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Questions and Answers
Which gas is wanted and taken into the body for a cell's function?
Which gas is wanted and taken into the body for a cell's function?
- Carbon dioxide
- Hydrogen
- Nitrogen
- Oxygen (correct)
What is the metabolic waste product that needs to be eliminated from the body?
What is the metabolic waste product that needs to be eliminated from the body?
- Carbon dioxide (correct)
- Hydrogen
- Oxygen
- Nitrogen
How are oxygen and carbon dioxide gas concentrations expressed in the blood?
How are oxygen and carbon dioxide gas concentrations expressed in the blood?
- As densities
- As volumes
- As temperatures
- As pressures (correct)
What happens to the pH of the blood when the PCO2 level increases?
What happens to the pH of the blood when the PCO2 level increases?
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What controls ventilation in the body?
What controls ventilation in the body?
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Which region of the body contains chemoreceptors that are sensitive to changes in O2, CO2, and hydrogen ion concentrations in the blood?
Which region of the body contains chemoreceptors that are sensitive to changes in O2, CO2, and hydrogen ion concentrations in the blood?
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Where are the peripheral chemoreceptors located?
Where are the peripheral chemoreceptors located?
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What sends signals to respiratory muscles to either contract or relax?
What sends signals to respiratory muscles to either contract or relax?
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What happens to the rate of respiration when there is an increase in plasma PCO2?
What happens to the rate of respiration when there is an increase in plasma PCO2?
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What happens to the PCO2 level in the blood when the rate of respiration increases?
What happens to the PCO2 level in the blood when the rate of respiration increases?
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