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EXPH 387 EXAM 3- Chapter 19 questions and answers 2025 latest update
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EXPH 387 EXAM 3- Chapter 19 questions and answers 2025 latest update
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EXPH 387 EXAM 3- Chapter 19questions and answers 2025 latest
update.
temperature represents the mean _____ energy of a substance's
atoms as they move - answer kinetic
temperature: - answer potential for heat exchange between
substances or objects
humans can tolerate a decline in deep body temperature of _____ but
only an increase of _____ - answer -10°C
5°C
core temperature: - answer dynamic equilibrium between factors
that add/subtract body heat
core temperatures will RISE if ____ exceeds _____ - answer - heat
gain
- heat loss
with what type of exercise does core temperature typically RISE? -
answer prolonged and intense exercise
core temperature will FALL when ____ exceeds ____ - answer - heat
loss
- heat gain
core temperature typically _____ in cold weather and ______ in warm
weather - answer - decreases
, - increases
increased ____ increases heat production - answer metabolic
rate/energy metabolism
energy metabolism= - answer heat production
what effect does shivering have on whole body metabolism? -
answer increases whole body metabolism by 3-5 fold
what effect does exercise metabolism have on heat production? -
answer - can increase 20-25 times resting levels
- can result in an increase of 1°C every 5-7 mins
4 factors of heat conservation: - answer - cold stress
- shunt blood from cooler periphery to warmer core
- shivering
- increase hormone to elevate resting metabolism
3 factors of heat loss: - answer - heat stress
- diverts warm blood from core to periphery
- sweating and evaporation
sweat rate can increase to ____ L/hour - answer 2 L/hour
shivering can produce an O2 consumption of approximately ______
mL/min - answer 1200 mL/min
____ system "fine tunes" temperature regulation - answer
circulatory
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