Question

You start to hyperventilate before giving a presentation in your speech class. This causes your CO2 levels to ______ and your blood pH to ______.

Answer 1

This causes your CO2 levels to decrease and your blood pH to increase.

What is hyperventilation?

Hyperventilation is rapid breathing in of oxygen and breathing out of carbondioxide.

The various causes of hyperventilation include the following:

• exercise,

• nausea,

• anxiety,

• panic, and

• fear.

When a person hyperventilates they exhale more carbon dioxide than normal. As a result the carbon dioxide concentration in the blood decreases.

While the corresponding drop in H3O+ concentration causes an increase in pH.

Therefore, when you start to hyperventilate before giving a presentation, this will cause your CO2 levels to decrease and your blood pH to increase.

Learn more about hyperventilation here:

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