EXS thermoregulation, fluid balance, and rehydration Flashcards
1
Q
Name the heat center
A
hypothalamus (thermostat)
2
Q
Can your body tolerate a 10 degree C drop or a 5 degree C increase?
A
Yes
3
Q
How does the body absorbs heat by radiation and the environment. T OR F
A
True
4
Q
The body loses heat by radiation conduction convection, and evaporation. T OR F
A
True
5
Q
What is the most important way to lose heat? Why?
A
Evaporation
6
Q
Name some factors that contribute to heat gain
A
environment, BMR, muscular activity, temp of food, hormones
7
Q
Cutaneous and muscle blood flow increase during exs in the heat?
A
Yes
8
Q
how much does the metabolic rate increase in fit men and woman?
A
20 - 25% every 5-7 mins
9
Q
why you shiver how much does your body temp increase?
A
3-5 fold
10
Q
+ or - 1 0f optimal temp 37 degrees C. what will happen?
A
hypothalamus will adjust
