Ch 26 Key Terms Flashcards
core body temperature
the temperature in the part of the body that contains the vital organs.
ambient temperature
the temperature in the immediate environment.
heat acclimatization
adaptation of the body over time to a hot environment.
heat cramps
painful muscle cramps that result from dehydration and electrolyte imbalances.
heat exhaustion
a condition characterized by fatigue, dizziness, nausea, and headache caused by dehydration and elevated core body temperature.
heat index
combines the effects of increasing ambient temperature and increasing humidity.
heat-related syncope
fainting secondary to pooling of the blood in the extremities due to increased core body temperature.
heat stroke
a life-threatening elevation of core body temperature associated with shock and a deteriorating level of responsiveness.
humidity
the amount of water vapor in the air.
hyperthermia
elevated core body temperature.
hyponatremia
dilution of the sodium level in the blood.