Chapter 5 Flashcards
39
What is the only time indicator of how you will breathe down your cylinder?
Is to record your time on air in caring firefighting situations.
39
What are the factors that influence how quickly your deplete your air supply?
Physical fitness level, your mental status, and your comfort in wearing the SCBA ensemble.
40
How much of the SCBA load is meant to be carried on your hips?
60% of the load
40
If you dont secure the hip strap and let your hip carry some of the load then what is the end result?
It will cause you to work harder to accomplish task. It will cause your muscles to weaken and cause you to breathe harder, deeper, and faster, expending that vital air in your SCBA bottle.
40
After returning from a fire incident what is one way that we can continue to improve ourselves?
Think about yourself and your performance at the fire. What did you do and what did you fail to do, what would you do differently at the next fire.
Personal and company level after-fire reflection is paramount to addressing and eliminating future problems on the fire ground.
42
If you do not secure the SCBA straps, what negative effects can that have on the SCBA movement?
It allows the bottle to move both horizontally and vertically on your back. If searching on all fours the bottle has a tendency to ride uproar back toward your head. The danger being the pack can slide up and dislodge your helmet or break your seal.
43
What is a timesaving tip for the waist straps on the SCBA pack?
Put your SCBA pack on, put on the waist straps, then remove the pack leaving the straps fitted to your waist. Now all that needs to be done at a fire is buckle the straps.
43
What is a timesaving tip for the facepiece?
You should pre set the straps on your face piece as well. Some FFers preset all straps but the one at the bottom side of their dominate hand so to allow quicker donning and masking up times.
44
What is the longest delay in beginning FFer operations result from what?
The time taken to don the SCBA face piece and create the face piece/hood/helmet protective ensemble.
44
To go form SCBA on back to fully encapsulated, face piece on, hood applied, and helmet with chinstrap in place breathing supplied air should take no more than ___.
30 seconds.
44
What effect does being out of shape have on your body and air supply?
It puts added stressors on the heart and lungs. As your body works harder it needs to send more oxygen to the blood cells to carry out the work. Increasing your breathing rate and reducing the length of time the air supply in your SCBA will last.
45
What is the most important piece of firefighting equipment?
Arguably no other piece of fire fighting equipment is more important as our SCBA.
45
What has nearly a big of impact on your air utilization as your physical conditioning?
your mental status
45
what was wrong with the skip breathing technique that we were taught in fire academy?
By holding your breath you starved the body of the oxygen it needs to operate and upset the balance of oxygen and carbon dioxide.
The moment your brain registers this alarm you increase your respiratory rate and pulse to reactive balance. negating any saved air.
45
Explain the Reilly Emergency Breathing Technique (R-EBT), and who was it developed by?
Developed by Kevin Reilly and Frank Ricci
Normal breathing takes 4-6 seconds for inhalation and exhalation. By humming while exhaling you can expend the exhalation process by 12 seconds. Applied to a bottle with 1000-1200psi (when low air alarm activates), it can extend the bottle life by 5 minutes.