About the Study Guide

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Some of the most common and dangerous risks to OHV riders result from exposure to extreme weather. Learn to recognize the signs of these dangers, which include hypothermia, frostbite, heat exhaustion, and heat stroke. It's even more important, however, to prepare ahead of time to avoid such risks.

Hypothermia occurs when the body loses heat faster than it can produce it.

Contributing Factors
  • Extreme cold
  • Use of alcohol or drugs
  • Slower metabolic rates, as in older people
  • Other medical conditions
Symptoms
  • Uncontrolled shivering
  • Slow, slurred speech
  • Memory loss
  • Irrational behavior
  • Lack of movement
  • Sleepiness
  • Unconsciousness
Prevention
  • Wear weather-appropriate clothing that can wick away moisture.
  • Keep your head covered.
Outdoorsman wrapped in a thermal foil blanket to prevent hypothermia