IFSTA Hazmat ch 10 test a
What is a limiting factor of using self-contained breathing apparatus (SCBA) at a hazardous materials incident? A) SCBA cannot be worn in an IDLH atmosphere B) SCBA has a finite air-supply, limiting work duration C) SCBA cannot function properly in environments with chemical vapors D) SCBA only protects from hazardous materials at low temperatures
SCBA has a finite air-supply, limiting work duration
Permeating occurs when: A) the material is altered by chemical substances B) a chemical passes through a fabric on a molecular level C) the user doffs the protective clothing D) a sharp object punctures the material
a chemical passes through a fabric on a molecular level
A visual inspection of PPE, confirmation of pressure test completion dates, and an operational check of all equipment are parts of: A) conducting the preincident survey B) a pre-entry check C) establishing control zones D) a thorough decontamination routine
a pre-entry check
What type of respiratory protection is usually worn with a NFPA Class 3 PPE ensemble? A) self-contained breathing apparatus (SCBA) B) supplied-air respirator (SAR) C) supplied-air hood (SAH) D) air-purifying respirator (APR)
air-purifying respirator (APR)
Which statement is accurate regarding decontamination of PPE? A) once PPE has been decontaminated, the wearer should immediately follow disposal procedures B) all potentially contaminated PPE must be decontaminated immediately upon leaving the hazardous area C) PPE only needs to go through contamination if the wearer came in contact with an infectious agent D) decontamination of PPE is only required if there is a tear or puncture found upon inspection
all potentially contaminated PPE must be decontaminated immediately upon leaving the hazardous area
Air-purifying respirator (APRs) contain filters or cartridges that remove specific contaminants as _________ air passes through the air-purifying element. A) compressed B) oxygenated C) ambient D) supplied
ambient
When would you choose a vapor protective, encapsulating suit worn with positive-pressure SCBA? A) an incident where you encounter oxygen-enriched atmospheres B) an incident involving extremely high temperatures or flashover conditions C) an incident involving extremely hazardous, corrosive, and/or toxic vapors or gases D) an incident with exposure to radiological particulates
an incident involving extremely hazardous, corrosive, and/or toxic vapors or gases
The schedule for inspecting, testing, and maintaining PPE is ultimately determined by the: A) authority having jurisdiction (AHJ) B) national fire protection association (FNPA) C) chemical protective clothing (CPC) standards D) environmental protection agency (EPA) guidelines
authority having jurisdiction (AHJ)
Ballistic protective clothing is designed to protect the wearer from: A) bullets, handheld weapons, and shrapnel from explosives B) respiratory emergencies in hazardous situations C) high temperatures during flashover or backdraft D) highly toxic or caustic chemicals
bullets, handheld weapons, and shrapnel from explosives
Which National Fire Protection Association (NFPA) class of protection should be worn by responders when the highest level of respiratory protection is needed, but there is less need for skin protection? A) class 1 B) class 4 C) class 3 D) class 2
class 2
Rehabbing in a warm area and quickly removing wet clothing helps to prevent: A) heat stress B) psychological issues C) work intolerance D) cold related injuries
cold related injuries
What is an advantage of using a supplied-air respirator (SAR) compared to using self-contained breathing apparatus (SCBA) in a hazardous environment? A) an air supply hose provides less risk of entanglement than SCBA cylinders B) using SARs requires the user to carry more weight than when using SCBA cylinders C) SARs are more resistant to long periods of extreme height D) continuous air supply through an air hose enables longer work periods
continuous air supply through an air hose enables longer work periods
Responders don low-temperature protective clothing to prevent contact with what type of materials? A) biological B) flammable liquids C) combustible solids D) cryogenic
cryogenic
What is a common limitation for any type of respiratory protection system? A) decreased mental awareness B) enhanced visibility in facepieces C) enhanced ability to hear D) decreased ability to communicate
decreased ability to communicate
When wearing PPE, as work duration increases, heat tolerance: A) decreases B) fluctuates based on location C) increases D) does not change over time
decreases
Even when assistants are available to help with doffing: A) inner gloves should be removed as soon as possible B) entry personnel remove their own respirator facepieces C) damaged PPE should remain on until repairs are made D) the process should only be performed by the entry personnel
entry personnel remove their own respirator facepieces
What type of protective clothing allows a responder to work in total-flame environments for short periods of time? A) inherently flame-resistant gear B) structural fire fighting gear C) fire-entry suit D) proximity suit
fire-entry suit
Advantages of combined respirators include: A) flexibility and extended work duration times B) resistance and durability in high temperature atmospheres C) safety in all atmospheres D) no requirements for specific training to use
flexibility and extended work duration times
Most chemical protective clothing (CPC) inhibits the transfer of heat from the body which can lead to: A) psychological issues while wearing PPE B) cold emergencies in cold environments C) increased breathing while wearing self-contained breathing apparatus (SCBA) D) heat disorders in hot environments
heat disorders in hot environments
