vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| conduction | heat transfer resulting from energy exchange by direct collision between molecules of two materials at different temperatures. Heat is transferred by conduction when the materials are in contact with each other
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| convection | heat transfer through direct contact of a circulating medium with material of a different temperature
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| conversion | heat transfer by conversion of a nonthermal form of energy, such as mechanical, electrical or chemical energy, into heat
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| diathermy | the application of shortwave or microwae electromagnetic energy to produce heat within tissues, particularly deep tissues
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| fluidotherapy | a dry heating agent that transfers heat by convection. it consists of a cabinet containing finely ground particles of cellulose through which heated air is circulated
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| Hubbard tank | a large, stainless steel whirlpool designed for immersion of the entire body that is used primarily for the treatment of patients with extensive burn wounds
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| paraffin | a waxy substance that can be warmed and used to coat the extremities for thermotherapy
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| radiation | transfer of energy from one material to another without the need for direct contact or an intervening medium
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| specific heat | the amount of energy required to raise the temperature of a given weight or a material by a given number of degrees, usually expressed in J/g/C
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| thermal conductivity | the rate at which a material transfers heat by conduction, usually expressed in (cal/second)/(cm2xC/cm)
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| ultrasound | sound with a frequency greater than 20,000 cycles per second that has thermal and nonthermal effects when applied to the body
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| vapocoolant spray | a liquid that evaporates quickly when sprayed on the skin, causing quick superficial cooling of the skin
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| vasoconstriction | a decrease in blood vessel diameter. cold generally causes vasoconstriction
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| vasodilation | an increase in blood vessel diameter. heat generally causes vasodilation
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