Chapter 10 Flashcards
(67 cards)
What is a basic skill of fire fighting that is also an essential survival technique during search and rescue operations? (434) [4.3.5, 4.3.9]
A. Apparatus used to block traffic
B. Salvage covers used as carryalls
C. Forcible entry used as a means of escape
D. Hose carries used as physical fitness training
C. Forcible entry used as a means of escape
To prepare yourself for survival during rapid fire development or structural collapse, knowing your personal physical limitations will help you: (434) [4.3.9]
A. Recognize warnings of hazardous conditions.
B. Determine the optimal tools to take with you.
C. Monitor your stress level and air consumption.
D. Communicate with your crew and the Incident Commander.
C. Monitor your stress level and air consumption.
Disorientation, fear, and claustrophobia are: (434-435) [4.3.9]
A. Signs of acrophobia, the fear of heights.
B. Psychological effects of obscured vision conditions.
C. Long-term symptoms of psychological stress felt by first responders.
D. Common responses to the physically demanding work of fire fighting.
B. Psychological effects of obscured vision conditions.
What should you do to overcome psychological effects of obscured vision conditions? (435) [4.3.9]
A. Take a series of deep, fast breaths.
B. Stay in contact with your partner(s).
C. Avoid relying on other senses such as hearing and touch.
D. Focus on the larger picture rather than your assigned task.
B. Stay in contact with your partner(s).
What would generally be considered a MAYDAY situation? (435) [4.2.4, 4.3.5]
A. Firefighter loses contact with hoseline or search line.
B. The seat of the fire is much larger than initially reported.
C. A low-pressure alarm activates as you are about to exit the structure.
D. A firefighter’s PASS device alarms because he or she stands still for a period of time.
A. Firefighter loses contact with hoseline or search line.
What BEST describes the process of determining tenability of interior fire environments? (436) [4.3.5, 4.3.9]
A. An incipient fire makes interior environments immediately untenable.
B. If an environment is untenable for unprotected victims, it is untenable for firefighters in full PPE and SCBA.
C. Signs of structural collapse make interior operations untenable even for firefighters in full PPE and SCBA.
D. If the environment is tenable for firefighters in full PPE and SCBA, then it is tenable for unprotected victims.
C. Signs of structural collapse make interior operations untenable even for firefighters in full PPE and SCBA.
When identifying safe havens during search and rescue operations, firefighters should identify areas: (436) [4.3.5]
A. That are well outside of the structure.
B. That are large enough to house at least ten victims or firefighters.
C. Where the door can be closed to prevent the spread of fire and smoke.
D. That are immediately next to the point of entry made by the fire attack company.
C. Where the door can be closed to prevent the spread of fire and smoke.
What is NOT a key principle of air management during structural search and rescue operations? (437) [4.3.9]
A. Know your point of no return.
B. Always know how much air you have left.
C. Inform the IC if you must exit the structure.
D. Stay in the structure until the low-pressure alarm activates.
D. Stay in the structure until the low-pressure alarm activates.
When using SCBA, your point of no return is based on: (437) [4.3.9]
A. The availability of additional crews.
B. Whether or not RIC has been established.
C. Your team’s physical and mental condition.
D. The highest cylinder gauge reading of any member of the team.
C. Your team’s physical and mental condition.
An air cylinder’s rated operating time is: (437) [4.3.9]
A. The same for nearly every firefighter.
B. Not an indicator of actual operating time.
C. Based on time spent breathing with an elevated heart rate.
D. The minimum amount of time available to firefighters while on air.
B. Not an indicator of actual operating time.
Knowing how to react in an air emergency requires effective air management, which includes: (438) [4.3.5, 4.3.9]
A. Waiting for RIC to find you and implement a solution.
B. Asking the Incident Commander to complete a troubleshooting checklist.
C. Avoiding finding a solution to the problem and focusing on preserving as much air as possible.
D. Remaining calm, following procedures to determine a cause, and implementing a solution.
D. Remaining calm, following procedures to determine a cause, and implementing a solution.
What action should you take if you are lost and sheltering in place during interior fire fighting operations? (439) [4.2.4, 4.5.5, 4.3.9]