Which heat-related disorder is the most serious to a responder's health? A) heat exhaustion B) heat stroke C) heat cramps D) heat rashes
heat stroke
Why should supplied- air respirators (SARs) NOT be used in fire fighting operations? A) heat, fire, or debris can damage the SAR airline B) high humidity reduces the service life of the filter C) the increased oxygen can alter consciousness D) the half-face respirator reacts with carbon dioxide
heat, fire, or debris can damage the SAR airline
What is a limitation of vapor- protective suits? A) impairs mobility, vision, and communication B) can only be used in potentially flammable atmospheres C) allows body heat to escape, putting wearer at risk D) they are not fully encapsulating
impairs mobility, vision, and communication
Who determines the PPE needed to enter the hot zone? A) decontamination supervisor B) rehab zone personnel C) incident commander D) first arriving responder
incident commander
Why is respiratory protection a vital part of any PPE ensemble? A) the noise of the respirator protects the wearer from hearing loss B) inhalation is the most significant route of entry for hazardous materials C) it will increase the duration that PPE resists chemical degradation D) it provides extra oxygen for proper brain and muscle function during strenuous activity
inhalation is the most significant route of entry for hazardous materials
What is the last item that should be removed while doffing PPE? A) entry suit B) footwear C) respirator facepiece D) inner gloves
inner gloves
Which statement regarding structural fire fighting clothing is accurate? A) when paired with self-contained breathing apparatus (SCBA), it is preferred for protection against projectile damage in an explosive attack B) it is neither corrosive-resistant non vapor-tight due to gaps that occur at the neck, wrists, waist, and where the pants and boots overlap C) it is impermeable to gases and liquid chemicals, protecting responders in most hazardous materials incidents D) the multiple layers of the coat and pants provide extended exposure protection from highly toxic or corrosive chemicals
it is neither corrosive-resistant non vapor-tight due to gaps that occur at the neck, wrists, waist, and where the pants and boots overlap
How will a responder entering the hot zone know escape routes or areas of refuge? A) the rapid intervention crew will determine routes of egress while they are inside the structure B) each responder will find escape routes when they perform a 360- degree size up C) it will be discussed by the safety officer during the safety briefing D) it is not necessary for a responder to know the escape routes prior to entering the hot zone
it will be discussed by the safety officer during the safety briefing
Flame-resistant (FR) clothing is typically used for: A) minimal risk exposure to flash fires or electrical arc discharge B) work with long-term exposure to flames C) skin protection when working with liquid chemicals D) incidents where decon cannot be carried out
minimal risk exposure to flash fires or electrical arc discharge
How does wearing PPE increase the risk of heat-related illness? A) most PPE inhibits a body's ability to disperse heat and moisture B) PPE can increase the heat potential of certain hazardous materials C) some PPE contains a heat pump to disperse oxygen to the wearer D) many types of PPE increase mobility, causing the responder to over-exert
most PPE inhibits a body's ability to disperse heat and moisture
Why should air-purifying respirator (APR) filter is likely to be used for incidents with toxic dust, asbestos, and some biological hazards present? A) supplied air B) particulate- removing C) vapor-and-gas- removing D) ambient air
particulate-removing
What is the physical process that occurs when a hazardous material enters an opening or puncture in a protective material? A) penetration B) seeping C) permeation D) degradation
penetration
Upon receiving the order to enter, what should be done at the entry access point? A) place the backup team on air when the entry team enters the hot zone B) enter the hot zone and remain off air until hazardous materials are encountered C) perform a final check of all equipment and PPE seals/closures D) don necessary PPE and gather equipment for the mission
perform a final check of all equipment and PPE seals/closures
Operations level responders with mission-specific PPE training should be able to: A) rapair vapor-protective encapsulating suit per manufacturer instructions B) prepare PPE on the scene C) perform a 360-degree size-up at the incident scene D) go through the process of ordering PPE
prepare PPE on the scene
An effective hearing conservation program can: A) eliminate all possibility of hearing damage B) compensate for previous hearing loss C) prevent hearing loss and reduce noise-related disease D) restore lost hearing as a result of any inner ear damage
prevent hearing loss and reduce noise-related disease
Contaminated garments or those beyond their service life should be: A) properly documented then removed from service B) decontaminated and stored for future use C) used until they show obvious signs of wear D) repaired and used until new garments can be purchased
properly documented then removed from service
Which statement about liquid-splash protective clothing is accurate? A) offers protection from chemical vapors and high heat temperatures B) protects users from chemical liquid splashes, but not against chemical vapors or gases C) offers protection from chemical vapors, but not against high heat temperatures D) protects users from chemical liquid splashes, chemical vapors, and gases
protects users from chemical liquid splashes, but not against chemical vapors or gases
What should a responder do if routinely scheduled maintenance reveals PPE that is damaged? A) report through AHJ formal notification process B) file paperwork for a manufacturer's refund C) attempt to repair the item D) discard the item
