The Pneumotaxic Center Controls Which of the Following

question 31

Multiple Choice

The pneumotaxic center controls which of the following?

• A)response to changes in blood pH and PCO₂
• B)rhythm of the full breathing cycle
• C)when inspiration switches off (the inspiratory time)
• D)when inspiration switches on (the expiratory time)

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Definitions:

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.

Ribulose Bisphosphate (RuBP)

A five-carbon sugar involved in the carbon fixation process of photosynthesis, acting as a substrate for the enzyme RuBisCO.

Rubisco

An enzyme involved in the first major step of carbon fixation in the process of photosynthesis, catalyzing the reaction between carbon dioxide and ribulose bisphosphate.