IFSTA APP Exam Chapter 5 with Complete Solutions

Which part of the protective coat is designed to enable rescuers to assist a downed firefighter? - ANSWER-Drag Rescue Device When wearing SCBA in an IDLH atmosphere, you must: - ANSWER-check your air supply status frequently According to NFPA and OSHA, an atmosphere that contains less than 19.5% oxygen would be considered: - ANSWER-oxygen deficient Which SCBA component is integrated into the facepiece or mounted on the shoulder and shows how much air is remaining in the cylinder? - ANSWER-Heads up display (HUD) nfpa 1500 prohibits _______ that prevent a complete seal between the SCBA facepiece and the wearer's face. - ANSWER-beards Firefighters should be aware that SCBA air cylinders: - ANSWER-are heavy enough to increase physical stress during emergency operations When fighting a wildland fire, is is unsafe to wear: - ANSWER-synthetic underclothing In order to ensure maximum visibility to motorists, the US Department of Transportations requires personnel at roadway incidents to wear: - ANSWER-high-visibility vest Which type of SCBA filing system is mounted on a trailer or apparatus chassis and is designed to refill air cylinders at an emergency? - ANSWER-Mobile fill system After doffing SCBA, is is important for a firefighter to: - ANSWER-relieve pressure from the regulator When donning an unmounted SCBA using the over-the-head method, where should the SCBA unit be positioned? - ANSWER-On the ground in front of the firefighter Controlled breathing is an important exit technique because it: - ANSWER-decreases air consumption while exiting Which SCBA limitation would result in excess air loss from the SCBA cylinder? - ANSWER-Poor apparatus condition What is an example of a nonemergency exit indicator? - ANSWER-Assignment is complete Cascade system and compressor air purification systems are both types of: - ANSWER-stationary fill systems After changing out an empty SCBA cylinder, the empty cylinder should be placed: - ANSWER-separate from the full cylinders that are ready for use When refilling an SCBA cylinder, it is important to always: - ANSWER-inspect the cylinder before filling it While wearing SCBA, firefighters should: - ANSWER-check the cylinder pressure before entering the IDLH atmosphere When entering an IDLH atmosphere, it is important to: - ANSWER-be aware of alternate means of egress in case the entry route is blocked Breathing air that has been heated to flame temperatures - ANSWER-can seriously damage the respiratory tract In which situation would it be acceptable to wear safety instead of SCBA facepiece glasses as eye protection? - ANSWER-Freeing a trapped victim at a car accident Which SCBA component reduces the high pressure of the cylinder and controls air flow to the wearer? - ANSWER-Regulator assembly During post-suppression overhaul operations; SCBA: - ANSWER-must be worn because the respiratory hazards remain When firefighters doff PPE after an incident, they should: - ANSWER-inspect it for thermal damage such as charring or melting Donning SCBA from a seat mount should only be done if: - ANSWER-it can be done without removing the seatbelt Firefighter Breathing Air Replenishment Systems (FBARS) are designed to : - ANSWER-provide an endless source of breathing air to the firefighters on any floor of the structure Which SCBA component allows two firefighters to share air from one cylinder without removing their facepieces? - ANSWER-Emergency Escape Breathing Support System (EEBSS) What should you do if you experience a symptom of oxygen deficiency such as light-headedness while working on SCBA - ANSWER-Report by radio and evacuate the area immediately In which situation would wearing hearing protection be impractical or dangerous? - ANSWER-Attempting got locate a trapped victim Protective clothing traps heat and moisture inside, which may significantly: - ANSWER-increase breathing and heart rate In order to make sure that an SCBA unit will seal properly to his/her face, each firefighter must undergo a qualitative and quantitative: - ANSWER-fit test What is an advantage of donning SCBA from a backup mount? - ANSWER-Quick access to the SCBA Which action should be avoided when donning an SCBA facepiece? - ANSWER-Pulling the facepiece harness straps to the sides Which type of respirator protection utilizes a compressed air cylinder and the exhaled air is vented to the outside atmosphere? - ANSWER-Open-circuit SCBA What should a firefighter do to his/her SCBA at the beginning of each shift? - ANSWER-Check the air cylinder is full What should be avoided when cleaning SCBA? - ANSWER-Submerging the regulator in water The SCBA backplate and harness assembly includes: - ANSWER-an adjustable waist strap Which SCBA component is designed to allow a cylinder that is low on air to be filled from another cylinder, regardless of its manufacturer? - ANSWER-Rapid intervention crew universal air coupling (RIC UAC) What are fire fighting boots designed to do? - ANSWER-Prevent toes from being crushed What should you do if you are wearing SCBA and the reading on the remote pressure gauge doesn't match the reading on the regulator guage? - ANSWER-Assume that the lower of the two readings is correct When donning an SCBA facepiece, the firefighter should ensure that: - ANSWER-there is no hair between the skin and the facepiece seal