202.018 Co/H2S Monitoring
26 Questions
6 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of the policy outlined in the text?

  • To define the roles of FFD members in firefighting operations
  • To specify the types of personal protective equipment (PPE) to be worn at structure fires
  • To establish protocols for monitoring CO and HCN at structure fires (correct)
  • To provide guidelines for handling hazardous materials in structure fires

When should members remove their self-contained breathing apparatus (SCBA) at a structure fire?

  • Upon receiving a signal from the incident commander
  • When the atmospheric conditions feel safe
  • As soon as they enter the structure
  • After the fire has been knocked down (correct)

Why should gas detection meters not be exposed to active fire conditions?

  • Because they are not designed for high temperatures
  • To avoid interference with firefighting operations
  • Because exposure to heat can damage the instruments (correct)
  • To prevent contamination of the detection sensors

What should members utilize for monitoring at structure fires according to the text?

<p>Department-issued gas detection meters (D)</p> Signup and view all the answers

Who determines when structural firefighting personal protective equipment (PPE) can be removed?

<p>Incident commander (C)</p> Signup and view all the answers

What are the symptoms of acute exposure to HCN?

<p>Weakness, headache, confusion, and vertigo (C)</p> Signup and view all the answers

What may indicate that respiration has ceased or been inadequate for a few minutes?

<p>Cyanosis (C)</p> Signup and view all the answers

What is the half-life of HCN?

<p>One hour (B)</p> Signup and view all the answers

What symptoms may occur after chronic exposure to cyanide?

<p>Dermatitis and itching (B)</p> Signup and view all the answers

What changes have been produced by long-term exposures to cyanide?

<p>Thyroid changes (B)</p> Signup and view all the answers

What is the recommended action if firefighters are found to have been operating in an IDLH atmosphere without SCBA or experiencing severe health effects?

<p>Immediate medical evaluation is strongly recommended (D)</p> Signup and view all the answers

What is important when transporting the exposed firefighter to the hospital?

<p>Advise the hospital about the presence of CO and HCN in the hazardous environment (B)</p> Signup and view all the answers

Where can information about Hazardous Substances Data Bank for Hydrogen Cyanide be found?

<p>National Library of Medicine (NLM) (D)</p> Signup and view all the answers

What is the half-life of HCN?

<p>One hour (C)</p> Signup and view all the answers

What should be done if a company with an HCN meter is not on the scene?

<p>Request a unit with a meter to respond (C)</p> Signup and view all the answers

What is the short-term exposure limit (STEL) [skin] for HCN?

<p>4.7 ppm (C)</p> Signup and view all the answers

When should SCBAs be utilized based on CO levels?

<p>When CO is detected at 25 ppm or greater (A)</p> Signup and view all the answers

What should be done if an operational HCN meter is not available at the scene?

<p>Readings of 20 ppm or lower of CO are required in order to operate without an SCBA (D)</p> Signup and view all the answers

What are the signs and symptoms of acute exposure to CO?

<p>Headache, flushing, nausea, vertigo, weakness, irritability (C)</p> Signup and view all the answers

What is a characteristic of HCN exposure?

<p>Causes rapid death due to metabolic asphyxiation (B)</p> Signup and view all the answers

What information should be supplied when reporting HCN exposures?

<p>Areas monitored with corresponding readings (B)</p> Signup and view all the answers

When should field decontamination of PPE/SCBA be done?

<p>Once an incident is under control (C)</p> Signup and view all the answers

What should happen if turnout gear has a reading higher than 5 ppm CO?

<p>The gear should be cleaned again using an approved gear extractor (B)</p> Signup and view all the answers

"What is important for members to do prior to drinking and eating in Rehab?"

<p>&quot;Practice good personal hygiene by washing hands&quot; (C)</p> Signup and view all the answers

What does CO combine with to form carboxyhemoglobin?

<p>Reversibly with hemoglobin (D)</p> Signup and view all the answers

When should SCBAs be utilized based on HCN levels?

<p>HCN is detected at 2 ppm (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser