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12 Cards in this Set
- Front
- Back
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The most toxic substances to
a child who is small in size include |
iron, antidepressants,
hypoglycemics, cardiovascular drugs, salicylates, anticonvulsants, and illicit drugs |
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what are the 4 methods of heat transfer?
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Radiation
Convection conduction evaporation |
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A fever is mediated by the action of?
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cytokines
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what is hyperthermia?
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any elevation of the core body temperature above the hypothalamic set point without regard to the mechanism causing it
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what are the s/s of heat stroke?
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temp >40 (104F)
signs of end-organ damage secondary to the hyperthermia - they will show some form of CNS dysfunction, may also have renal failure, hepatic failure, DIC, rhabdomyolysis, or multi-organ system failure. They can no longer thermoregulate |
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Heat exhaustion is a clinical syndrome of multiple constitutional symptoms including:
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fatigue, HA, N/V and myalgias
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what is the big difference between heat exhaustion and heat stroke?
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with heat exhaustion, the body maintains its ability to thermoregulate.
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What is heat conduction?
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the transfer of heat to a cooler object by direct contact. It can result in a gain or loss of heat
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What is convection?
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the transfer of heat by water vapor in air currents and can result in a gain or loss of heat
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What is evaporation?
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the loss of heat as energy is expended to transform a liquid to a gas.
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What is heat radiation?
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the gain or loss of heat energy by electromagnetic radiation.
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which form of heat transfer is the most significant?
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Radiation - 65%
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