report through AHJ formal notification process
Which statement about medical monitoring is accurate? A) responders who come in contact with any hazardous material must immediately be removed from the hot zone and placed on administrative leave B) responders who work around hazardous chemicals are required to undergo yearly baseline exams but do not need further medical monitoring C) responders who are required to wear respiratory protection and certain levels of PPE as part of their job must have baseline medical exams and on-site monitoring D) responders only need to seek medical monitoring if they become physically injured or feel sick after working at a hazardous materials incident
responders who are required to wear respiratory protection and certain levels of PPE as part of their job must have baseline medical exams and on-site monitoring
What must happen before responders enter the hot zone? A) rescue B) evidence collection C) safety briefing D) decontamination
safety briefing
What must be worn with vapor protective clothing? A) self-contained breathing apparatus (SCBA) B) half face shield C) nonencapsulating coveralls D) fire-resistance boots and gloves
self-contained breathing apparatus (SCBA)
High- temperature protective clothing is designed to protect the wearer from: A) long-term exposure to high temperature heat levels B) short-term exposure to high temperature heat levels C) long-term exposure to extreme chemical hazards in structural fire fighting D) short-term exposure to extreme chemical hazards in structural fire fighting
short-term exposure to high temperature heat levels
Which type of respiratory protection requires no fit testing and can be worn by people with glasses, beards, and facial deformities? A) combined respirator B) self-contained breathing apparatus (SCBA) C) air-purifying respirator (APR) D) supplied-air hood
supplied- air hood
The rate at which a compound permeated chemical protective clothing (CPC) depends on: A) the concentration of the chemical on the surface of the CPC B) how long it has been since the PPE has been serviced C) the duration of PPE wear D) the PPE's accession date
the concentration of the chemical on the surface of the CPC
Wearing chemical protective clothing (CPC) may cause some responders psychological issues due to: A) the confining experience of working in restrictive suits B) fear of wearing untested technology C) brightly colored CPC, potentially making them a target D) decreased oxygen levels that impair mental judgement
the confining experience of working in restrictive suits
When selecting PPE, why is it important to consider the duration of exposure? A) the protective qualities of the PPE may be limited by the material's chemical resistance B) the integrity of the PPE will hold up as long as the responder has adequate air supply C) doffing procedures are dependent on exposure time D) the protective qualities of the PPE will increase over time
the protective qualities of the PPE may be limited by the material's chemical resistance
Selection of appropriate chemical protective clothing (CPC) depends on: A) the specific chemicals and specific tasks the wearer will perform B) the experience level of the responder and hazmat crew C) the average cost per suit and duration of exposure D) the specific size and shape of the wearer
the specific chemicals and specific tasks the wearer will perform
Why is it important to know manufacturer's recommended service life for PPE? A) the wearer may not be adequately protected if past the service life B) it determines how many people can wear PPE before it loses the proper fit C) so work shift time limits can be established at the incident D) responders must know the proper procedures for replacing used PPE
the wearer may not be adequately protected if past the service life
How do liquids such as alcohol, coffee, and caffeinated drinks affect responders prior to working? A) they contribute to dehydration and heat stress B) they cheer up responders, making work more fun C) they provide the same level of hydration as drinking water D) they increase the ability to focus on tasks
they contribute to dehydration and heat stress
What is one of the basic objectives of chemical protective clothing programs (CPCs)? A) to meet centers of disease control and prevention (CDC) compliance B) to reduce the need for decontamination procedures C) to protect occupancies from inadvertent exposures D) to protect the user from safety and health hazards
to protect the user from safety and health hazards
Before entering the exclusion zone, the total estimated time a responder should be on air must include the time needed for: A) donning PPE B) completing required documentation C) undergoing decon D) rescuing downed responders
undergoing decon
If radio communication fall while a responder is wearing PPE, the responder should: A) use personnel communication devices B) stop their tasks and repair their radio C) use designated nonverbal signals D) declare MAYDAY!
use designated nonverbal signals
Which type of clothing provides the greatest degree of protection against respiratory, eye, or skin damage? A) fire-entry B) structural firefighter C) liquid-splash D) vapor- protective
vapor-protective
What is a limitation of nonencapsulating suits? A) body heat can easily escape and contribute to heat stress B) decontamination is a significantly long process C) wearer is not protected from gases and vapors D) self-contained breathing apparatus (SCBA) must be worn on the inside of the suit
wearer is not protected from gases and vapors
Repeat exposure to sounds greater than _________ decibels can cause structural damage to the inner ear resulting in hearing loss or tinnitus. A) 40 B) 20 C) 85 D) 65
85
