PARASCI_LE10 Word Scramble
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| Question | Answer |
| Increases heat loss, prevents dangerously high temp | Sweating |
| Increases metabolic heat production, offsets increased heat loss from cold conditions | Shivering |
| Transfer of heat through air or vacuum | Radiation |
| Direct transfer of heat from one molecule to another | Conduction |
| Heat transfer through circulation of air currents | Convection |
| Water on skin converted into vapour from body heat | Evaporation |
| An increase in body temperature that occurs without change in set point of hypothalamus | Hyperthermia |
| Slow painful skeletal muscle cramps, usually in muscles most heavily used, last 1-3 mins, due to salt depletion, body temperature may be normal or slightly elevated | Heat Cramps |
| Related to gradual loss of salt and water, hyperventilation, >37.5C, HR elevated, thirst, fatigue, nausea, oliguria, giddiness, delirium | Heat exhaustion |
| Thermoregulatory failure >40C, hot dry skin, delirium, convulsions, LoC, tachycardia, hyperventilation, dizziness, weakness, blurred vision-> vascular collapse causing cool skin, ECG changes | Heat Stroke |
| Core temp <35C | Hypothermia |
| Spontaneous decrease in core temperature, usually in a cold environment | accidental hypothermia |
| Sympathetic nervous system excitation, shivering, hypertension, tachycardia, tachypnoea, vasoconstriction | mild hypothermia |
| More violent shivering, muscle miscoordination, patient becomes pale, lips ears fingers may become blue | moderate hypothermia |
| Physiological systems falter, HR, RR & BP dcrs, difficulty speaking, sluggish thinking, amnesia | severe hypothermia |
| Localised damage caused to skin and other tissues when frozen | frostbite |
| Itching and pain, skin develops white, red and yellow patches and becomes numb | first degree frostbite |
| Skin may freeze and harden, blisters 1-2 days after becoming frozen, blisters may become black and hardened | Second degree frostbite |
| Muscles tendons and blood vessels & nerves all freeze, skin is hard, feels waxy and great risk of amputations | Third degree frostbite |
| Assess breathing puffs of air, RR | Primary survey |
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