DPSST Emergency Services 3 — Questions and Answers
Question 1: A law enforcement officer responding to a reported gas leak should first:
- Enter the building to locate the source
- Establish a perimeter and notify the gas utility and fire department (Correct answer)
- Turn off the gas meter at the building exterior
- Begin evacuating only the immediate room of the leak
Correct answer: Establish a perimeter and notify the gas utility and fire department
Officers should establish a safe perimeter and notify the appropriate utility and fire department, who have specialized equipment for gas emergencies.
Question 2: Under DPSST use-of-force standards, what concept requires officers to use the minimum force necessary proportional to the threat?
- Objective reasonableness
- Proportionality (Correct answer)
- Totality of circumstances
- Imminent threat doctrine
Correct answer: Proportionality
Proportionality requires that the level of force applied be proportional to the severity and immediacy of the threat presented.
Question 3: In ICS, the Finance/Administration Section Chief is responsible for:
- Coordinating all tactical operations on scene
- Tracking costs, procurement, and time records for the incident (Correct answer)
- Managing mutual aid agreements between agencies
- Overseeing staging and resource assignments
Correct answer: Tracking costs, procurement, and time records for the incident
The Finance/Administration Section Chief manages financial tracking, procurement, compensation/claims, and time recording during an incident.
Question 4: Which type of fire extinguisher is appropriate for a Class K kitchen fire involving cooking oils?
- CO2 extinguisher
- Dry chemical (ABC) extinguisher
- Wet chemical extinguisher (Correct answer)
- Water mist extinguisher
Correct answer: Wet chemical extinguisher
Wet chemical extinguishers are specifically designed for Class K fires involving cooking oils and greases, as they saponify the fuel to suppress the fire.
Question 5: An EMT assesses an unresponsive adult and finds no pulse. Per current American Heart Association guidelines, what is the correct compression-to-ventilation ratio for two-rescuer CPR?
- 15:2
- 30:2 (Correct answer)
- 15:1
- 30:1
Correct answer: 30:2
The AHA recommends a 30:2 compression-to-ventilation ratio for adult CPR when an advanced airway has not been placed.
Question 6: What is the purpose of the National Incident Management System (NIMS) Resource Typing system?
- To rank responders by seniority for command assignments
- To categorize resources by capability so they can be requested and deployed consistently across jurisdictions (Correct answer)
- To assign equipment replacement schedules
- To determine which agencies receive federal reimbursement
Correct answer: To categorize resources by capability so they can be requested and deployed consistently across jurisdictions
Resource Typing standardizes definitions of resources by capability, enabling seamless mutual aid requests and deployment across different jurisdictions.
Question 7: During a wildland-urban interface (WUI) fire, which of the following is the highest-priority life safety action for responding personnel?
- Protecting structures with foam application
- Identifying and maintaining escape routes and safety zones (Correct answer)
- Conducting structure-to-structure firing operations
- Establishing a unified command with state forestry
Correct answer: Identifying and maintaining escape routes and safety zones
In WUI operations, personnel must always identify and maintain viable escape routes and safety zones as the top life safety priority before any suppression activity.
DPSST Emergency Services 3
A law enforcement officer responding to a reported gas leak should first: