EXSS 288 Exam 2 Questions & Answers 100% Updated!

Hyperthermia - ANSWERSElevated body temperature Temperature, weather, humidity, and hydration contribute Heat stress - ANSWERSThermal load on the body generated internally or externally (internal-muscle, external-environment) Five main factors affecting body temperature - ANSWERSMetabolic heat production Conductive heat exchange Convective heat exchange Radiant heat exchange Evaporative heat loss Metabolic heat production - ANSWERSNormal metabolic function generates heat Exercise - the greater the intensity, the higher the metabolism Internal, muscles Conductive heat exchange - ANSWERSDirect physical contact with an object/surface Heat is then transferred into or out of the body Turf fields, external, environment Convective heat exchange - ANSWERSContact with air or water Body heat can either be lost or gained, depending on the temperature of the circulating medium The cool/hot air/water moving against the athlete's skin absorbs or adds heat Ice bath, external Radiant heat exchange - ANSWERSRadiant heat from sunshine causes an increase in body temperature Body dilates superficial blood vessels to move blood closer to skin surface to lose heat through radiation Evaporative heat loss - ANSWERSSweat glands in skin transport water to the surface Evaporation of water takes heat with it Humidity impairs body's ability to lose heat through evaporation Preventing heat illness - ANSWERSMonitoring heat index Appropriate hydration Gradual acclimatization