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Environmental considerations and safety
Terms in this set (21)
Evaporative heat loss
loss of heat depending on sweat evaporation.
How does sweat evaporation work?
Sweat glands transport sweat to the skin where it evaporates and takes large amounts of heat with it.
what must occur for heat loss?
What must air be free of for evaporation to occur?
What amount of relative humidity impairs evaporation?
What amount of relative humidity stops evaporation?
Prevention of heat illness
precaution, hydration,replacement of fluids and electrolytes
(14 days) becoming accustomed to exercising in heat. Graded intensity changes
Death from heat stroke
More accustomed if
over weight(out of shape)
Pain/ muscle spasms
Heat cramps are due too..
excessive loss of water/electrolytes,sodium,potassium,and calcium(essentials in muscle contraction)
treatment for heat cramps.
Removal from activity
exhaustion from the heat
signs/symptoms of heat exhaustion
nausea , headache,dizziness, fainting,hyperventilation ,sweating, pale/weak,rapid pulse, low blood pressure
treatment for heat exhaustion
cool down(shade,remove access clothing, monitor)
serious condition that is life threatening
signs / symptoms of heat stroke
nausea , warm dry skin, lack of sweating, rapid full pulse, unconscious or severe distortion
call 911,drastic measures to cool down
what are these measures?
Strip clothing, immerse in water ,transport to hospital
When do you cool and transport?
cool first transport last
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