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WorksheetsScene Size-Up Questions – Worksheet Extraction
Total questions: 33
Worksheet time: 17mins
Which of the following is not determined in a scene size-up?
Chief complaint
Mechanism of injury
Scene safety hazards
Number of patients
At what point is the scene size-up complete?
At the end of the call
After the first patient assessment
Once the ambulance parks
After hazards are identified
At which of the following points should you begin your scene size-up?
As you approach the scene in the ambulance
After you exit the ambulance
When you reach the patient
After police arrive
Which of the following situations requires additional action by the EMT during scene size-up?
The sound of a barking and growling dog upon approaching the door to a residence
An open front door with porch light on
Neighbors calmly standing outside
A quiet house with curtains closed
You are called to a motor vehicle collision where the car is on fire. You should ensure safety by:
Remaining a safe distance from the car until the fire is out
Approaching quickly to pull victims out
Spraying water from the ambulance extinguisher immediately
Parking directly next to the burning vehicle
As you arrive at the scene of a house fire, a very upset man screams at you to help his young son under burning wood. What should you do first?
Size-up the scene before acting
Run inside to rescue the child
Request the father to help while you enter
Wait for the fire department to finish overhaul
At the scene of a vehicle collision with no hazards, establish a danger zone of:
50 feet in all directions
10 feet in front of the vehicle
100 feet behind the vehicle
25 feet around the rear of the ambulance
Which of the following is not a consideration used to establish the size of the danger zone?
Amount of equipment needed
Presence of hazardous materials
Downed power lines
Fuel spills
Which should be used at night to warn oncoming traffic at a hazard scene?
Reflective triangles
Handheld flashlights only
Vehicle high beams
Flares placed under the vehicle
You arrive to find a crowd around an unconscious man. A police car pulls in behind you. You should:
Wait for the police officer to assess the safety of the scene
Push through the crowd immediately
Move the patient without delay
Ask bystanders to restrain the crowd
Which is true concerning potential for violence at EMS scenes?
An unusual lack of activity may signal impending violence
Violence only occurs when crowds are loud
Violence cannot happen during medical calls
Scene quietness guarantees safety
At a suspected meth lab explosion, which resource is least important initially?
Hazardous material clean-up crew
Law enforcement to secure the scene
Fire suppression units
EMS for triage and treatment
A husband enters shouting threats during an asthma call. Best action?
Leave the scene and the patient, then notify police
Continue care while attempting to calm him
Call a friend of the patient to intervene
Ignore the threats and finish the assessment
At a bar scene with a large yelling crowd, what concerns you most?
The large crowd that has been drinking and is now yelling at you
Dim lighting inside the bar
Difficulty hearing the patient history
The bartender refusing to serve water
Approaching a motorcycle crash with heavy bleeding on an EMR, what PPE is needed?
Gloves, gown, and face mask with eye shield
Gloves only
Helmet and boots without gloves
No PPE if the patient is cooperative
Rear-end collision: what injury should you suspect most?
Neck injury
Abdominal evisceration
Finger fracture
Thermal burns
Side-impact collision to passenger side: what is most likely?
Cervical spine injury from lateral forces
Abdominal evisceration
Thermal burns to the torso
Posterior hip dislocation
Least important factor when evaluating injury potential from a fall?
Height of the fall
Surface struck
Patient's age
Patient's weight
Which weapon delivers medium-velocity impact?
Bullet from a handgun
Bullet from a rifle
Knife thrust
Fist punch
What is true regarding gunshot wounds?
Bullets cause damage in more than one way
Only the entry wound matters
They never damage organs not directly hit
Low-velocity bullets cause more cavitation than high-velocity
Which law explains internal organ impact injuries in MVCs?
Law of inertia
Law of reflection
Law of supply and demand
Boyle's law
Injury caused by an object passing through the body is:
Penetrating trauma
Blunt trauma
Compression injury
Thermal injury
Fall from a tree house requiring a 15-ft ladder: transport to:
A trauma center
An urgent care clinic
A primary care office
Home with instructions
Where should you assess injuries for a patient falling 10 feet onto their feet?
Head and cervical spine
Calcaneus and ankles
Pelvis and lumbar spine
All of these
A fall is severe if an adult falls more than 20 feet.
20 feet
10 feet
15 feet
30 feet
Blunt-force trauma is best described as:
An object strikes the body but does not penetrate tissues
An object passes through the body
Exposure to toxic chemicals
Thermal injury from heat
Which situation does NOT require additional resources?
A patient with emphysema on home oxygen
Multiple-car collision with entrapment
House fire with smoke and flames visible
Chemical spill with strong fumes
When should the EMT consult the ERG?
Chlorine gas leak at a public swimming pool
Minor ankle sprain at home
Elderly fall on carpet
Child with fever at school
Which may be a hazard at a vehicle collision?
Fuel leaks and fire risk
Downed power lines
Unstable vehicles and oncoming traffic
All of these
When should the EMT evaluate the need for Standard Precautions?
At the beginning of the call only
After patient contact only
Throughout the call
Only if blood is visible
Keen awareness of possible injuries based on MOI is called:
Index of suspicion
Field triage
Differential diagnosis
Glasgow Coma Scale
You are en route to a tanker truck with fumes and passed-out bystanders. You should:
Consult the Emergency Response Guidebook
Approach immediately without PPE
Ignore the scene and wait only for police
Transport the first person before assessing hazards
Which is true about scene size-up?
Determine the need for additional resources on all calls
It is performed only after transport begins
It ends once you reach the patient
It replaces patient care
