Free Practice Quiz Question List

1 Scene Safety and Hazard Recognition Online Quiz Questions

Use this free practice quiz with 20 questions to review 1 Scene Safety and Hazard Recognition, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

A scene appeared safe when you first assessed it. Should you continue watching for hazards as the response proceeds?

A
True
B
False

Fill in the blank

1 point

Complete the statement: Personal protective equipment reduces , but it does not remove a hazard.

Choose one

1 point

You arrive at an unfamiliar emergency scene. What is the best initial approach before moving closer?

A
Go directly to the patient so you can identify hazards nearby.
B
Pause at a safe distance, look and listen, and gather information before approaching.
C
Approach the scene to smell nearby substances and determine what they are.
D
Wait for someone at the scene to tell you whether it is safe, without conducting your own assessment.

Written response

1 point

What must you not do to an unknown substance to identify it by touch or smell? State the prohibited action in a concise phrase.

True or false

1 point

True or false: Once responders put on PPE, any scene becomes safe to enter.

A
True
B
False

Choose one

1 point

A possible inhalation hazard is present. Which condition is required for using a respirator?

A
It must be approved by a witness and worn by anyone who has gloves.
B
It must be available at the scene and worn by the first responder to arrive.
C
It must be appropriate for the hazard and used by someone trained and authorized to wear it.
D
It must be a standard EMS respirator, regardless of the material involved.

Written response

1 point

If a scene is unsafe or the hazard is unknown, where should you move before communicating the hazard and requesting resources?

Choose all

1 point

At a roadway incident, a patient has visible bleeding and traffic is still moving nearby. Select all precautions supported by the material.

A
Use gloves and eye protection because blood or body-fluid exposure is possible.
B
Rely on gloves alone to make the roadway work area safe.
C
Approach the traffic lane without a protected work area if you are wearing eye protection.
D
Use high-visibility clothing and establish a protected work area near traffic.

Fill in the blank

1 point

Before entering, determine whether you have the required for the scene.

Choose one

1 point

At a crash scene, a vehicle is smoking beside moving traffic and a power line is down. What is the safest response?

A
Approach the vehicle quickly while avoiding the visible smoke.
B
Stay clear of the vehicle, power line, and traffic; report the hazards and request fire and utility response.
C
Use ordinary EMS PPE to approach and inspect the power line.
D
Ask a bystander to move the vehicle while you approach the patient.

Choose all

1 point

A chemical release is suspected, and your team lacks hazardous-materials training and protective equipment. Select all actions consistent with safe scene management.

A
Stay out of the hazardous area.
B
Enter using ordinary EMS PPE if the patient is visible.
C
Communicate the hazard and request a hazardous-materials team.
D
Wait for the scene to be secured or declared safe by appropriate personnel.
E
Reassess the scene before entry once it is secured.

Choose one

1 point

A scene has several hazards, some of which have been controlled. Which condition best supports a decision to enter?

A
Enter whenever the patient can be seen, then decide whether the hazards are manageable.
B
Enter if you can avoid the most obvious hazard, even without the required training.
C
Enter when PPE is available, regardless of whether it suits the hazard.
D
Enter only when hazards are controlled well enough for safe work and you have the required training, equipment, and authority.

Open ended

1 point

A response begins in a location with poor visibility, nearby traffic, and an uncertain odor. Explain how a rescuer should assess the scene, decide whether to enter, and proceed if the hazards are not controlled.

Choose one

1 point

At an incident, a crowd is becoming hostile and fighting has started. How should this affect the scene assessment?

A
Ignore the crowd if no weapon is visible.
B
Treat an uncontrolled crowd or fighting as a possible security hazard and reassess before approaching.
C
Approach the patient first because crowd behavior is unrelated to scene safety.
D
Assume that a bystander can control the crowd without checking.

True or false

1 point

True or false: Wearing appropriate PPE removes scene hazards and, by itself, makes it safe to enter.

A
True
B
False

Written response

1 point

A suspected chemical release is beyond the EMS crew’s training and equipment. Which specialist team should the crew request?

Choose one

1 point

A patient may have blood on their clothing, and you expect possible splashing during care. Which PPE combination is identified as appropriate for this exposure risk?

A
A mask and high-visibility clothing
B
Gloves and eye protection
C
Protective clothing only
D
A respirator and high-visibility clothing

Choose one

1 point

You are preparing to work beside moving traffic at a roadway incident. Which approach best addresses the traffic-related risk?

A
Gloves and eye protection only
B
A respirator and ordinary work clothing
C
High-visibility clothing and a protected work area
D
Protective clothing without traffic precautions

Written response

1 point

You cannot determine whether an unknown hazard is controlled, and you lack the equipment to assess it safely. What is your immediate entry decision?

Choose one

1 point

You see an unlabelled container leaking an unfamiliar powder. What is the safest way to handle the uncertainty?

A
Stay at a safe distance and report the substance as unknown
B
Move closer and smell it briefly
C
Touch a small amount while wearing gloves
D
Open the container to check its contents