A. Keep lights turned off to avoid confusion.
B. Do not make any noise while others search for you.
C. Get to an uninvolved room if possible and close the door.
D. Remain off the radio to allow others to communicate about the MAYDAY operation.
C. Get to an uninvolved room if possible and close the door.
During what type of incident would firefighters likely perform air monitoring? (440) [4.3.2.1]
A. A fire alarm at an elementary school
B. Search and rescue calls with no fire present
C. A medical emergency involving suspected tuberculosis
D. A motor vehicle accident involving three or more vehicles
B. Search and rescue calls with no fire present
What would NOT be a typical reason for conducting air monitoring? (440-441) [4.3.2.1]
A. Identify hazards present at the incident.
B. Determine appropriate PPE, tools, and equipment.
C. Determine perimeters and the scope of the incident.
D. Identify the point of origin during arson investigations.
D. Identify the point of origin during arson investigations.
How can the instrument reaction time of an air monitor affect the safety of firefighters? (441) [4.3.2.1]
A. The greater the instrument reaction time, the earlier the device’s alarm will sound.
B. A device with a long instrument reaction time will require the operator to make several calculations and conversions.
C. If firefighters move too slowly, the device will not have the necessary amount of product required to properly measure the concentration.
D. If firefighters move too quickly, they may find themselves in a situation where the toxic gas concentration is much higher than the meter indicates.
D. If firefighters move too quickly, they may find themselves in a situation where the toxic gas concentration is much higher than the meter indicates.
Which statement about oxygen-enriched atmospheres is true? (442) [4.3.2.1]
A. Oxygen-enriched atmospheres are 19.5% oxygen or greater.
B. Ventilation is not an option to correct oxygen-enriched atmospheres.
C. Oxygen-enriched atmospheres require SCBA and chemical protective clothing.
D. An oxygen-enriched atmosphere greatly increases the flammability or explosive potential.
D. An oxygen-enriched atmosphere greatly increases the flammability or explosive potential.
If an air monitor determines that the atmosphere is 20.7% oxygen, the: (443) [4.3.2.1]
A. Oxygen is free of any contaminants.
B. Oxygen has been displaced by some type of contaminant.
C. Atmosphere has increased flammability or explosive potential.
D. Monitor needs to be calibrated to read the oxygen level correctly.
B. Oxygen has been displaced by some type of contaminant.
An atmosphere containing a flammable gas, vapor, or mist in excess of 10 percent of its lower explosive limit (LEL) is considered: (443) [4.3.2.1]
A. Safe.
B. Saturated.
C. Hazardous.
D. Oxygen enriched.
C. Hazardous.
What do most combustible gas indicators (CGIs) measure? (443) [4.3.2.1]
A. Lower explosive limit (LEL)
B. Percentage of oxygen in the atmosphere
C. Atmospheric pressure in kilopascals (kPa)
D. Permissible exposure limits (PEL) or ceiling value (CV)
A. Lower explosive limit (LEL)
When using an air monitor, which resource can responders use to find the safe exposure limits of a particular toxic material? (445) [4.3.2.1]
A. NIOSH Pocket Guide to Hazardous Chemicals
B. Most typical CGIs, including standard 4-gas monitors
C. NFPA 704 placards, hazmat warning labels, and other markings
D. NFPA 1001, Standard for Fire Fighter Professional Qualifications
A. NIOSH Pocket Guide to Hazardous Chemicals
Often the only clue to the presence of a gas other than what the air monitor is designed for is: (445) [4.3.2.1]
A. A malfunction of the device’s oxygen sensor.
B. An alarm set for 10 percent of the lower explosive limit.
C. A decrease in the percentage of oxygen in the atmosphere.
D. A decrease of several parts per million of carbon monoxide.
C. A decrease in the percentage of oxygen in the atmosphere.
Before an incident, a gas monitor is typically calibrated by using: (446) [4.3.2.1]
A. Pure oxygen.
B. Normal atmosphere.
C. A known contaminant, such as exhaust from an apparatus.
D. A known quantity of a manufacturer-approved calibration gas.
D. A known quantity of a manufacturer-approved calibration gas.
Once at the incident, the firefighter responsible for air monitoring should perform a: (446) [4.3.2.1]
A. Bump test with calibration gas.
B. Fresh-air calibration, also known as a zero cal.
C. Response test inside a contaminated atmosphere.
D. Full calibration following manufacturer’s instructions.
B. Fresh-air calibration, also known as a zero cal.
What is a step in staying safe during air monitoring operations? (447) [4.3.2.1]
A. Remove any damaged device from service immediately.
B. Move quickly so that you can measure the hot zone first.
C. Begin with the assumption that only one hazard is present.
D. Keep the monitor as low as possible on your person throughout the operation.
A. Remove any damaged device from service immediately.