Types of Heat Loss
When sweat evaporates from the skin, cooling the body in the process.
What is evaporative cooling?
The excessive loss of body water.
What is dehydration?
They dehydrate faster! - so monitor them closely.
What are children?
The inhalation of cold air and exhalation of warm air which has been heated by the body.
What is respiration?
This most often occurs because of prolonged exposure to cold weather and develops gradually (which may cause it to go unnoticed).
What is hypothermia?
This layer of clothing should be wind/water resistant.
What is the outer layer?
The transfer of heat energy through space.
What is radiation?
This occurs when the skin actually freezes and loses water. (blood vessels are permanently constricted)
What is frostbite?
The most important way to avoid cold stress.
What is protective clothing?
The transfer of heat between materials that contact each other.
What is conduction?
The development of tingling sensations that occur due to cold exposure.
What is frostnip?
Drink plenty of fluids (avoiding _____ and _____ )
What are caffeine and alcohol?
The transfer of heat in a moving fluid. (e.g wind)
What is convection?
This refers to a localized area of tissue inflammation that appears as swollen and reddish or purple.
What are chilblains (or pernio)?
Hypothermia is brought on at a body temperature less than ____ degrees.
What is 95?