review Qs quiz 2 Flashcards
1
Q
Where is the respiratory center of the brain located
A
medulla
2
Q
What receptors protect against a decrease in Pa02
A
peripheral chemoreceptors
3
Q
What is the most important stimulus for breathing in a healthy person?
A
CO2 pressure
4
Q
During steady state, LA does not form. Explain.
A
there is sufficient O2
5
Q
At what point in V02max does LA form
A
around 55% VO2 max
6
Q
What buffers the increase of LA in the blood due to an increase in anaerobic
metabolism?
A
NaHCO2
7
Q
What increases in response to the accumulation of LA?
A
VE and VCO2
8
Q
Explain why ventilation does not limit aerobic performance except in the elite athlete
A
here is a greater capacity to increase ventilation (35 fold) during aerobic exercise than
Q(6 fold)
