KINE 433- Exam 3 Study Guide
Questions and All Actual Answers
(2025-2026) Updated.
What is the regulation of body temperature around a physiological set point? - Answer
thermoregulation
--> 98.6 degrees Fahrenheit
What term describes the short-term adaptation to environmental stressor (9-14 days)? - Answer
acclimation
What term describes the long-term adaptation to environmental stressor (months/years)? -
Answer acclimatization
What is the heat transfer from one solid material to another through direct molecular contact
(negligible)? - Answer Conduction (K)
What is the heat transfer by movement of gas or liquid across a surface; commonly air or water
across body? - Answer Convection (C)
What is heat lost in form of infrared rays? - Answer radiation (R)
What is heat lost via phase change from liquid to gas? - Answer Evaporation (E)
What is the primary way heat is lost during exercise? - Answer Evaporation
--> ~80%
The primary source of heat loss during exercise in the heat is
a. conduction
b. convection
c. evaporation
,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 - Answer 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 - Answer 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 - Answer 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 - Answer 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
, As windchill becomes greater, ___________________.
a. convective heat loss increases
b. conductive heat loss increases
c. radiative heat loss increases
d. evaporative heat loss increases - Answer convective heat loss increases
During exercise in the cold, the primary metabolic substrate is
a. free fatty acids due to increased circulating catecholamines
b. free fatty acids in spite of increased circulating catecholamines
c. glucose/glycogen due to increased circulating catecholamines
d. glucose/glycogen in spite of increased circulating catecholamines - Answer
glucose/glycogen in spite of increased circulating catecholamines
If muscle glycogen and blood glucose both start to run low during exercise in the cold, what is
the consequence?
a. frostbite
b. suppression of shivering
c. enhanced skin vasoconstriction
d. rewarming of extremities - Answer suppression of shivering
The ability of the hypothalamus to regulate body temperature is compromised when core
temperature falls below
a. 37 °C (98.6 °F)
b. 34.5 °C (94.1 °F)
c. 25 °C (77 °F)
d. The hypothalamus is not compromised by cold temperatures. - Answer 34.5 °C (94.1 °F)
Why is water vapor pressure lower at altitude?
Questions and All Actual Answers
(2025-2026) Updated.
What is the regulation of body temperature around a physiological set point? - Answer
thermoregulation
--> 98.6 degrees Fahrenheit
What term describes the short-term adaptation to environmental stressor (9-14 days)? - Answer
acclimation
What term describes the long-term adaptation to environmental stressor (months/years)? -
Answer acclimatization
What is the heat transfer from one solid material to another through direct molecular contact
(negligible)? - Answer Conduction (K)
What is the heat transfer by movement of gas or liquid across a surface; commonly air or water
across body? - Answer Convection (C)
What is heat lost in form of infrared rays? - Answer radiation (R)
What is heat lost via phase change from liquid to gas? - Answer Evaporation (E)
What is the primary way heat is lost during exercise? - Answer Evaporation
--> ~80%
The primary source of heat loss during exercise in the heat is
a. conduction
b. convection
c. evaporation
,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 - Answer 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 - Answer 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 - Answer 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 - Answer 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
, As windchill becomes greater, ___________________.
a. convective heat loss increases
b. conductive heat loss increases
c. radiative heat loss increases
d. evaporative heat loss increases - Answer convective heat loss increases
During exercise in the cold, the primary metabolic substrate is
a. free fatty acids due to increased circulating catecholamines
b. free fatty acids in spite of increased circulating catecholamines
c. glucose/glycogen due to increased circulating catecholamines
d. glucose/glycogen in spite of increased circulating catecholamines - Answer
glucose/glycogen in spite of increased circulating catecholamines
If muscle glycogen and blood glucose both start to run low during exercise in the cold, what is
the consequence?
a. frostbite
b. suppression of shivering
c. enhanced skin vasoconstriction
d. rewarming of extremities - Answer suppression of shivering
The ability of the hypothalamus to regulate body temperature is compromised when core
temperature falls below
a. 37 °C (98.6 °F)
b. 34.5 °C (94.1 °F)
c. 25 °C (77 °F)
d. The hypothalamus is not compromised by cold temperatures. - Answer 34.5 °C (94.1 °F)
Why is water vapor pressure lower at altitude?
