EMR EMR Environmental Emergencies and Hazmat Awareness 2

Question 1

At a hazmat scene, the placard on a tanker shows the UN number 1017. What does this indicate to the EMR?

Accepted Answer

The placard number helps identify the substance using the Emergency Response Guidebook

Answer

UN numbers on placards correspond to specific substances in the Emergency Response Guidebook (ERG), allowing responders to identify hazards and safe actions.

Question 2

A patient is found near an overturned pesticide tanker, drooling, with miosis and muscle twitching. What class of agent is responsible?

Accepted Answer

Organophosphate or nerve agent (cholinergic toxidrome)

Answer

SLUDGE signs (Salivation, Lacrimation, Urination, Defecation, GI distress, Emesis) and miosis indicate cholinergic poisoning from organophosphates or nerve agents.

Question 3

What is the correct order of decontamination priorities for a contaminated victim at a hazmat scene?

Accepted Answer

Remove and bag clothing, then flush with large amounts of water

Answer

Removing clothing eliminates up to 80% of contamination, followed by copious water flushing — this sequence protects both the victim and responders.

Question 4

A patient who fell through ice into a frozen lake is pulled out. Their core temperature is estimated at 30°C (86°F). What rhythm disturbance is most concerning?

Accepted Answer

Ventricular fibrillation

Answer

Severe hypothermia (below 30°C) makes the myocardium highly susceptible to ventricular fibrillation, which is the primary lethal rhythm concern.

Question 5

When responding to a potential radiation emergency, the EMR's best protection follows the three principles of:

Accepted Answer

Time, distance, and shielding

Answer

Minimizing time of exposure, maximizing distance from the source, and using shielding are the three fundamental radiation protection principles.

EMR - Emergency Medical Responder Practice Test

EMR - Emergency Medical Responder Practice Test

EMR EMR Environmental Emergencies and Hazmat Awareness 2