Quiz: Winter Injury and Illness By NOLS Nov 16, 2017 First Aid Wilderness First Aid Winter Quizzes Wilderness Medicine Hypothermia Frostbite Written By NOLS NOLS is a nonprofit global wilderness school that seeks to help you step forward boldly as a leader. Recommended Quiz: Treating Heat Illness and Dehydration Quiz: Managing Altitude Illness Quiz: Sprains, Strains, and Athletic Injuries