KINE 433-Exam3/Final questions with verified
answers
Cardiovascular adjustments to resistance training Ans✓✓ -none with strength or
resistance training alone
Goal of heat balance is to maintain Ans✓✓ -S=0 (S=storage)
Evaporation accounts for what percent of heat loss in a hot environment? Ans✓✓
-90
Body temperature goal range Ans✓✓ -36-38 degrees celcius
Body temperature for heat stroke Ans✓✓ -41 degrees celcius
Death can occur at what temperature? Ans✓✓ -42 degrees celcius
Thermoreceptors are located in Ans✓✓ -skin, muscle, spine, and brain
Thermoreceptors provide feedback to the Ans✓✓ -hypothalamus
When core temp increases, the hypothalamus activates the Ans✓✓ -sympathetic
nervous system
Sympathetic nerves in skin release _____ in response to a rising core temp, causing
_____ Ans✓✓ -ACh, dilation and activating sweat glands
, What 2 mechanisms aid heat loss? Ans✓✓ --increased skin blood flow
-increased sweat production
Sweat glands are activated by Ans✓✓ -sympathetic nervous system
Sweat initially has an electrolyte balance similar to Ans✓✓ -plasma
What causes cramping? Ans✓✓ -decreases in H2O and Na+, NOT K+
2stages of sweating Ans✓✓ --number of active sweat glands increase
-output of sweat per gland increases
Which sweat glands are activated first? Ans✓✓ -in the trunk
Clinical dehydration Ans✓✓ -3% BW loss
During passive heating Ans✓✓ --skin blood flow increases and muscle blood
flow decreases
CO increases in response to Ans✓✓ -heat
What percentage of CO is distributed to skin during passive heating? Ans✓✓ -60
What happens to muscle blood flow during passive heating Ans✓✓ -it decreases
answers
Cardiovascular adjustments to resistance training Ans✓✓ -none with strength or
resistance training alone
Goal of heat balance is to maintain Ans✓✓ -S=0 (S=storage)
Evaporation accounts for what percent of heat loss in a hot environment? Ans✓✓
-90
Body temperature goal range Ans✓✓ -36-38 degrees celcius
Body temperature for heat stroke Ans✓✓ -41 degrees celcius
Death can occur at what temperature? Ans✓✓ -42 degrees celcius
Thermoreceptors are located in Ans✓✓ -skin, muscle, spine, and brain
Thermoreceptors provide feedback to the Ans✓✓ -hypothalamus
When core temp increases, the hypothalamus activates the Ans✓✓ -sympathetic
nervous system
Sympathetic nerves in skin release _____ in response to a rising core temp, causing
_____ Ans✓✓ -ACh, dilation and activating sweat glands
, What 2 mechanisms aid heat loss? Ans✓✓ --increased skin blood flow
-increased sweat production
Sweat glands are activated by Ans✓✓ -sympathetic nervous system
Sweat initially has an electrolyte balance similar to Ans✓✓ -plasma
What causes cramping? Ans✓✓ -decreases in H2O and Na+, NOT K+
2stages of sweating Ans✓✓ --number of active sweat glands increase
-output of sweat per gland increases
Which sweat glands are activated first? Ans✓✓ -in the trunk
Clinical dehydration Ans✓✓ -3% BW loss
During passive heating Ans✓✓ --skin blood flow increases and muscle blood
flow decreases
CO increases in response to Ans✓✓ -heat
What percentage of CO is distributed to skin during passive heating? Ans✓✓ -60
What happens to muscle blood flow during passive heating Ans✓✓ -it decreases
