hazardous materials are inhalation,ingestion,radiation,and injection injection,infection,radiation,and adsorption inhalation,ingestion,absorption,and injection
inhalation,ingestion,absorption, and injection
The measurement commonly used by the OSHA in evaluating workplace exposure during an 8-hour period is PEL LC50 TLV-C STEL
PEL
the measurement commonly used by the OSHA in evaluation workplace exposure during an 8-hour period is
PEL
the statement ''people in a building should remain inside until the danger passes'' best describes: protective actions evacuation initial isolation area shelter in place
Shelter in place
Which resources is able to predict vapor cloud travel after responders input, local data and leak info? ERG MSDS ALOHA DOT computer enhancement for Hazmat
area locations of hazardous atmospheres (ALOHA)
On vehicles, the two most common locations for remote shutoffs are at the valve controls and behind the driver's door rear of the cargo tank or behind the driver's doors
at the valve controls and behind the driver's door
responsibility of the individual trained to the awareness level? establish decon corridor use of specialized tools call for appropriate assistance diking and damming
call for appropriate assistance
asphyxiation hazard: poisons and corrosives exposure to microorganism or its toxin can lead to suffocation includes excessive heat/excessive cold
can lead to suffocation
DOT defines a small spill as a leaking container, smaller than: 3-5 gallons 55 gallons 100 gallons 1001 gallons
55 gallons
When using the Table of Isolation Distances in the ERG, a large spill is defined as a a quantity greater than 35 g 35 l 70 l 70 g or greater
55 gallons
Shapes of the recommended initial isolation and protective action zones? A circle for the initial isolation zone with an elongation of it downwind side for the protective action zone. A circle for the initial isolation zone with an elongation of it outward toward the upwind side for the protective action zone a rectangle for the initial isolation zone elongating toward the downwind side a square for the initial isolation zone, expanding in all four directions as needs dictate for the protective action zone
A circle for the initial isolation zone with an elongation of it downwind side for the protective action zone
Which are the prescribed shapes of the recommended initial isolation and protective action zones?
A circle for the initial isolation zone with an elongation of it downwind side for the protective action zone
____ is the process of taking in materials through the skin or eyes
Absorption
If available, which resource is able to predict vapor cloud travel after responders input, local data and leak information
Area Locations Of Hazardous Atmospheres (ALOHA)
Which resource would be able to determine, or predict , the concentrations of a released hazardous material within an endangered area when provided with local data and leak information
Area location of hazardous atmospheres
the recommended shape of the initial isolations zone around a chemical spill or release is circular square triangular rectangular
Circular
_____ is comprised of those procedures taken to keep a material in a defined or local area containment diversion confinement dispersion
Confinement
One resource that deals with protective action distances involving poisonous gas, is the : DOT ERG MSDS NFPA Data base Fire chief handbook
DOT ERG book
Which statement is correct concerning the proper procedure for dilution of a spill? flush the material into a waterway fuels,oils, and other hydrocarbons are readily diluted with water dilution may be effective when combined with other containment tactics a foam blanket should be applied and repeated frequently
Dilution may be effective when combined with other containment tactics
if, in using the erg, a first responder discovers the entry for the material in question is highlighted and there is no fire involved, the first responder should go directly to the:
Green-bordered section
what is the minimum level of training is required to don chemical protective clothing? firefighting I hazmat tech hazmat awareness hazmat ops
Hazmat ops
if a hazardous material incident involves a leaking flammable substance, the first responders should immediately remove all: ignition sources upwind ignition sources large combustible tanks fire equipment and personnel
Ignition sources
Upon arrival to a hazmat incident involving a truck, you learn it is carrying magnesium scrap. You are unable to obtain the 4-digit number. Where should you look FIRST in the ERG for guidance?
In the blue-bordered material index section
the route of exposure effecting the respiratory tracts associated with causing ill effects, both acute and chronic is absorption ingestion inhalation injection
Inhalation
The first step or MOST IMPORTANT thing to accomplish upon arrival at a haz mat or suspected haz mat incident is:
Isolation of the area and prevention of entry
Which is correct regarding emergency decontamination?
