Following a collision, someone has suffered a burn. The burn needs to be cooled. What’s the shortest time it should be cooled for?

Explanation: Check the casualty for shock and, if possible, try to cool the burn for at least 20 minutes. Use a clean, cool, non-toxic liquid, preferably water.

Category: Incidents, accidents and emergencies

References: The Official DVSA Guide to Driving: Section 16, Highway Code: Page 133