©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
NU 624 - Unit 9 - Fire in the Operating
Room Questions and Answers
Triad of components required for ignition and propagation a fire - Ans:✔✔-ignition source, fuel, and
oxidizer
parts of the fire triad - Ans:✔✔-oxidizers (O2 and N2O), fuel (hair, drapes, cosmetics, ETT), and ignition
source (laser)
What are a highly effective and rapid source of ignition? - Ans:✔✔-lasers
Can ignition occur with O2 as the primary oxidizer at 21% or less? - Ans:✔✔-yes
When is ignition potential amplified? - Ans:✔✔-in the presence of an enriched oxidizer concentration.
anesthesiologists and laser operators must work together to ensure that the ________ possible FiO2 is
used during all procedures - Ans:✔✔-lowest
common sources of fuel in OR - Ans:✔✔-ETT, other plastic items, drapes and towels and alcohol based
preparations.
less common fuels of fire in OR - Ans:✔✔-hair and skin ointments
Page 1/9
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
ECRI - Ans:✔✔-Emergency Care Research Institute
ECRI estimates how many surgical fires happen each year - Ans:✔✔-550-650 (in 65 million surgical cases
a year)
ECRI estimates what percentage of fires in airway? - Ans:✔✔-34%
ECRI estimates what percentage of fires on face or head? - Ans:✔✔-28%
Report from TJC says how many fires in OR a year? - Ans:✔✔-20-30 a year
most common complication of endoscopic airway laser surgery? - Ans:✔✔-surgical fire
how can surgical fire result from endoscopic airway surgery? - Ans:✔✔-direct or indirect laser beam
contact with ETT
what from the surgical site can ignite an ETT? - Ans:✔✔-smoldering particles of tissue
in an otolaryngololic study, during endoscopic airway and tracheal surgery, a laser was the ignition
source of how many fires? - Ans:✔✔-26 out of 27 fires
in the same otolaryngotolic study, how many of those fires were involved in the ignition of an ETT? -
Ans:✔✔-15
in the same otolaryngotolic study, how many of those fires had an FiO2 of 21%? - Ans:✔✔-7
Page 2/9
FIRST PUBLISH OCTOBER 2024
NU 624 - Unit 9 - Fire in the Operating
Room Questions and Answers
Triad of components required for ignition and propagation a fire - Ans:✔✔-ignition source, fuel, and
oxidizer
parts of the fire triad - Ans:✔✔-oxidizers (O2 and N2O), fuel (hair, drapes, cosmetics, ETT), and ignition
source (laser)
What are a highly effective and rapid source of ignition? - Ans:✔✔-lasers
Can ignition occur with O2 as the primary oxidizer at 21% or less? - Ans:✔✔-yes
When is ignition potential amplified? - Ans:✔✔-in the presence of an enriched oxidizer concentration.
anesthesiologists and laser operators must work together to ensure that the ________ possible FiO2 is
used during all procedures - Ans:✔✔-lowest
common sources of fuel in OR - Ans:✔✔-ETT, other plastic items, drapes and towels and alcohol based
preparations.
less common fuels of fire in OR - Ans:✔✔-hair and skin ointments
Page 1/9
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
ECRI - Ans:✔✔-Emergency Care Research Institute
ECRI estimates how many surgical fires happen each year - Ans:✔✔-550-650 (in 65 million surgical cases
a year)
ECRI estimates what percentage of fires in airway? - Ans:✔✔-34%
ECRI estimates what percentage of fires on face or head? - Ans:✔✔-28%
Report from TJC says how many fires in OR a year? - Ans:✔✔-20-30 a year
most common complication of endoscopic airway laser surgery? - Ans:✔✔-surgical fire
how can surgical fire result from endoscopic airway surgery? - Ans:✔✔-direct or indirect laser beam
contact with ETT
what from the surgical site can ignite an ETT? - Ans:✔✔-smoldering particles of tissue
in an otolaryngololic study, during endoscopic airway and tracheal surgery, a laser was the ignition
source of how many fires? - Ans:✔✔-26 out of 27 fires
in the same otolaryngotolic study, how many of those fires were involved in the ignition of an ETT? -
Ans:✔✔-15
in the same otolaryngotolic study, how many of those fires had an FiO2 of 21%? - Ans:✔✔-7
Page 2/9
