KINE 433- Exam 3 Questions with Verified Answers
What is the regulation of body temperature around a physiological set point?
Ans✓✓ -thermoregulation
--> 98.6 degrees Fahrenheit
What term describes the short-term adaptation to environmental stressor (9-14
days)? Ans✓✓ -acclimation
What term describes the long-term adaptation to environmental stressor
(months/years)? Ans✓✓ -acclimatization
What is the heat transfer from one solid material to another through direct
molecular contact (negligible)? Ans✓✓ -Conduction (K)
What is the heat transfer by movement of gas or liquid across a surface; commonly
air or water across body? Ans✓✓ -Convection (C)
What is heat lost in form of infrared rays? Ans✓✓ -radiation (R)
What is heat lost via phase change from liquid to gas? Ans✓✓ -Evaporation (E)
What is the primary way heat is lost during exercise? Ans✓✓ -Evaporation
--> ~80%
The primary source of heat loss during exercise in the heat is
,a. conduction
b. convection
c. evaporation
d. radiation Ans✓✓ -Evaporation
When an athlete is exercising in hot and humid weather
a. core temperature will increase faster
b. evaporation will be enhanced
c. convection will be the only usable method of heat transfer
d. clothing will help sweat evaporate better Ans✓✓ -core temperature will
increase faster
The critical temperature theory suggests that
a. sweating does not begin until a given core temperature is reached
b. hypothermia symptoms do not appear until a given core temperature is reached
c. skin vasodilation does not occur until a given core temperature is reached
d. exercise is shut down when a given core temperature is reached Ans✓✓ -
exercise is shut down when a given core temperature is reached
Endurance training causes sweat glands to
a. decrease electrolyte content of sweat secretion
b. delay onset of sweat secretion
c. decrease volume of sweat secretion
, d. increase Na+ excretion through sweat secretion Ans✓✓ -decrease electrolyte
content of sweat secretion
_______________ is most effectively treated using whole-body immersion in an
ice bath.
a. Heat exhaustion
b. Heat illness
c. Heat cramps
d. Heatstroke Ans✓✓ -Heatstroke
Acclimation is best achieved through
a. exercising at low-to-moderate intensity in the heat for 1 h/day for 9 to 14 days
b. using metabolic heat from exercising as the primary stimulus for acclimation
c. exercising at moderate intensity in the heat for 3 h/day, 2 times/week
d. passively resting in a hot, humid environment Ans✓✓ -exercising at low-to-
moderate intensity in the heat for 1 h/day for 9 to 14 days
As windchill becomes greater, ___________________.
a. convective heat loss increases
b. conductive heat loss increases
c. radiative heat loss increases
d. evaporative heat loss increases Ans✓✓ -convective heat loss increases
What is the regulation of body temperature around a physiological set point?
Ans✓✓ -thermoregulation
--> 98.6 degrees Fahrenheit
What term describes the short-term adaptation to environmental stressor (9-14
days)? Ans✓✓ -acclimation
What term describes the long-term adaptation to environmental stressor
(months/years)? Ans✓✓ -acclimatization
What is the heat transfer from one solid material to another through direct
molecular contact (negligible)? Ans✓✓ -Conduction (K)
What is the heat transfer by movement of gas or liquid across a surface; commonly
air or water across body? Ans✓✓ -Convection (C)
What is heat lost in form of infrared rays? Ans✓✓ -radiation (R)
What is heat lost via phase change from liquid to gas? Ans✓✓ -Evaporation (E)
What is the primary way heat is lost during exercise? Ans✓✓ -Evaporation
--> ~80%
The primary source of heat loss during exercise in the heat is
,a. conduction
b. convection
c. evaporation
d. radiation Ans✓✓ -Evaporation
When an athlete is exercising in hot and humid weather
a. core temperature will increase faster
b. evaporation will be enhanced
c. convection will be the only usable method of heat transfer
d. clothing will help sweat evaporate better Ans✓✓ -core temperature will
increase faster
The critical temperature theory suggests that
a. sweating does not begin until a given core temperature is reached
b. hypothermia symptoms do not appear until a given core temperature is reached
c. skin vasodilation does not occur until a given core temperature is reached
d. exercise is shut down when a given core temperature is reached Ans✓✓ -
exercise is shut down when a given core temperature is reached
Endurance training causes sweat glands to
a. decrease electrolyte content of sweat secretion
b. delay onset of sweat secretion
c. decrease volume of sweat secretion
, d. increase Na+ excretion through sweat secretion Ans✓✓ -decrease electrolyte
content of sweat secretion
_______________ is most effectively treated using whole-body immersion in an
ice bath.
a. Heat exhaustion
b. Heat illness
c. Heat cramps
d. Heatstroke Ans✓✓ -Heatstroke
Acclimation is best achieved through
a. exercising at low-to-moderate intensity in the heat for 1 h/day for 9 to 14 days
b. using metabolic heat from exercising as the primary stimulus for acclimation
c. exercising at moderate intensity in the heat for 3 h/day, 2 times/week
d. passively resting in a hot, humid environment Ans✓✓ -exercising at low-to-
moderate intensity in the heat for 1 h/day for 9 to 14 days
As windchill becomes greater, ___________________.
a. convective heat loss increases
b. conductive heat loss increases
c. radiative heat loss increases
d. evaporative heat loss increases Ans✓✓ -convective heat loss increases
