Chapter 11 Scene Size Up

Question 1

What is the first part of the patient assessment process?

Answer 1

Scene size up

Question 2

What are the components of a scene size up?

Answer 2

Standard precautions 
Scene Safety
Nature of call
Number of Patients
Additional Resources 
Spinal considerations

Question 3

When does your scene size up start?

Answer 3

As you roll up on the scene, before the ambulance has stopped

Question 4

What does the size of the danger zone depend on?

Answer 4

The nature and severity of collision-produced hazards

Question 5

What should the radius of the danger zone be when there are no apparent hazards?

Answer 5

50 feet

Question 6

What should the radius of the danger zone be when fuel has been spilled?

Answer 6

100feet, park up hill and upwind

Do not use flares, cones during day, triangles at night

Question 7

What should the danger zone be when a vehicle is on fire?

Answer 7

At least 100 feet

Question 8

What should the danger zone be when wires are down?

Answer 8

At least one full span of wires away

Question 9

What are some general rules an EMT should follow if they determine there may be a threat of violence at the scene?

Answer 9

Retreat to position of safety, wait until scene is secured by police

Question 10

What precautions should the EMT take during patient treatment to ensure protection from blood and body fluids?

Answer 10

Body Substance Isolation

Question 11

What are the two injury patterns we see with Head on collisions?

Answer 11

Up and over (head, neck injuries, chest/breathing problems form striking steering wheel.) Down and under (Knee, leg and hip injuries)

Question 12

What Pattern of Injury is seen in rear end collisions?

Answer 12

Neck and head injuries

Question 13

What are some important factors we need to consider when it comes to falls?

Answer 13

The height
Surface patient landed on
Part of patient that hit
Anything interrupting the fall

Question 14

What is considered a significant fall for a child?

Answer 14

Greater than ten feet or more than 2-3 x the child’s height (less than 15 years)

Question 15

What is considered a significant fall for the adult?

Answer 15

Greater than 20 feet

Question 16

What are some examples of low velocity wounds?

Answer 16

Wounds by objects propelled by hand, knives

Question 17

What are some examples of medium velocity wounds?

Answer 17

Handguns, shotguns, arrows

Question 18

What are the two ways bullets cause damage?

Answer 18

Direct

Pressure related, cavitation

Question 19

What’s the first thing you need to do before assessing any causality?

Answer 19

Scene size up

Question 20

What term describes the force or forces that may have caused injury?

Answer 20

MOI

Question 21

Noting damage to what parts of the interior of a vehicle can give you information regarding a patient’s possible injuries?

Answer 21

Damage to the windshield, damage to the steering wheel, dash, pedals or deployed airbags

Question 22

What are some indications that may alert the EMT to possible violence on the scene?

Answer 22

Fighting or loud noises
Weapons visible or in use
Signs of alcohol or other drug use
Unusual silence
Knowledge of prior violence

Question 23

What is the minimum BSI an EMT should wear when responding to vehicle collision that likely caused severe injuries with bleeding?

Answer 23

Gloves and eye protection