EMS Operations and Scene Management Flashcards

Which principle of the Incident Command System (ICS) limits the number of subordinates one supervisor can effectively manage?

Answer: Span of control

Span of control defines the recommended ratio of 3–7 subordinates per supervisor to maintain effective oversight.

When arriving at a motor vehicle collision, what is the FIRST priority for EMS personnel?

Answer: Ensure scene safety

Scene safety must be confirmed before patient contact to prevent responders from becoming additional casualties.

In a mass casualty incident using START triage, a patient who is breathing at 24 breaths per minute with a radial pulse and follows commands is tagged:

Answer: Yellow (delayed)

In START triage, a patient who breathes, has a radial pulse, and can follow commands but has a respiratory rate >20 is classified Yellow (delayed).

What is the recommended safe distance from a vehicle that may have a hybrid or electric battery fire during scene size-up?

Answer: 100 feet

A minimum of 100 feet is recommended from hybrid/electric vehicle fires due to risk of battery reignition and toxic off-gassing.

Which document outlines the responsibilities and authority of emergency responders during a declared disaster in the United States?

Answer: National Incident Management System (NIMS)

NIMS provides a consistent nationwide framework for emergency management, including roles and responsibilities during disasters.

When using the power lift technique to move a stretcher, paramedics should:

Answer: Keep the back straight and lift with the legs

The power lift requires a straight back and lifting with the legs to protect the spine and reduce injury risk.

Which zone in a hazardous materials incident is where patient decontamination occurs?

Answer: Warm zone (contamination reduction zone)

Decontamination takes place in the warm zone, which is the transition area between the contaminated hot zone and the clean cold zone.