When you hold your breath, which of the following blood gas chang...

Question

When you hold your breath, which of the following blood gas changes first leads to the urge to breathe?
a. rising O2
b. falling O2
c. rising CO2
c, falling CO2

Accepted Answer

Hello everyone. Let's look at our next problem. A sudden rise in carbon dioxide in the surrounding atmosphere will cause our choices are rapid breathing. Slow breathing. No change in breathing or none of the above. If we imagine a sudden rise in carbon dioxide, the body will try and compensate for that by trying to get more oxygen so that's going to cause a response of rapid breathing. Which is choice A So it's not gonna cause slow breathing. The body's trying to bring in more oxygen. So not choice be um it will change the breathing. So not choice. C. And since A is correct, we know it's not d none of the above. Um Along with rapid breathing. If there's too much CO two in the environment it can cause confusion um cause sleepiness or if it gets bad enough, a loss of consciousness and respiratory failure. Thanks for watching this video. We'll see you next time.

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