It is required when immediate medical attention is required
The amount of an INGESTED or INJECTED substance that will result in the death of 50 percent of the test population is
LD50
The amount of an ingested or injected substance that results in the death of 50 percent of the test population is LC50 LD50 DC50 IS50
LD50
One of the guidelines for protecting against possible secondary devices is
Manage the scene with cordons, boundaries, and scene control zones
Which resources are available for determining the concentration of a released hazardous material in an endangered area
Monitoring equipment should be utilized, keeping in mind that hazmat technicians are needed to operate this equipment
Evacuate means
Moving everyone from a threatened area to a safer area
evacuate means: allowing only first responders in. having people remain inside building. moving everyone from a threatened area to a safer area. keeping everyone not directly involved in the emergency operation away.
Moving everyone from a threatened area to a safer area.
You would expect the find the emergency action for a spill or leak in the ____ section of ERG blue yellow green orange
Orange
You would expect to find the emergency action for a spill or leak in the _____ section of the ERG
Orange
One type of hazardous material that may be shock sensitive is
Organic peroxide
One type of hazardous material that may be shock sensitive is:
Organic peroxide
To make rescues of live victims during a hazardous materials incident involving chemicals, first responders should use: proximity personal protective equipment level I ensemble structural fire fighting personal protective equipment high-efficiency particulate air (HEPA) mask and gown
Structural PPE
The concentration that should never be exceeded is called
TLV-C
Removal of contaminated victims that are in need of medical treatment from the hazard area requires: that personnel must wait until the full decon corridor is in place and operational the emergency decontamination process that victims shall remain in the hot zones indefinitely decontamination of these victims is not required
The emergency decontamination process
______ is the process of controlling fumes or vapors that are given off by flammable liquids eliminating ignition sources vapor dispersion vapor suppression positive pressure ventilation
Vapor suppression
a first responder would expect to find the highlighted entries indicating that a material is either a toxic inhalation hazard or a dangerous water reactive material in the:
Yellow and Blue-bordered sections In the ERG
4-digit ID number on an orange panel. You should look first in the ERG for guidance in the
Yellow bordered section
In level I incidents, the response team should be able to deal with liquefied propane gas leaking from full 1000-pound tanks ruptures of high pressure gas lines spills requiring evacuation a small gasoline spill from a motor vehicle accident
a small gasoline spill from a motor vehicle accident
The taking of hazardous materials into the body through the undamaged skin and the eyes is called
absorption
diversion, diking, and retention are all techniques used in
confinement
Actions taken to confine a product release to a limited area, performed remotely, are considered to be offensive strategies poor strategies defensive strategies unacceptable actions
defensive strategies
defensive control techniques that operations level personnel are permitted to engage in are monitoring and capping dike, dam, diversion, and retention overpacking and diluting clamping and neutralizing
dike,dam,diversion,and retention
An advantage of confinement operations is that confinement ops are solely the responsibility of specially trained teams special equipment is utilized to ensure safety direct exposure of personnel is avoided containment is already achieved, increasing manpower
direct exposure of personnel is avoided
a process by which a hazardous liquid flow is redirected away from an area is called absorption dispersion diversion retention
diversion
True or false: Vapor dispersion is always a good idea when flammable substances are the problem
false
True or false: Vapor dispersion is only effective with materials that are water soluble
false
Entry for the material is highlighted and there is no fire involved, the responder should go directly to the: yellow-borded section blue-borded section green-borded section table of placards
green-border section
shelter in place means
having people remain inside a building rather than moving them to another area
shelter in place means keeping everyone not directly involved allowing only first responders moving everyone from affected area having people remain inside a building
having people remain inside a building rather than moving them to another area
If a hazardous material incident involves a leaking flammable substance, the first responders should immediately remove all
ignition sources
What would be the PRIMARY hazard to a responder while rescuing victims in a building where a non-flammable hazard class 2 product is leaking? ingestion inhalation desorption injection
inhalation
one of the roles of the first responder at the awareness level during a hazmat incident is to: plug the leak isolate the area operate a remote shut off dike around a spill
isolate the area
which is correct regarding emergency decontamination? it must take place in the decon corridor there must be environmental protection property must be protected first it is required when immediate medical attention is required
it is required when immediate medical attention is required
Isolate hazard area and deny entry means
keep everyone not directly involved in the emergency operation away from the affected area
The term: isolate hazard area and deny entry means: moving everyone from a threatened area to a safer area. keeping everyone not directly involved in the emergency ops away from the affected area. allowing only first responders into affected area having people remain inside a building rather than moving them to another area
keeping everyone not directly involved in the emergency ops way from the affected area
collection of evidence at a terrorist event is the responsibility of hazmat team fire dept. law enforcement arson investigator
law enforcement
the active ingredients on a pesticide label will be listed by name listed but not specifically named listed by chemical compound only listed as a percentage only
listed by name
What resources are available for determining the concentrations of a released hazardous material IN AN ENDANGERED AREA? concentrations can be estimated using ERG. monitoring equipment should be utilized, keeping in mind that Hazmat techs are needed to operate this equipment it is impossible to determine concentrations concentrations can be estimated by the odor of the leaking product
monitoring equipment should be utilized, keeping in mind that Hazmat techs are needed to operate this equipment
The recommended course of action for fighting a small fire involving a substance identified by the UN/NA ID number 2553 would be found in the _________ section of the ERG blue orange white green
orange
next step the first responder should follow after learning a material's 3-digit guide number is to go to the: blue bordered section yellow bordered section orange bordered section
orange bordered section
One type of hazardous material that may be shock sensitive is: chlorine sulfuric acid organic peroxide hydrogen peroxide
organic peroxide
potential ignition source: radios and flashlights cylume sticks contaminated water inert gas
radios and flashlights
the purpose of vapor suppression is to: stop the further release of a material from its container direct or influence the course of airborne hazardous materials control the flow of a hazmat spill reduce the emission of vapors
reduce the emission of vapors
the goal of an emergency decon procedure is to completely remove all possible contamination while protecting the environment from run-off remove any residual contamination after gross decon is complete eliminate cross contamination of hospital personnel remove any threatening contamination as quickly as possible
remove any contamination as quickly as possible
The goal of an emergency decon procedure is to
remove any threatening contamination as quickly as possible
One of the symptoms of poisonous gases such as chlorine and anhydrous ammonia is sever irritation to the ____ system
respiratory
people inside a building should remain inside until the danger passes best describes
shelter in place
When determining the type of dam to use to control a spill, responders need to consider the: specific gravity of the material vapor density of the fluid vapor suppression of the liquid retention capabilities
specific gravity of the material
The isolation distance in the Orange section of the ERG is for evacuation fire control spill/leak control hot zone
spill/leak control
The isolation distance in the orange section of the erg is for
spill/leak control
To make rescues of live victims during a hazardous materials incident involving chemicals, first responders should use
structural fire fighting personal protective equipment
the person assigned as the safety officer must be: trained to awareness level trained to operations level trained to technician level the second highest ranking person on the scene
technician level
remote shutoff in fixed facilities are typically located near? the entrance the back door
the entrance
Refer to the table of initial isolation and protective action distances in the ERG whenever: material entry guide number is supplemented with the letter "p" the material entry is noted to be on fire the material entry in the ID number and name indexes is highlighted identification of a material cannot be made using any of the index methods
the material entry in the ID number and name indexes is highlighted
A first responder must refer to the table of initial isolation and protective action distances in the emergency response guidebook whenever
the material entry in the identification number and name is highlighted
When providing emergency medical care to victims of a hazardous materials incident:
the patient should be removed from the contaminated area at which time basic care and decontamination can begin
True or false: Vapor dispersion involves using water spray or fans to intentionally move vapors away from certain areas
true
when operating at a hazardous materials scene, what is required when operating in a hot zone
utilization of the buddy system
you find highlighted entries indicating that a material is either a toxic inhalation or a dangerous water reactive material in the: orange bordered section only green and orange section table of placards section yellow and blue-bordered sections
yellow and blue bordered sections
4-digit ID number on an orange panel. You should look first in the ERG for guidance in the green blue yellow orange
yellow bored section
